Sungrow SBP4K8 User manual

SBP4K8-UEN-Ver11-201709 Version: 1.1
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User Manual
SBP4K8
Rechargeable lithium ion battery

I
About this manual
This manual is intended for the SBP4K8, the Sungrow 4.8 kWh battery. This manual
does not include all information about the system (i.e. the inverter), just the battery.
You can get the additional information about other devices at
en.sungrowpower.com or at the webpage of the device manufacturer.
Purpose
This manual provides information about the specification, use, installation, and
maintenance of the battery, which is used with the SH series hybrid inverter from
Sungrow Power Supply Co., Ltd.
Target group
This manual is targeted for the following audience:
Qualified personnel. Some tasks that are described in this manual, such as
installation, maintenance, assembly and dismantling, should be performed only
by qualified personnel, except for simple tasks such as visual inspection.
End-user. End-users can perform the aforementioned simple tasks, but not those
requiring technical expertise.
How to use this manual
Please read this manual and other related documents carefully before using this
product, particularly for technical work. Carefully store this manual in a location that
is easy to find and ensure that it is available at all times.
The contents of this manual and the use of pictures, logos, symbols, etc. are all
owned by Sungrow Power Supply Co. Ltd., with all rights reserved for copyright. No
part of the contents of this company may be reproduced without the prior written
permission of the company.
Symbols
Important instructions contained in this manual should be followed during
installation, operation and maintenance of the battery. Important notes use the
following symbols to highlight them.

II
Table 0-1 Safety and informative document symbols
Symbol Explanation
Indicates a hazard with a high level of risk that, if not avoided,
will result in death or serious injury.
Indicates a hazard with a medium level of risk that, if not
avoided, could result in death or serious injury.
Indicates a hazard with a low level of risk that, if not avoided,
could result in minor or moderate injury.
Indicates a situation that, if not avoided, could result in
equipment or property damage.
Indicates additional information, emphasized contents or tips
that may be helpful, e.g. to help you solve problems or save
time.
Abbreviation
BMS: Battery Management System
CAN: Controller Area Network
CC: Constant Current
CP: Constant Power
CV: Constant Voltage
DOD: Depth of Discharge
MCCV: Maximum Charge Current Value
MDCV: Maximum Discharge Current Value
RH: Relative Humidity
SOC: State of Charge
SOH: State of Health
Terms
C-Rate: The term for expressing
using current or power. For instance,
if the battery’s nominal capacity is 94
Ah, 1.0 C discharge means
discharging the battery with a
current of 94 A.

III
Contents
About this manual...........................................................................I
1Safety instructions...................................................................1
1.1Description of symbols on the battery ..........................................................1
1.2Notices for safe use ...............................................................................................2
1.3Emergency situations...........................................................................................3
1.3.1 Leaking batteries.......................................................................................................3 
1.3.2 Fire ..................................................................................................................................4
1.3.3 Wet batteries...............................................................................................................5
1.3.4 Damaged batteries...................................................................................................5
1.4Skills of qualified personnel...............................................................................6
2Product description .................................................................7
2.1Indicator and ports................................................................................................7
2.2Dimensions ..............................................................................................................8
2.3Nameplate................................................................................................................8
2.4Battery management system (BMS)............................................................. 10
3Transport and storage ...........................................................11
3.1Safety handling procedure.............................................................................. 11
3.2Transport................................................................................................................ 11
3.2.1 Transporting the battery ..................................................................................... 11
3.2.2 Inspecting for transport damage..................................................................... 12
3.3Storage ................................................................................................................... 12
4Installation process................................................................14
5Mechanical installation .........................................................15
5.1Delivery contents................................................................................................ 15
5.2Selecting the installation location................................................................ 16
5.3Installing the battery .........................................................................................16
5.3.1 Free-standing installation................................................................................... 17

IV
5.3.2 Wall-mountable installation............................................................................... 19
6Electrical connection .............................................................22
6.1Grounding............................................................................................................. 23
6.2Communication connection .......................................................................... 24
6.3DC connection..................................................................................................... 26
7Adding new batteries to an existing system ........................29
8Commissioning.......................................................................31
9Troubleshooting and maintenance ......................................32
9.1Troubleshooting ................................................................................................. 32
9.2Maintenance ........................................................................................................ 33
10Appendices.............................................................................34
10.1Technical data...................................................................................................... 34
10.2Active cell balancing ......................................................................................... 35
10.3Exclusion of liability........................................................................................... 36
10.4Contact information .......................................................................................... 37

1
1 Safety instructions
This section describes the product's safety information. Before proceeding with
unloading, unpacking, handling, installation and operation, read and fully
understand the following details. Always follow the guidelines.
1.1 Description of symbols on the battery
Please wear safety goggles when working on the battery system.
Electric shock hazard
Serviced by qualified personnel only. Out of reach from children.
Explosive materials
Corrosive substances.
Do not contact eyes, skin or clothes. If you are inadvertently
exposed, rinse with water and seek medical attention immediately.
Serious injury may occur due to the heavy weight. Be careful when
lifting; bending from the knees and using two people or a
mechanical lifting device.
No open flames
Do not expose to flame, incinerate, puncture, or impact
Do not dispose in trash.
Compacting a lithium ion battery is dangerous as it can explode.
Please recycle this lithium ion battery. Do not discard.

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1.2 Notices for safe use
Read all safety instructions carefully prior to any work and observe them at all times
when working on or with the battery. Failure to observe the precautions described
in this section can cause serious injury to persons or damage to property.
General information
Risk of explosion
Do not subject the battery to any strong force.
Do not mechanically damage the battery (pierce, deform, strip down, etc.)
Do not heat the battery or dispose of the battery in a fire.
Do not install the battery in potentially explosive environments.
Risk of fire
Do not expose the battery to temperatures in excess of 45°C.
Do not place the battery near a heat source, such as direct sunlight, a
fireplace, a thermally uninsulated wall exposed to sunlight, hot water, or a
heater.
Keep sources of ignition such as sparks, flames, and smoking materials
away from the battery.
Risk of electric shock
Do not disassemble the battery.
Do not handle a wet battery or use wet tools.
Do not soak the battery in water or expose it to moisture or liquids.
Keep the battery away from children and animals.
Wear suitable clothing, guards and gloves to prevent you from direct
contact with the DC voltage.
Use insulated tools during working with battery.
Set aside metal jewelry before working on the DC circuit.

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Battery handling information
Comply with local standards for use with the battery.
Any man-made damage will void the limited warranty for the battery. Handle the
battery with care to protect it from damage.
Use the battery only as intended and designed.
The battery must only be installed at a suitable location.
Ground the battery completely before use.
Do not use the battery if it is defective, appears cracked, broken or damaged, or
fails to operate.
Do not use the battery SBP4K8 together with other types of batteries.
Do not pull, drag or step on the battery.
Do not leave any foreign objects inside the battery.
Do not repair or modify the battery. It is not user serviceable.
Do not pull out any cables when the battery is powered on.
Do not damage the sheath of cables, wire harness and connectors.
While the battery is charged, used and stored, keep it away from materials that
are prone to electric discharge, including static discharge.
Keep the battery away from babies and children to avoid any accidents. If
younger children use the battery, their guardians should explain the proper
handling method and precaution before using.
Cover terminals with insulating tape before proper disposal.
1.3 Emergency situations
1.3.1 Leaking batteries
Abuse/misuse/damage of the battery may cause increasing of internal pressure in
the battery cells. It may result in the electrolyte venting. In the event that battery
electrolyte is released:
Do not enter the room under any circumstance.
Avoid contact with the leaking liquid or gas.

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If one is exposed to the leaking substance, follow the suggestions below to
minimize the chance of injury:
Inhalation: Evacuate the contaminated area, and seek medical aid.
Eye contact: Rinse eyes with large amounts of water using emergency eye wash
bottle for at least 15 minutes, and seek medical aid immediately.
Skin contact: Wash the affected area thoroughly with plenty of water for at least
15 minutes. If possible, remove or saturate contaminated clothing with water.
Seek medical aid if the patient is distressed.
Ingestion: Induce vomiting, and seek medical aid immediately.
Wipe out the contacted area with a sponge or cloth that is soaked in water until you
obtain medical aid. These materials can damage skin and eyes, causing blindness.
1.3.2 Fire
Fire may occur with the battery despite its careful design. Likewise, a fire near the
battery can cause it to catch fire.
Protective equipment
A respirator is not required during normal operations.
In the event of a fire, hazardous fumes including carbon monoxide, carbon dioxide,
and/or various hydrocarbons may be emitted. To comply with the Personal
Protective Equipment Directive (89/686/EEC), use a full-face self-contained
breathing apparatus (SCBA) with full protective gear during fire fighting.
Fire fighting
In the event of a fire, only qualified firefighters with appropriate
protective equipment are permitted to enter the room where the battery
is located.
Battery fires can take up to 24 hours to fully extinguish. Consider allowing
the system to burn. Smoke indicates that the battery is still burning.
Always note that there is a risk of the battery re-igniting.
Proceed as follows for firefighting.
1. Shut off any connected power system or electronics such as the battery,
battery isolator, PV DC isolator(s), AC isolator, solar supply main switch and
normal supply main switch.

SBP4K8 user manual 1 Safety
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2. Perform an adequate knock down on the fire before entering the incident’s
hot zone.
3. If the battery catches on fire, use an FM-200 or CO2 extinguisher to
extinguish fire.
4. If the battery becomes involved in fire or is bent, damaged or breached in
any way, or if suspect that the battery is heating, use large amounts of water
to cool the battery. Do not try to extinguish the fire with a small amount of
water. Always obtain an additional water supply.
5. If the fire is not from the battery and has not spread to it yet, use an ABC fire
extinguisher to extinguish the fire. Remove batteries and other ignition
sources from the scene of a fire
1.3.3 Wet batteries
If the battery is wet, do not let people access it, and then contact Sungrow or an
authorized service partner for technical support.
If a battery is submerged in water or flooded, first, switch off all circuit breakers in
the system to cut off the power supply to the battery. Wait until floodwaters subside
and do not approach near battery. If someone needs to go into the flooded water,
wear insulated full length rubber boots and gloves.
Do not use a flooded battery again.
1.3.4 Damaged batteries
The battery consists of lithium ion cells. These are considered dry cell batteries. If
damaged, only a small amount of battery fluid can leak.
A damaged battery can cause rapid heating of the battery cells. If you notice smoke
coming from the battery area, assume that the battery is burning and take
appropriate action as described in “Fire fighting”.
Damaged batteries are dangerous and must be handled with extreme caution. They
are not fit for use and may pose a danger to people or property. If a battery seems to
be damaged:
1. Pack it in its original container.
2. Store it in a separated room like the installation place.
3. Contact Sungrow at [phone] (Sungrow) in Australia or an
authorized service partner.
A damaged battery may release dangerous material and a flammable gas
mixture. Never try to repair the battery even if you are qualified electrician.

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1.4 Skills of qualified personnel
The battery must only be installed and commissioning by qualified personnel.
Qualified personnel must have the following skills:
training in the installation and commissioning of the solar PV hybrid systems, as
well as knowledge of how to deal with hazards;
knowledge of the manual and all further applicable documents; and
knowledge of local applicable standards and guidelines.

7
2 Product description
The battery SBP4K8 is designed for residential energy storage systems. The inbuilt
battery management system (BMS) monitors its operation and prevents the battery
from operating beyond the specified limitations.
The battery can be expanded to 3 units in parallel at most.
The battery can only be used with the Sungrow SH series hybrid inverters.
Otherwise it cannot work normally.
Any other or additional usage is not permitted except the intended use.
2.1 Indicator and ports
The following figure shows the ports and indicator of the battery.
Figure 2-1 Ports and indicator
Table 2-1 Designations on the battery
Item Designation Definition
1 LED indicator
Green, red or orange can be indicated, from which user can
identify the current state. For details, see Table 2-2.
2 +/- Inlet and outlet for the power cables.
3 Com. Inlet and outlet for the communication cable.

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Item Designation Definition
4
Grounding position.
The following table describes the definitions of the LED indicator.
Table 2-2 Descriptions of the LED indicator states
Color State Definition
Green
On Normal operation state.
Blinking slowly (1s on and 2s off) Standby state
Blinking quickly (0.2s on and 0.2s off) Starting state.
Red On Fault state.
Orange Blinking Upgrading state.
Off - The battery is not powered on.
2.2 Dimensions
Figure 2-2 shows the dimensions of the battery: 565 mm high by 510 mm wide by
190 mm deep.
Figure 2-2 Dimensions (unit: mm)
2.3 Nameplate
The nameplate attached on the side of the battery can be used to uniquely identify
the battery. The information on the nameplate is required for safe use and for device
identification with service matters.

SBP4K8 user manual 2 Product description
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Figure 2-3 Nameplate on the battery
* The image shown here is for reference only. The actual product that you receive
may be different.
Item Description
1 Sungrow logo and product type.
2 Technical data.
3 See Table 2-3.
4 Barcode, company name, website and origin.
Table 2-3 Icon descriptions
Icon Description
Do not dispose of the battery together with household wastes. For
Australian customers, please contact Sungrow or a battery recycler.
Read the user manual before any operation of the device.
TUV mark of conformity.
CE mark of conformity.

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2.4 Battery management system (BMS)
The battery consists of 14 long-lifetime Samsung SDI prismatic battery cells and a
battery management system (BMS). The BMS is used to ensure the safe and efficient
operation of the battery. This objective is achieved by the collaboration of the key
BMS functions, including:
BMS state control;
battery cell/pack monitoring (voltage, current and temperature);
battery status estimation (SOC and SOH);
battery charge/discharge control (MCCV and MDCV estimation);
active cell balancing (see Appendix 10.2 );
external communication (CAN 2.0 B communication with the SH series hybrid
inverter and other modules, see section 6.2 for details. The BMS uploads the
information to the SH series hybrid inverter through CAN communication.
End-users can require the relevant information of the battery through the
inverter LCD screen or the app.);
safety and multi-level protections at cell level and battery system level;
parallel operation control; and
local and remote easy firmware upgrade.

11
3 Transport and storage
3.1 Safety handling procedure
Quarantine
Packages that are crushed, punctured or torn open to reveal contents should not be
transported. Such packages should be isolated until the shipper has been consulted,
provided instructions and, if appropriate, arranged to have the product inspected
and repacked.
Spilled product
In the event that damage to packaging results in the release of cells or batteries, the
spilled products should be promptly collected and segregated and the shipper
should be contacted for instructions.
Environmental misusage
Do not leave the battery near a fire or allow it to be in a location that is in contact
or open to other heat sources, such as direct sunlight, hot water systems, heat
pumps, gas heaters and walls that are thermally uninsulated from the sun. This
also implies not to incinerate the battery or allow it to be in contact with any
flame.
Do not throw the battery into the fire.
Do not immerse, throw, or wet the battery in water/seawater or any other liquid.
3.2 Transport
3.2.1 Transporting the battery
Lithium ion batteries are hazardous goods. Therefore the following points must be
observed when transporting the battery:
Observe the general transport regulations based on the mode of transport as
well as all legal regulations.
Consult an external hazardous goods expert.

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The battery data relevant for transport is provided in the following:
hazardous goods class: 9;
UN number: UN3480 ‘lithium-ion batteries’; and
battery mass (including packaging): less than 55 kg.
3.2.2 Inspecting for transport damage
The battery is thoroughly tested and inspected before delivery. Although sturdy
packaging is used, damage may still occur during shipping. Unpack the packaging
immediately after transport and inspect the contents for transport damage.
1. Check whether there is visible damage to the packaging.
2. Check whether there is external damage to the product.
3. Check the completeness of delivery contents according to the packaging list
or as listed in section 5.1.
4. Check the information on the nameplate to get the serial number.
If damage (deformation, damage to the housing, or similar) is discovered, do not use
the battery under any circumstance. Make a descriptive notation on the delivery
receipt before signing. Contact Sungrow or a Sungrow representative or partner.
Keep the original packaging for future storage or transportation.
3.3 Storage
If you do not install the battery immediately, or if the battery is removed from
operation and needs to be stored for a long period, please choose an appropriate
location to store it. Instructions for storage are:
Do not stack more than four battery boxes.
The temperature must be in the range of -20°C to 50°C.
The humidity must be less than 85 % RH, non-condensing.
The battery box should be upright as shown in the following figure. Do not stack
upside down when storing the battery box.

SBP4K8 user manual 3 Transport and storage
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Figure 3-1 Correct storage
Figure 3-2 Wrong storage
When the battery is not connected to the SH series hybrid inverter, the battery
cannot be automatically charged. The battery will automatically discharge at a
minimum rate during storage. Capacity degradation will occur depending on
storage time. For this reason, observe the following points:
It is recommended that the battery is charged to approx. 40 % of the nominal
capacity (which is the state of charge upon delivery) when stored.
To minimize capacity degradation, the storage temperature should be controlled
at 25°C.
Do not store the battery for longer than 6 months.
Connect the battery to the SH series hybrid inverter in 6 months and commission
the system.
Damage/destruction of the battery is likely to occur due to deeply
discharging beyond the maximum DOD when in long-term storage.

14
4 Installation process
Install the battery according to the following flow chart. For a detailed reference, see
Table 4-1.
Figure 4-1 Installation flow chart
Table 4-1 Explanation for the flow chart
Order Explanation Reference
1 Unpacking and inspecting the delivery. 3.2.2 and 5.1
2 Reading the manual, especially the safety instructions. 1
3 Selecting an optimal installation location. 5.2
4 Free-standing installation or wall-mountable installation. 5.3.1 or 5.3.2
5 Grounding, communication, DC power connection and if
applicable, connection of multiple batteries. 6 and 7
6 Commissioning the whole system. 8 7
7 Troubleshooting. 9