Huawei SmartLi 2.0 User manual

SmartLi 2.0
User Manual
Issue 13
Date 2023-03-26
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

Copyright © Huawei Digital Power Technologies Co., Ltd. 2023. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Digital Power Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are the property of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei
Digital Power Technologies Co., Ltd. and the customer. All or part of the products, services and features
described in this document may not be within the purchase scope or the usage scope. Unless otherwise
specied in the contract, all statements, information, and recommendations in this document are
provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every eort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Digital Power Technologies Co., Ltd.
Address: Huawei Digital Power Antuoshan Headquarters
Futian, Shenzhen 518043
People's Republic of China
Website: https://digitalpower.huawei.com/
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. i

About This Document
Purpose
This document describes the SmartLi 2.0 intelligent lithium battery cabinet
(lithium battery cabinet for short) in terms of its overview, transportation, storage,
installation, cable connection, power-on commissioning, and maintenance, helping
readers understand how to use and maintain the product.
Figures used in this document are for reference only.
Intended Audience
This document is intended for:
● Technical support engineers
● Hardware installation engineers
● Commissioning engineers
● Maintenance engineers
Symbol Conventions
The symbols that may be found in this document are dened as follows.
Symbol Description
Indicates a hazard with a high level of risk which, if not
avoided, will result in death or serious injury.
Indicates a hazard with a medium level of risk which, if
not avoided, could result in death or serious injury.
Indicates a hazard with a low level of risk which, if not
avoided, could result in minor or moderate injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in equipment damage, data loss,
performance deterioration, or unanticipated results.
NOTICE is used to address practices not related to
personal injury.
SmartLi 2.0
User Manual About This Document
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. ii

Symbol Description
Supplements the important information in the main text.
NOTE is used to address information not related to
personal injury, equipment damage, and environment
deterioration.
Change History
Issue Date Description
13 2023-03-26 ● Optimized the description about battery
room re safety and added site
selection requirements in 1 Safety
Information.
● Updated 2.4.3 BCU.
● Added the overvoltage category and
pollution degree in 3 Technical
Specications.
● Updated the parameters related to
overcurrent protection in 3 Technical
Specications.
● Updated 4.4 Battery Module Storage
Duration and Recharge Requirements.
● Added precautions in 4.5 Battery
Module Recharge.
● Added precautions in 5.7.6 Installing
EPO Cables.
● Updated the description about the
initial startup in 6.2 Connecting the
Battery Supply.
12 2022-11-15 Updated the safety information.
11 2022-07-31 Added battery room re safety information
and FAQs.
SmartLi 2.0
User Manual About This Document
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. iii

Issue Date Description
10 2022-04-30 ● Integrated the "Important Safety
Instructions" section into 1 Safety
Information and combined the
repeated information.
● Changed "Overview" to "Product
Overview" and adjusted the sequence
of sections based on task scenarios.
● Integrated the component and cabinet
parameters into 3.2 Component
Technical Specications.
● Move 6.4 Recharge Requirements for
Batteries with Low SOC to 6 Power-
On and Commissioning.
● Moved the "User Interface" section to
the monitoring module user manual.
● Split the "Operations" section into 6
Power-On and Commissioning and 7
Maintenance.
● Deleted the "Troubleshooting" and
"Parts Replacement" sections. The
relevant information needs to be
obtained from technical support
engineers.
09 2022-01-30 ● Added the "Important Safety
Instructions" section.
●Unied the naming of re extinguisher
cylinder throughout the document.
● Updated the maximum recharge
interval corresponding to the SOC upon
power-o in 6.4 Recharge
Requirements for Batteries with Low
SOC.
SmartLi 2.0
User Manual About This Document
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. iv

Issue Date Description
08 2021-08-20 ● Updated the maximum number of
SmartLi cabinets that can be connected
in parallel to 15.
● Deleted pooling-related parameters and
descriptions because the conguration
is not supported.
● Added the parameter description for the
"Module quantity mismatch 4" alarm.
● Updated the description about checking
the pressure gauge in 7.1 Routine
Maintenance.
● Added the description about the end
pressure gauge in 5.5.1 Installing a
Fire Extinguisher Cylinder and 5.6.3
Installing a Fire Extinguisher Cylinder.
07 2021-03-22 ● Added the layout diagrams and
technical specications for the 7+7 and
7+0 scenarios.
● Updated the extinguishant lling
pressure requirements in 5.5.1
Installing a Fire Extinguisher Cylinder
and 5.6.3 Installing a Fire Extinguisher
Cylinder.
06 2021-01-10 Added 4 Transportation and Storage
Requirements.
05 2020-11-20 Deleted the "(Optional) Combiner
Cabinet" section because the conguration
is not supported.
04 2020-09-28 Updated 1 Safety Information.
03 2020-08-07 ● Changed SmartLi-80Ah in the document
name to SmartLi 2.0.
● Added the "(Optional) Combiner
Cabinet" section.
02 2020-05-17 ● Changed "battery management module
(BMU)" to "battery control unit (BCU)"
in the document.
● Added the description about protection
function parameters in in 3 Technical
Specications.
01 2019-11-29 This issue is the rst ocial release.
SmartLi 2.0
User Manual About This Document
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. v

Contents
About This Document................................................................................................................ ii
1 Safety Information.................................................................................................................. 1
1.1 Personal Safety.........................................................................................................................................................................2
1.2 Battery Safety........................................................................................................................................................................... 4
1.3 Electrical Safety..................................................................................................................................................................... 11
1.4 Environmental Requirements........................................................................................................................................... 15
1.5 Mechanical Safety.................................................................................................................................................................17
2 Product Overview.................................................................................................................. 22
2.1 SmartLi Model Number Description.............................................................................................................................. 22
2.2 SmartLi Cabinet Description............................................................................................................................................. 23
2.3 Product Congurations....................................................................................................................................................... 24
2.4 Component Description...................................................................................................................................................... 27
2.4.1 MDU....................................................................................................................................................................................... 27
2.4.2 Monitoring Interface Unit...............................................................................................................................................28
2.4.3 BCU......................................................................................................................................................................................... 31
2.4.4 Fire Detection and Extinguishing Equipment.......................................................................................................... 33
2.4.5 Battery Module...................................................................................................................................................................34
2.4.6 Lithium Battery Side Cabinet.........................................................................................................................................34
3 Technical Specications....................................................................................................... 36
3.1 SmartLi Technical Specications...................................................................................................................................... 36
3.2 Component Technical Specications.............................................................................................................................. 38
4 Transportation and Storage Requirements.....................................................................41
4.1 General Requirements......................................................................................................................................................... 41
4.2 Battery Module Transportation Requirements........................................................................................................... 42
4.3 Battery Module Storage Requirements......................................................................................................................... 44
4.4 Battery Module Storage Duration and Recharge Requirements.......................................................................... 45
4.5 Battery Module Recharge.................................................................................................................................................. 46
5 Installation and Cable Connection....................................................................................51
5.1 Installation Clearances........................................................................................................................................................ 51
5.2 Installation Preparations.................................................................................................................................................... 52
5.2.1 Tools and Instruments..................................................................................................................................................... 52
SmartLi 2.0
User Manual Contents
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. vi

5.2.2 Cables.................................................................................................................................................................................... 57
5.3 Transportation, Unpacking, and Checking................................................................................................................... 58
5.4 Installation Process...............................................................................................................................................................61
5.5 Installing a Fire Extinguisher Cylinder and Cabinets (Without a Side Cabinet)..............................................61
5.5.1 Installing a Fire Extinguisher Cylinder........................................................................................................................61
5.5.2 Installing a Cabinet........................................................................................................................................................... 65
5.5.3 Combining Cabinets..........................................................................................................................................................68
5.6 Installing a Fire Extinguisher Cylinder and Cabinets (With a Side Cabinet).................................................... 69
5.6.1 Removing a Fire Extinguisher Cylinder from a Lithium Battery Cabinet....................................................... 69
5.6.2 Installing and Combining Cabinets............................................................................................................................. 73
5.6.3 Installing a Fire Extinguisher Cylinder........................................................................................................................76
5.7 Installing Cables.................................................................................................................................................................... 82
5.7.1 Cabinet Cabling Diagrams..............................................................................................................................................82
5.7.2 Cable Routing Requirements......................................................................................................................................... 83
5.7.3 Installing a Cabinet Ground Cable.............................................................................................................................. 84
5.7.4 Installing DC Power Cables............................................................................................................................................ 85
5.7.4.1 Single-Cabinet Scenario............................................................................................................................................... 85
5.7.4.2 Multi-Cabinet Scenario................................................................................................................................................ 87
5.7.5 Installing Communications Cables.............................................................................................................................. 89
5.7.6 Installing EPO Cables....................................................................................................................................................... 94
5.8 Installing Battery Modules.................................................................................................................................................95
5.9 Verifying the Installation................................................................................................................................................. 104
5.10 Sealing a Cabinet............................................................................................................................................................. 105
6 Power-On and Commissioning.........................................................................................107
6.1 Checking Before Power-On............................................................................................................................................. 107
6.2 Connecting the Battery Supply...................................................................................................................................... 107
6.3 Disconnecting the Battery Supply.................................................................................................................................109
6.4 Recharge Requirements for Batteries with Low SOC.............................................................................................110
7 Maintenance.........................................................................................................................112
7.1 Routine Maintenance........................................................................................................................................................ 113
7.2 Testing Batteries..................................................................................................................................................................117
7.2.1 Shallow Discharge Test................................................................................................................................................. 118
7.2.2 Capacity Test..................................................................................................................................................................... 119
7.3 Viewing Test Data.............................................................................................................................................................. 119
8 FAQ......................................................................................................................................... 120
8.1 Are There Storage Period and Recharge Requirements for Battery Modules?............................................. 120
8.2 Are There Restrictions on the UPS and Software Connected to the SmartLi?.............................................. 120
8.3 Can Alarms Generated by the SmartLi Be Reported to the UPS?..................................................................... 120
8.4 What Are Conditions for Switching On a SmartLi Circuit Breaker?.................................................................. 120
8.5 How Do I Conduct Shallow Discharge and Capacity Tests?................................................................................ 121
8.6 Why Does the SmartLi Generate a Module Alarm "Version Incompatible" After Being Powered On
Onsite?.......................................................................................................................................................................................... 121
SmartLi 2.0
User Manual Contents
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. vii

8.7 How Do I Connect a Communications Cable Between the SmartLi and the UPS?.....................................121
8.8 How Do I Power O the SmartLi in Emergency?....................................................................................................121
8.9 How Do I Restore the SmartLi After Powering It in Emergency?...................................................................... 122
8.10 How Do I Export SmartLi Data?................................................................................................................................. 122
A Acronyms and Abbreviations........................................................................................... 123
SmartLi 2.0
User Manual Contents
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. viii

1 Safety Information
Statement
Before transporting, storing, installing, operating, using, and/or maintaining
the equipment, read this document, strictly follow the instructions provided
herein, and follow all the safety instructions on the equipment and in this
document. In this document, "equipment" refers to the products, software,
components, spare parts, and/or services related to this document; "the Company"
refers to the manufacturer (producer), seller, and/or service provider of the
equipment; "you" refers to the entity that transports, stores, installs, operates,
uses, and/or maintains the equipment.
The Danger, Warning, Caution, and Notice statements described in this
document do not cover all the safety precautions. You also need to comply with
relevant international, national, or regional standards and industry practices. The
Company shall not be liable for any consequences that may arise due to
violations of safety requirements or safety standards concerning the design,
production, and usage of the equipment.
The equipment should be used in an environment that meets the design
specications. Otherwise, the equipment may be faulty, malfunctioning, or
damaged, which is not covered under the warranty. The Company shall not be
liable for any property loss, personal injury, or even death caused thereby.
Comply with applicable laws, regulations, standards, and specications during
transportation, storage, installation, operation, use, and maintenance.
Do not perform reverse engineering, decompilation, disassembly, adaptation,
implantation, or other derivative operations on the equipment software. Do not
study the internal implementation logic of the equipment, obtain the source code
of the equipment software, violate intellectual property rights, or disclose any of
the performance test results of the equipment software.
The Company shall not be liable for any of the following circumstances or
their consequences:
● Equipment damage due to force majeure such as earthquakes, oods,
volcanic eruptions, debris ows, lightning strikes, res, wars, armed conicts,
typhoons, hurricanes, tornadoes, and extreme weather conditions
● Operation beyond the conditions specied in this document
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 1

● Installation or use in environments that do not comply with international,
national, or regional standards
● Installation or use by unqualied personnel
● Failure to follow the operation instructions and safety precautions on the
product and in the document
● Unauthorized modications to the product or software code or removal of the
product
● Damage caused during transportation by you or a third party authorized by
you
● Storage conditions that do not meet the requirements specied in the product
document
● Failure to comply with local laws, regulations, or related standards due to the
materials and tools prepared by you
● Damage caused by your or a third party's negligence, intentional breach,
gross negligence, or improper operations or damage not caused by the
Company
1.1 Personal Safety
D ANGER
Do not work with power on during installation. Do not install or remove a cable
with power on. Transient contact between the core of the cable and the conductor
will generate electric arcs or sparks, which may cause a re or personal injury.
D ANGER
Non-standard and improper operations on the energized equipment may cause
re or electric shocks, resulting in property damage, personal injury, or even death.
D ANGER
Before operations, remove conductive objects such as watches, bracelets, bangles,
rings, and necklaces to prevent electric shocks.
D ANGER
During operations, use dedicated insulated tools to prevent electric shocks or short
circuits. The insulation and voltage resistance must comply with local laws,
regulations, standards, and specications.
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 2

WARNING
During operations, wear personal protective equipment such as protective
clothing, insulated shoes, goggles, safety helmets, and insulated gloves.
Figure 1-1 Personal protective equipment
General Requirements
● Do not stop protective devices. Pay attention to the warnings, cautions, and
related precautionary measures in this document and on the equipment.
● If there is a likelihood of personal injury or equipment damage during
operations, immediately stop, report the case to the supervisor, and take
feasible protective measures.
● Do not power on the equipment before it is installed or conrmed by
professionals.
● Do not touch the power supply equipment directly or with conductors such as
damp objects. Before touching any conductor surface or terminal, measure
the voltage at the contact point to ensure that there is no risk of electric
shock.
● Do not touch a running fan with your hands, components, screws, tools, or
boards. Otherwise, personal injury or equipment damage may occur.
● In the case of a re, immediately leave the building or the equipment area
and activate the re alarm or call emergency services. Do not enter the
aected building or equipment area under any circumstances.
Personnel Requirements
● Only professionals and trained personnel are allowed to operate the
equipment.
– Professionals: personnel who are familiar with the working principles and
structure of the equipment, trained or experienced in equipment
operations and are clear of the sources and degree of various potential
hazards in equipment installation, operation, maintenance
– Trained personnel: personnel who are trained in technology and safety,
have required experience, are aware of possible hazards on themselves in
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 3

certain operations, and are able to take protective measures to minimize
the hazards on themselves and other people
● Personnel who plan to install or maintain the equipment must receive
adequate training, be able to correctly perform all operations, and understand
all necessary safety precautions and local relevant standards.
● Only qualied professionals or trained personnel are allowed to install,
operate, and maintain the equipment.
● Only qualied professionals are allowed to remove safety facilities and inspect
the equipment.
● Personnel who will perform special tasks such as electrical operations,
working at heights, and operations of special equipment should possess the
required local qualications.
● Only authorized professionals are allowed to replace the equipment or
components (including software).
● Only personnel who need to work on the equipment are allowed to access
the equipment.
1.2 Battery Safety
D ANGER
Do not connect the positive and negative poles of a battery or battery string
together. Otherwise, the battery may be short-circuited. Battery short circuits can
generate high instantaneous current and releases a large amount of energy, which
may cause battery leakage, smoke, ammable gas release, thermal runaway, re,
or explosion. To avoid battery short circuits, do not maintain batteries with power
on.
D ANGER
Do not expose batteries at high temperatures or around heat sources, such as
scorching sunlight, re sources, transformers, and heaters. Battery overheating
may cause leakage, smoke, ammable gas release, thermal runaway, re, or
explosion.
D ANGER
Protect batteries from mechanical vibration, falling, collision, punctures, and
strong impact. Otherwise, the batteries may be damaged or catch re.
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 4

D ANGER
To avoid leakage, smoke, ammable gas release, thermal runaway, re, or
explosion, do not disassemble, alter, or damage batteries, for example, insert
sundries into batteries, squeeze batteries, or immerse batteries in water or other
liquids.
D ANGER
There is a risk of re or explosion if the model of the battery in use or used for
replacement is incorrect. Use a battery of the model recommended by the
manufacturer.
D ANGER
Battery electrolyte is toxic and volatile. Do not get contact with leaked liquids or
inhale gases in the case of battery leakage or odor. In such cases, stay away from
the battery and contact professionals immediately. Professionals must wear safety
goggles, rubber gloves, gas masks, and protective clothing, power o the
equipment, remove the battery, and contact technical engineers.
D ANGER
A battery is an enclosed system and will not release any gases under normal
operations. If a battery is improperly treated, for example, burnt, punctured,
squeezed, struck by a lightning, overcharged, or subject to other adverse
conditions that may cause battery thermal runaway, the battery may be damaged
or an abnormal chemical reaction may occur inside the battery, resulting in
electrolyte leakage or production of gases such as CO and H2. To prevent re or
device corrosion, ensure that ammable gas is properly exhausted.
D ANGER
The gas generated by a burning battery may irritate your eyes, skin, and throat.
Take protective measures promptly.
WARNING
Install batteries in a dry area. Do not install them below areas prone to water
leakage, such as air conditioner vents, ventilation vents, feeder windows of the
equipment room, or water pipes. Ensure that no liquid enters the equipment to
prevent faults or short circuits.
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 5

WARNING
Before installing and commissioning batteries, prepare re extinguishing facilities,
such as re ghting sands and carbon dioxide re extinguishers, according to
construction standards and regulations. Before putting the battery room into
operation, ensure that it is equipped with a re extinguishing system that
complies with local laws and regulations, has been constructed and commissioned,
and can work in automatic and manual control modes.
WARNING
Before unpacking, storage, and transportation, ensure that the packing cases are
intact and correctly placed according to the labels on the packing cases. Do not
place a battery upside down or vertically, lay it on one side, or tilt it. Stack the
batteries according to the stacking requirements on the packing cases. Ensure that
the batteries do not fall or get damaged. Otherwise, they will need to be scrapped.
WARNING
After unpacking batteries, place them in the required direction. Do not place a
battery upside down or vertically, lay it on one side, tilt it, or stack it. Ensure that
the batteries do not fall or get damaged. Otherwise, they will need to be scrapped.
WARNING
Tighten the screws on copper bars or cables to the torque specied in this
document. Periodically conrm whether the screws are tightened, check for rust,
corrosion, or other foreign objects, and clean them up if any. Loose screw
connections will result in excessive voltage drops and batteries may catch re
when the current is high.
WARNING
After batteries are discharged, charge them in time to avoid damage due to
overdischarge.
Statement
The Company shall not be liable for any damage or other consequences to
the batteries it provides due to the following reasons:
● Batteries are damaged due to force majeure such as earthquakes, oods,
volcanic eruptions, debris ows, lightning strikes, res, wars, armed conicts,
typhoons, hurricanes, tornadoes, and extreme weather conditions.
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 6

● Batteries are damaged because the onsite equipment operating environment
or external power parameters do not meet the environment requirements for
normal operation, for example, the actual operating temperature of batteries
is too high or too low, or the power grid is unstable and experiences outages
frequently.
● Batteries are damaged, fall, leak, or crack due to improper operations or
incorrect connection.
● After being installed and connected to the system, the batteries are not
powered on in time due to your reasons, which causes damage to the
batteries due to overdischarge.
● Batteries are damaged because they are not accepted in time due to your
reasons.
● You set battery operating parameters incorrectly.
● You use batteries of dierent types together, causing acceleration of capacity
attenuation. For example, you use our batteries together with batteries of
other vendors or with batteries of dierent rated capacity.
● You maintain batteries improperly, causing frequent overdischarge; you
expand the load capacity without notifying us; or you have not fully charged
the batteries for a long time.
● You do not perform battery maintenance based on the operation guide, such
as failure to check battery terminals regularly.
● Batteries are damaged because you do not store them in accordance with
storage requirements (for example, in an environment that is damp or prone
to rain).
● Batteries are not charged as required during storage due to your reasons,
resulting in capacity loss or other irreversible damages to the batteries.
● Batteries are damaged due to your or a third party's reasons, for example,
relocating or reinstalling the batteries without complying with the Company's
requirements.
● You change the battery use scenarios without notifying the Company.
● You connect extra loads to the batteries.
● The battery storage period has exceeded the upper limit.
● The battery warranty period has expired.
General Requirements
NO TICE
This is a category C3 battery product for commercial and industrial application in
the second environment − installation restrictions or additional measures may be
needed to prevent disturbances.
● Use batteries within the specied temperature range. When the ambient
temperature of the batteries is lower than the allowed range, do not charge
the batteries to prevent internal short circuits caused during low-temperature
charging.
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 7

● Do not reversely connect the positive and negative battery terminals.
Otherwise, a battery alarm will be generated and batteries may be damaged.
● Before unpacking batteries, check whether the packaging is intact. Do not use
batteries with damaged packaging. If any damage is found, notify the carrier
and manufacturer immediately.
● In an indoor scenario, you are advised to power on a battery within seven
days after unpacking. If the battery cannot be powered on in time, place it in
a dry indoor environment without corrosive gas.
● Do not use a damaged battery (such as damage caused when a battery is
dropped, bumped, bulged, or dented on the enclosure), because the damage
may cause electrolyte leakage or ammable gas release. In the case of
electrolyte leakage or structural deformation, contact the installer or
professional O&M personnel immediately to remove or replace the battery.
Do not store the damaged battery near other devices or ammable materials
and keep it away from non-professionals.
● Before working on a battery, ensure that there is no irritant or scorched smell
around the battery.
● When installing batteries, do not place installation tools, metal parts, or
sundries on the batteries. After the installation is complete, clean up the
objects on the batteries and the surrounding area.
● If a battery is accidentally exposed to water, do not install it. Move it to a safe
place for isolation and contact technical engineers in a timely manner.
● Check whether the positive and negative battery terminals are grounded
unexpectedly. If so, disconnect the battery terminals from the ground.
● Do not perform welding or grinding work around batteries to prevent re
caused by electric sparks or arcs.
● If batteries are left unused for a long period of time, store and charge them
according to the battery requirements.
● Do not charge or discharge batteries by using a device that does not comply
with local laws and regulations.
● Keep the battery loop disconnected during installation and maintenance.
● Monitor damaged batteries during storage for signs of smoke, ame,
electrolyte leakage, or heat.
● If a battery is faulty, its surface temperature may be high. Do not touch the
battery to avoid scalds.
Short-Circuit Protection
● When installing and maintaining batteries, wrap the exposed cable terminals
on the batteries with insulation tape.
● Avoid foreign objects (such as conductive objects, screws, and liquids) from
entering a battery, as this may cause short circuits.
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 8

Leakage Handling
NO TICE
Electrolyte overow may damage the equipment. It will corrode metal parts and
boards, and ultimately damage the boards.
Electrolyte is corrosive and can cause irritation and chemical burns. Should you
come into direct contact with the battery electrolyte, do as follows:
● Inhalation: Evacuate from contaminated areas, get fresh air immediately, and
seek immediate medical attention.
● Eye contact: Immediately wash your eyes with water for at least 15 minutes,
do not rub your eyes, and seek immediate medical attention.
● Skin contact: Wash the aected areas immediately with soap and water and
seek immediate medical attention.
● Intake: Seek immediate medical attention.
Battery Room Fire Safety
The re safety of the battery room must comply with local laws and regulations
as well as applicable standards such as NFPA 855, NEN-1010, or GB 50016, and
meet the following requirements:
● An independent battery room should be deployed, and its wall should comply
with 2-hour re resistance rating. A maximum of eight lithium battery
cabinets can be deployed in a battery room.
● The battery room must not be located in environments where explosive gases
may exist or be released.
● The battery room must not be located near or below areas with water
leakage risks, such as water reservoirs, water landscapes, and water towers.
● The indoor layout of batteries should comply with local re protection laws
and regulations in aspects such as production scenarios and the safe distance
and layout of buildings and materials.
● Do not store combustible materials in the battery room. Keep such materials
at least 3 m away from the battery room.
● A battery room deployed outdoors should be at least 3.0 m away from the
following places: restricted areas, combustible warehouses, dangerous goods,
high-stacking warehouses, power infrastructure, public roads, and buildings.
● The battery room must be isolated from the adjacent area by re
compartmentation. Holes should be sealed by restop material. The re
resistance and thermal insulation capabilities should be the same as that of
the partition wall.
● The battery room should be equipped with re extinguishers lled with
halogenatedane, heptauoropropane, peruorohexanone, carbon dioxide, or
dry powder. Each re protection unit must be equipped with at least two re
extinguishers, which should be checked and replaced periodically.
● The battery room should be equipped with cabinet-level or room-level CO
sensors, smoke sensors, and temperature sensors. It is recommended that H2
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 9

sensors and open ame sensors be deployed. At least two sensors of each
type should be deployed, and the automatic re alarm system should be
enabled.
● The battery room should be equipped with independent air conditioners and
ventilation ducts, which must be isolated from those for other equipment
areas or oce areas. If air conditioners and ventilation ducts are shared, re
dampers must be installed for the battery room. The ventilation and exhaust
system must interact with the re alarm system and be able to handle
ammable gases with a concentration lower than 25% lower ammability
limit (LFL).
● The battery room should be equipped with a halogenatedane or
peruorohexanone gas re extinguishing system, which should interwork with
the re alarm system. After the extinguishing agent is released, the battery
room should meet the requirement on ame extinguishing concentration
within 10 min.
● The battery room should be equipped with re extinguishing facilities such as
a water spray (recommended) or water sprinkler system. Ensure that the
water stored can be supplied for more than 2 hours at the designed water
ow rate and the surrounding water source should be able to supply water
continuously for 12 hours to cope with the risk of reignition or re spreading
after a battery re is extinguished.
● The battery room should be equipped with pressure relief explosion-proof
devices or pressure relief channels (such as glass windows and magnetic lock
doors) with equivalent areas. According to the NFPA 68 or GB 50016
standard, if side pressure relief is adopted, a protective fence or wall should
be installed outside the pressure relief channels, and the fence or wall should
be at least 12 m away from the pressure relief wall.
● The battery room should be equipped with drainage facilities for the water
re extinguishing system.
● The battery room should provide coordinated control for re protection to
disconnect the power supply not intended for re protection in the area on
re and related areas. It is recommended that the power supply be
disconnected before the automatic sprinkler system is triggered.
● Fire alarms in the battery room should be automatically reported to the re
supervision center. If the battery room is unattended, an automatic re alarm
system should be deployed to report re alarm signals to the remote
management center.
Recycling
● Dispose of waste batteries in accordance with local laws and regulations. Do
not dispose of batteries as household waste. Improper disposal of batteries
may result in environmental pollution or an explosion.
● If a battery leaks or is damaged, contact technical support or a battery
recycling company for disposal.
● If batteries are out of service life, contact a battery recycling company for
disposal.
● Do not expose waste batteries to high temperatures or direct sunlight.
● Do not place waste batteries in environments with high humidity or corrosive
substances.
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 10

● Do not use faulty batteries. Contact a battery recycling company to scrap
them as soon as possible to avoid environmental pollution.
1.3 Electrical Safety
D ANGER
Before connecting cables, ensure that the equipment is intact. Otherwise, electric
shocks or res may occur.
D ANGER
Non-standard and improper operations may result in re or electric shocks.
D ANGER
Prevent foreign matter from entering the equipment during operations. Otherwise,
equipment damage, load power derating, power failure, or personal injury may
occur.
WARNING
For the equipment that needs to be grounded, install the ground cable rst when
installing the equipment and remove the ground cable last when removing the
equipment.
CA UTION
Do not route cables near the air intake or exhaust vents of the equipment.
CA UTION
Do not directly connect aluminum cables to prevent electrochemical corrosion of
copper and aluminum.
CA UTION
Stay away from the equipment when preparing cables to prevent cable scraps
from entering the equipment. Cable scraps may cause sparks and result in
personal injury and equipment damage.
SmartLi 2.0
User Manual 1 Safety Information
Issue 13 (2023-03-26) Copyright © Huawei Digital Power Technologies Co., Ltd. 11