Lithion HOMEGRID Stack'd Series User manual

Stack’d Series
Reference Manual
Rev 2.1
September 2022

1. Safety Precautions...........................................................................................................3
1.1. General warnings.............................................................................................................3
1.2. Charge and discharge warnings....................................................................................... 4
1.3. Transportation warnings..................................................................................................5
1.4. Disposal of lithium batteries ........................................................................................... 5
1.5. Before Connecting...........................................................................................................5
1.6. During Use ......................................................................................................................5
2. Introduction..................................................................................................................... 7
2.1. Lithium iron phosphate Battery....................................................................................... 7
2.2. Stack’d Series Features ...................................................................................................7
2.3. Specifications ..................................................................................................................9
2.4. Front Panel Display.......................................................................................................10
2.5. Control Module Switches and Connectors....................................................................13
1.1. Battery Module Controls...............................................................................................19
3. How to use the Monitoring Software Ems Tools.......................................................... 21
3.1. Monitoring Software Ems Tools connection ................................................................21
4. Matching the Controller to the Inverter.........................................................................24
4.1. Supported brands...........................................................................................................24
4.2. Inverter matching list .................................................................................................... 24
4.3. Connection with inverter...............................................................................................26
5. Safe handling of lithium batteries Guide....................................................................... 27
5.1. Schematic Diagram of Solution ....................................................................................27
5.2. Unpacking the system ...................................................................................................27
5.3. Precautions before installation ......................................................................................28
5.4. Tools..............................................................................................................................28
5.5. Safety Gear....................................................................................................................28
6. Installation.....................................................................................................................29
6.1. Package Items................................................................................................................29
6.2. Installation Location......................................................................................................30
7. Trouble Shooting Steps.................................................................................................35
7.1. Problem determination based on...................................................................................35
7.2. Preliminary determination steps....................................................................................35
7.3. The battery cannot be charged or discharged................................................................35
8. Storage, Transportation and Emergency Situations...................................................... 36
8.1. Storage........................................................................................................................... 36
8.2. Emergency Situations....................................................................................................36

Page 3 Chapter 2: Introduction
1. Safety Precautions
It is very important to read this user manual carefully before installing or using the battery.
Failure to do so or to follow any of the instructions or warnings in this document can result in
electrical shock, severe injury, or death. Installing the battery incorrectly can permanently
damage the battery or render it inoperable.
1.1. General warnings
Any internal lithium-ion cell material such as electrolyte or powder on the skin or
in the eyes must be flushed with plenty of clean water immediately. Then seek
medical assistance. Any material spilled on clothing should be rinsed out with
water.
Explosion and fire hazard. Terminals of the Li-ion Battery are always live. Therefore,
do not place items or tools on the Li-ion Battery. Avoid short circuits, over discharges
and high charge currents. Use insulated tools. Do not wear any metallic items such
as watches, bracelets, etc. In case of fire, you must use a type D, foam, or CO2 fire
extinguisher.
Do not open or dismantle the battery. Electrolyte is very corrosive. In normal
working conditions you will not have any contact with the electrolyte. If the
battery casing is damaged do not touch the exposed electrolyte or powder
because it is corrosive.
For more information about this product, please visit the official website:
http://www.homegridenergy.com
Only qualified personnel should work on a Li-Ion battery.
While working on a Li-ion battery wear protective eyeglasses and clothing.
Li-ion batteries are heavy. If involved in a traffic accident, it can become a
projectile! Ensure adequate and secure mounting and always use suitable
handling equipment for transportation.
A lithium-ion battery is sensitive to mechanical shock. Handle with care.
Do not expose bare cables ends. All the battery terminals must be
disconnected for maintenance.
Do not place in an area used by children or pets.
Do not use cleaning solvents to clean the battery.
Do not expose the battery to flammable or harsh chemicals or vapors.

Page 4 Chapter 2: Introduction
1.2. Charge and discharge warnings
If the battery is to be stored for a long time, recharge it to 90% SOC every 6
months.
SOC should be no lessthan90%
Use only with BMS approved by the supplier.
If charged after the Lithium Battery was discharged below the “Discharge cut-off
voltage,” or when the Lithium Battery was damaged or overcharged, the battery can
release a harmful gas.
The temperature range for battery charging is 0°C to 55°C. Charging the battery at
temperatures outside this range may cause severe damage to the battery or reduce
battery life expectancy.
The temperature range for battery discharging is -20°C to 55°C. Discharging the
battery at temperatures outside this range may cause severe damage to the battery or
reduce battery life expectancy.
Do not drop, deform, impact, or cut with a sharp object.
Do not power wash the battery or get it wet. Direct sunlight must be always
avoided.
Do not use a damaged battery.
Please contact the supplier within 24 hours if there is something abnormal.
Do not paint any part of the battery; include any internal or external
components.
Recharge a fully discharged battery within 12 hours.
Do not connect the battery directly to a solar array. The array must be connected
through an inverter
Do not place any foreign objects into any part of battery.
The warranty will be void for direct or indirect damage due to items above.

Page 5 Chapter 2: Introduction
1.3. Transportation warnings
NOTE ：
●Batteries are tested according to UN Handbook of Tests and Criteria, part III, sub section 38.3
(ST/SG/AC.10/11/Rev.5).
●For transport the batteries belong to the category UN3480, Class 9, Packaging Group II and must be transported
according to this regulation. This means that for land and sea transport (ADR, RID & IMDG) they must be
packed according to packaging instruction P903 and for air transport (IATA) according to packaging instruction
P965. The original packaging complies with these instructions.
1.4. Disposal of lithium batteries
1.5. Before Connecting
•After unpacking, please check the product and packing list. If the product is damaged
or parts are missing, please contact your distributor.
•Before installation, be sure to turn off the grid power and make sure the battery is in off
mode.
•Do not connect the battery to AC power directly. An inverter must be used.
•The embedded BMS in the battery is designed for 48V DC. DO NOT connect batteries
in series.
•Make sure that the battery system is grounded.
•Please make sure the inverter and other equipment are compatible.
•Keep the battery away from water and fire.
1.6. During Use
If the battery system needs to be moved or repaired, the power must be turned off on the
controller and each battery module switched off.
Thebattery mustbe transported in its originalor equivalent package and in an upright
position. If the battery is in its package, use soft slings to avoid damage.
Do not stand underneath a battery on any sort of hoist. Keep hands and feet clear.
Batteries marked with the recycling symbol must be processed via a recognized
recycling agency. By agreement, they may be returned to the manufacturer.
Batteries must not be mixed with domestic or industrial waste.
Do not throw a battery into fire.

Page 6 Chapter 2: Introduction
Do not connect the Stack’d battery to any other type of battery.
Do not connect the battery to an incompatible inverter.
Do not attempt to disassemble the battery.
In case of fire, only dry powder fire extinguisher can be used. Do not use liquid fire
extinguishers.

Page 7 Chapter 2: Introduction
2. Introduction
The Stack’d Series lithium iron phosphate battery is an energy storage product developed and
produced by HomeGrid. It can provide reliable power for several types of equipment and
systems. The Stack’d Series is especially suitable for home energy storage systems.
The Stack’d Series can do the following:
1. Store energy from solar arrays or wind turbines for use later when it’s dark or the wind
isn’t blowing.
2. Peak shaving: power from the battery is used to reduce the maximum power drawn from
the utility. This can result in cost savings in some jurisdictions.
3. Load shifting: power from the battery can be used to reduce the power drawn from the
utility during peak hours when rates are high. The battery is recharged during off-peak
hours when the rates are lower.
4. Demand response: in some areas the local utility will pay users to provide power to the
grid when demand is high. This is called “net metering.” Power flows from the battery
to the grid when demand is high, then the battery is recharged when demand is lower
and grid power is cheaper.
5. The battery can provide power when the local utility has experienced an outage.
The Stack’d Series has a built-in battery management system (BMS). The BMS manages and
monitors information including voltage, current and temperature from the cells inside the
battery. The BMS will balance the battery cells to maximize the energy that can be stored and
recovered.
Multiple battery stacks can be connected in parallel to expand capacity and power to meet the
requirements of longer power supporting duration and higher power consumption.
2.1. Lithium iron phosphate Battery
The lithium iron phosphate battery (LiFePO4 or LFP) is the safest of the mainstream lithium
battery types. A single LFP cell has a nominal voltage of 3.2V. A 48V LFP battery consists of
15 cells connected in series.
LFP is the chemistry of choice for very demanding applications. Some of its features are:
•Safety- LFP is the safest Li-Ion battery chemistry and does not experience thermal
runaway.
•High round trip efficiency.
•High energy density - More capacity with less weight and volume.
•High charge and discharge currents - Fast charge and discharges are possible.
•Flexible charge voltages.
The lithium iron phosphate battery is the chemistry of choice for a range of very demanding
applications.
2.2. Stack’d Series Features
•LFP modules are non-toxic, pollution-free, and environment-friendly.
•Cathode material is made from Lithium Iron Phosphate for safety, performance, and
long cycle life.
•The Battery management system (BMS) has many protection functions including over-
discharge, over-charge, over-current, and high/low temperature.

Page 8 Chapter 2: Introduction
•The system will automatically manage charging and discharging and balance the current
and voltage of each cell.
•Flexible configuration, multiple battery modules can be internal for expanding voltage
and Capacity.
•Adaptative self-cooling reduced system noise.
•The module has low self-discharge, up to 6 months without charging it on shelf, no
memory effect, excellent performance of low discharge.
•Working temperature range is from -20℃to 55℃, (Charging 0℃~55℃; discharging -
20℃~55℃) with excellent discharge performance and cycle life.
•Small volume, plug-in embedded design module, easy to install and maintain.

Page 9 Chapter 2: Introduction
2.3. Specifications
Figure 2.3.1 Assembled System with 5 Battery Modules
No.
Items
Parameters
1
Model
PF5-LFP***00-2A01
2
Main Controller Module
HG-MC100-200M2
3
Battery Module Type
HG-FS48100-15OSJ1
4
Battery Module Chemistry
LiFePO4
5
Battery Module QTY
2
3
4
5
6
7
8
6
Nominal Capacity (Ah)
200
300
400
500
600
700
800
7
Nominal Energy(kWh)***
9.60
14.4
19.2
24.0
28.8
33.6
38.4
8
Voltage
Nominal(V)
48.0
Bulk (V)
52.0
Absorbing (V)
52.5
Float (V)
52.3
Discharge (V)
44.0
9
Current
Max.Charging(A)
180
270
300
300
300
300
300
Max.Discharging(A)
180
270
300
300
300
300
300
Peak for 10s(A)
300
300
500
500
500
500
500
10
Weight (Approx.)
230 lbs.
325 lbs.
420 lbs.
515 lbs.
610 lbs.
705 lbs.
800 lbs.
11
Dimensions (H*W=29”
*D=15.75”)
24.2”
29.4
35.2”
41”
46.8”
52.6”
58.4”
12
Communication
RS485, CAN
13
Cycle Life
6000 times@80%DOD
14
Designed Calendar Life
≥10 years
15
Safety Function
Over-charge, Over-discharge, Over-current, Low/High-temperature, Low-
voltage, Short-circuit Protections
16
Parallel Capability
Maximum 15Stacks (Recommended 6 Stacks)

Page 10 Chapter 2: Introduction
2.4. Front Panel Display
The front of the controller module includes a display that shows the status of the system.
Figure2.4.1 Controller module display
No.
Instructions
NO.
Instructions
1
Animated streamline
6
Battery state of health (SOH)
2
Discharge power
7
Numerical percentage
3
Charging power
8
Number of modules
4
Numerical information
9
Fault (error)
5
Battery state of charge (SOC)
10
Alarm (warning)
9 10
1
2
3
4
5
6
7
8

Page 11 Chapter 2: Introduction
2 3 4 5 6
Figure2.4.2 Controller module display details
No.
Instructions
NO.
Instructions
1
Power switch
4
Hardware version
2
Current voltage level
5
Energy throughput
3
Software version
6
Capacity of a new battery
The power switch turns the entire system on and off.
Display screen: Displays the State of Charge (SOC), State of Health (SOH),
charging/discharging power, alarm fault indication, charging and discharging status, and overall
system status.
Power switch
Display screen
1

Page 12 Chapter 2: Introduction
Status code: The code will only be displayed if a fault occurs. If the system is operating
normally the code will not be shown. The alarm codes are shown in the table below：
Numerical
value
Alarm indication
Numerical
value
Alarm indication
000
Normal
014
Charging circuit fault
002
Low voltage protection
015
Cell failure
003
Charging over current
protection
016
NTC failure
004
Discharge over current
protection
019
External equipment communication fault
005
Short circuit protection
020
Internal equipment communication fault
006
Charging high temperature
022
Relay over temperature protection
007
High discharge temperature
023
Copper bus over temperature protection
008
Low charging temperature
025
Lost communication between screen and device
009
Low discharge temperature
051
Total pressure overcharge protection
011
High ambient temperature
052
Total pressure over discharge protection
012
Excessive differential
pressure
053
Low ambient temperature protection
013
Discharge circuit failure
054
MOS over temperature protection
NOTE:
●When the system is charged the display streamline gathers in the middle. When it is discharged the display
streamline disperses to both sides
Status code

Page 13 Chapter 2: Introduction
2.5. Control Module Switches and Connectors
Figure2.4.3 Control Module Terminals and Connectors
No.
Instructions
No.
Instructions
1
Inverter protocol selection switch
9
Parallel communication port B
2
Imped. SET (Reserved)
10
Parallel communication port A
3
Controller Address Dial Switch
11
Inverter CAN communication port
4
Dry Contact (Reserved)
12
Inverter RS485 communication port
5
Inverter CAN/ RS485communication port
13
CAN upgrade communication port
6
Hall Current (Reserved)
14
RS232 communication interface
7
Reserved
15
Charge/discharge negative electrode
8
Reserved
16
Charge/discharge positive electrode
1
4 7 8 9 10
2 3
5 6 11 12 13 14
15
16

Page 14 Chapter 2: Introduction
The Controller Address Dial Switch sets the address of the controller module of a given stack.
It is possible to have up to 15 stacks connected in parallel and controlled by one Master
Controller.
The Master Controller should have its address set to 1 as shown in the table below. The slave
controllers should be set to address 2, then 3 and so on. The controllers will be connected by
CAN bus cables shown later. Each stack has its own controller module on top.
Address
Coding
Dial Code Switch Position
Definition
#1
#2
#3
#4
#5
#6
1
ON
OFF
OFF
OFF
N/A
N/A
Address 1, the Master Controller
2
OFF
ON
OFF
OFF
N/A
N/A
Address 2, the first slave controller
3
ON
ON
OFF
OFF
N/A
N/A
Address 3, the second slave controller
4
OFF
OFF
ON
OFF
N/A
N/A
Address 4, the third slave controller
5
ON
OFF
ON
OFF
N/A
N/A
Address 5, the fourth slave stack controller
6
OFF
ON
ON
OFF
N/A
N/A
Address 6, the fifth slave controller
7
ON
ON
ON
OFF
N/A
N/A
Address 7, the sixth slave controller
8
OFF
OFF
OFF
ON
N/A
N/A
Address 8, the seventh slave controller
9
ON
OFF
OFF
ON
N/A
N/A
Address 9, the eighth slave controller
10
OFF
ON
OFF
ON
N/A
N/A
Address 10, the ninth slave controller
11
ON
ON
OFF
ON
N/A
N/A
Address 11, the tenth slave controller
12
OFF
OFF
ON
ON
N/A
N/A
Address 12, the eleventh slave controller
13
ON
OFF
ON
ON
N/A
N/A
Address 13, the twelfth slave controller
14
OFF
ON
ON
ON
N/A
N/A
Address 14, the thirteenth slave controller
15
ON
ON
ON
ON
N/A
NG
Address 15, the fourteenth slave controller
The master controller communicates with the inverter to set proper parameters for charging and
discharging. HomeGrid has programmed the controller to work with different inverters from
several different manufacturers.
Set the Inverter Protocol Selection Switch to match the inverter you wish to use according to
the table below.
Controller address dial switch
Inverter protocol dialing switch

Page 15 Chapter 2: Introduction
Inverter Protocol
Setting
Dial Code Switch Position
Definition
#1
#2
#3
#4
#5
#6
0
OFF
OFF
OFF
OFF
OFF
OFF
Monitoring Software setting
mode
1
ON
OFF
OFF
OFF
OFF
OFF
ZRGP
2
OFF
ON
OFF
OFF
OFF
OFF
Studer_Xtender
3
ON
ON
OFF
OFF
OFF
OFF
Sofar_LV
4
OFF
OFF
ON
OFF
OFF
OFF
Solis_LV
5
ON
OFF
ON
OFF
OFF
OFF
Goodwe_LV
6
OFF
ON
ON
OFF
OFF
OFF
Victron_color_control
7
ON
ON
ON
OFF
OFF
OFF
SMA_LV
8
OFF
OFF
OFF
ON
OFF
OFF
Sermatec_HV
9
ON
OFF
OFF
ON
OFF
OFF
Reserved
10
OFF
ON
OFF
ON
OFF
OFF
Growatt_SPF
11
ON
ON
OFF
ON
OFF
OFF
Li_PLUS
12
OFF
OFF
ON
ON
OFF
OFF
Schneider Gateway
13
ON
OFF
ON
ON
OFF
OFF
SOL-ARK_LV
14
OFF
ON
ON
ON
OFF
OFF
Reserved
15
ON
ON
ON
ON
OFF
OFF
Reserved
16
OFF
OFF
OFF
OFF
ON
OFF
Reserved
17
ON
OFF
OFF
OFF
ON
OFF
SUNSYNK
18
OFF
ON
OFF
OFF
ON
OFF
Growatt_SPH&SPA
19
ON
ON
OFF
OFF
ON
OFF
Reserved
20
OFF
OFF
ON
OFF
ON
OFF
Reserved
21
ON
OFF
ON
OFF
ON
OFF
Reserved
22
OFF
ON
ON
OFF
ON
OFF
Reserved
23
ON
ON
ON
OFF
ON
OFF
Reserved
24
OFF
OFF
OFF
ON
ON
OFF
Reserved
25
ON
OFF
OFF
ON
ON
OFF
Reserved
26
OFF
ON
OFF
ON
ON
OFF
Reserved

Page 16 Chapter 2: Introduction
27
ON
ON
OFF
ON
ON
OFF
GreenCell
28
OFF
OFF
ON
ON
ON
OFF
Reserved
29
ON
OFF
ON
ON
ON
OFF
Must
Inverter Protocol
Setting
Dial Code Switch Position
Definition
#1
#2
#3
#4
#5
#6
50
OFF
ON
OFF
OFF
ON
ON
Reserved
51
ON
ON
OFF
OFF
ON
ON
52
OFF
OFF
ON
OFF
ON
ON
53
ON
OFF
ON
OFF
ON
ON
54
OFF
ON
ON
OFF
ON
ON
55
ON
ON
ON
OFF
ON
ON
56
OFF
OFF
OFF
ON
ON
ON
57
ON
OFF
OFF
ON
ON
ON
58
OFF
ON
OFF
ON
ON
ON
59
ON
ON
OFF
ON
ON
ON
60
OFF
OFF
ON
ON
ON
ON
Reserved
61
ON
OFF
ON
ON
ON
ON
Reserved
62
OFF
ON
ON
ON
ON
ON
Reserved
63
ON
ON
ON
ON
ON
ON
Find the number of
modules attached to the
system.
Inverter CAN/RS485 communication port: (3.81mm port) follows the CAN and RS485
protocols. The system master uses this interface to communicate with some external inverters
and other equipment.
Inverter CAN/RS485 communication port

Page 17 Chapter 2: Introduction
Port definitions
RJ45Pin
Function
123456
1
RS485-B
2
RS485-A
3
RS485-GND
4
CAN-L
5
CAN-H
6
CAN-GND
RS232 communication port (RJ45 Port) with a baud rate of 9600 bps for debugging or service.
Port definitions
RJ11 Pin
Function
1
NC (No connect)
2
NC (No connect)
3
RS232-GND
4
RS232-TX
5
RS232-RX
6
RS232-GND
7
NC (No connect)
8
NC (No connect)
COM communication port:(RJ45 port) Connect the monitoring host computer to query the data
and monitor the running status of the system.
Port definitions
RJ45 Pin
Function
1
RS485-B
2
RS485-A
3
CAN -GND
4
RS485-GND
5
RS485-GND
6
CAN -GND
7
CAN-L
8
CAN-H
RS232 communication port
COM communication port
Inverter RS485 communication port

Page 18 Chapter 2: Introduction
Rear panel RS485 communication port: follows CAN protocol and RS485 protocol. For the
output system information, the system master uses this interface to communicate with External
inverter PC and other equipment.
Port definitions
RJ45 Pin
Function
1
RS485-B
2
RS485-A
3
RS485-GND
4
NC (No connect)
5
NC (No connect)
6
RS485-GND
7
RS485-A
8
RS485-B
Rear panel CAN communication port: (RJ45 port) follows CAN protocol and RS485 protocol.
For the output system information, the system master uses this interface to communicate with
External inverter PC and other equipment.
Port definitions
RJ45 Pin
Function
1
CAN-H
2
CAN-L
3
CAN -GND
4
CAN-H
5
CAN-L
6
CAN -GND
7
CAN-H
8
CAN-L
Inverter CAN communication port

Page 19 Chapter 2: Introduction
Link A / B communication port:(RJ45 port) the definition of link A and B on the rear panel of
the interface main control module is the same. This RS485 interface is used for parallel
communication between the main control modules, and up to 15 devices can be connected in
parallel.
Port definitions
RJ45 Pin
Function
1
RS485-B
2
RS485-A
3
RS485-GND
4
NC (No connect)
5
NC (No connect)
6
RS485-GND
7
RS485-A
8
RS485-B
1.1. Battery Module Controls
This panel is under the cover on the right side of each battery module. The “Addr” switches
define the address of this module. Each module in a stack must have its own address. The
module directly below the controller should be set to 1, the one below it set to 2, and so on
down the stack.
Figure 2.4. Battery module interface definition
No.
Instructions
NO.
Instructions
1
Address Dial Switch
2
RS232 communications interface
3
Power switch
Power switch: turns the battery module on and off.
RS232 communication port: (RJ11 port) with a baud rate of 9600 bps for debugging or service.
Rear panel Link A / Link B communication port
1
2
3
Power switch
RS232 communication port

Page 20 Chapter 2: Introduction
Port definitions
RJ11 Pin
Function
1
NC (NO CONNECT)
2
RS232-GND
3
RS232-TX
4
RS232-RX
5
RS232-GND
6
NC (NO CONNECT)
Each battery module must have its own ID. The modules should be numbered from 1 to N
where N is the number of modules. Module 1 should be the top module in the stack and
module N the bottom one.
Positive and negative connection: the battery modules are connected in
parallel through the connecting terminals, and finally the main control
module is connected in parallel.
Address dial switch
Battery anode and Battery cathode