GSL Telecom Battery Box User manual

User Manual
Product Name : Telecom Battery Box
Product Model : GSL-P48100ESA1
Date : 30/08/2021
Approve Review Proofread Compile

Product Name: Telecom Battery Box Product Model: GSL-P48100ESA1 Rev No.: A0
Revised Sheet
ED Amendment Reviser Revision Date
A0 The new release David 2021-08-03

Product Name: Telecom Battery Box Product Model: GSL-P48100ESA1 Rev No.: A0
Contents
1. Packaging Transportation and Storage .................................................................................................... 1
1.1. Items in the Box .......................................................................................................................... 1
1.2. Transport Requirement ................................................................................................................ 1
1.3. Storage Requirements .................................................................................................................. 1
2. Product Description ................................................................................................................................. 2
2.1. Notes ........................................................................................................................................... 2
2.2. Purpose ........................................................................................................................................ 3
2.3. Appearance .................................................................................................................................. 3
2.4. Structure ...................................................................................................................................... 4
2.5. Electric ........................................................................................................................................ 5
2.6. Communication Function ............................................................................................................ 6
3. Installation ............................................................................................................................................... 7
3.1. Tools and Safety Devices ............................................................................................................ 7
3.2. Structure installation.................................................................................................................... 7
3.3. Electrical installation ................................................................................................................... 8
4. Operating ............................................................................................................................................... 11
4.1. Power on .................................................................................................................................... 11
4.2. Shutdown ................................................................................................................................... 11
5. Maintenance .......................................................................................................................................... 11
6. Troubleshooting ..................................................................................................................................... 11
7. Interpretation of Abbreviated Words ..................................................................................................... 11
8. Product Warranty ................................................................................................................................... 12

Product Name: Telecom Battery Box Product Model: GSL-P48100ESA1 Rev No.: A0
DATE: Aug 30, 2021 1
1. Packaging Transportation and Storage
1.1. Items in the Box
The packaging diagram and delivery list of the entire battery pack are shown in Figure 1 and Table 1
respectively.
Figure 1. product packaging diagram
Table1.packing list
S.N. Name Legend Specifications Amount Standard/
Optional
1 Battery box
GSL-
P48100ESA1 1 Standard
2 Positive power cable 1m,25mm², red 1 Optional
3 Negative power cable 1m,25mm², black 1 Optional
4 Communication
network cable 1m, blue 1 Optional
5 User manual / / 1 Standard
1.2. Transport Requirement
During transportation, the battery packing box must be placed properly and avoid strong vibration, impact
and heavy pressure.
1.3. Storage Requirements
Products should be stored in a place free from rain, humidity and sun. During storage, the power of the
product shall not be less than 60%.

Product Name: Telecom Battery Box Product Model: GSL-P48100ESA1 Rev No.: A0
DATE: Aug 30, 2021 2
2. Product Description
2.1. Notes
This product is made of lithium iron phosphate battery, which has the characteristics of good safety, long
life, low internal resistance, and high charge and discharge efficiency.
2.1.1. Identification Definition
Table 2. identification definition
Danger of electric shock
Ignoring safety warnings or improper operation may result in minor injury or
slight or moderate damage to equipment or property
Do not short-circuit
Do not disconnect or disassemble by non-professionals
Do not place near flammable materials
Do not place the battery near fire
Please read the product manual before installation and use
Keep out of reach of children, animals or insects
Recyclable
Do not dispose of this product with domestic waste
2.1.2. Operational Safety
For safety reasons, it is the installer's responsibility to be familiar with the contents of this document and all
warnings before performing the installation.
(1) When operating and maintaining this product, please follow the operation regulations of high

Product Name: Telecom Battery Box Product Model: GSL-P48100ESA1 Rev No.: A0
DATE: Aug 30, 2021 3
voltage DC power supply, and take good personal protection measures;
(2) Keep away from children;
(3) Avoid touching exposed metal parts before touching the battery;
(4) In order to prevent the accumulation of static electricity, the maintenance personnel should
release the static electricity from the human body before operating the battery;
(5) Do not place tools or metal parts on the top of the battery;
(6) Do not step on or sit on the battery;
(7) Do not short circuit the positive and negative electrodes of the battery directly;
(8) It is forbidden to change the battery without authorization;
(9) It is forbidden to cover the battery during charging and discharging;
(10) It is forbidden to charge or discharge the battery module directly without BMS or other charging
and discharging protection measures.
2.1.3. Responding to Emergencies
(1) Electrolyte Leakage
In case of electrolyte leakage, immediately follow the following instructions;
Inhalation: evacuate the contaminated area and seek medical advice immediately;
Eye contact: Rinse eyes with running water for 15 minutes and seek medical advice immediately;
Skin contact: wash the affected area thoroughly with soap and water and seek medical advice
immediately;
Ingestion: cause vomiting and seek medical advice immediately.
(2) Battery Soaking
If the battery is immersed in water, do not continue to use.
(3) Battery Damage
If the battery is damaged, please contact us directly.
2.2. Purpose
GSL-P48100ESA1 battery box can be used for communication base station power supply or home energy
storage and other similar scenarios.
2.3. Appearance

Product Name: Telecom Battery Box Product Model: GSL-P48100ESA1 Rev No.: A0
DATE: Aug 30, 2021 4
Figure 2. product appearance
Figure 3. product size
2.4. Structure
Figure 4. Product panel interface
Table 3. component table
Serial Number Name Label Function Description
1 SOC indicator / /
2 Warning indicator ALM Alarm in case of battery failure
3 Operation indicator RUN Flashing during battery charging and
discharging
4 Dial switch ADD Address setting for parallel connection of
batteries
5 Debugging port CONSOLE Connect the computer
6 Communication port CAN/RS485 CAN: Communication with inverter
RS485: Battery pack cascade communication

Product Name: Telecom Battery Box Product Model: GSL-P48100ESA1 Rev No.: A0
DATE: Aug 30, 2021 5
7 Communication port CAN/RS485 CAN: Communication with inverter
RS485: Battery pack cascade communication
8 Reset switch RST BMS reset parameters
9 Positive and
negative terminal +/- Battery positive and negative output
10 Grounding hole / For installation of grounding wire
11 Handle / Easy to handle battery box
12 Dry contact DO1/DO2 Output two control signals
2.5. Electric
See the figure below for the electrical schematic diagram of battery box.
Figure 5. electrical schematic diagram of the product
Please refer to the table below for the electrical performance parameters of residential battery box:
Table 4. product electrical parameters
S.N. Key items Specifications
1 Type of battery LFP
2 Cell Connection 1P15S
3 Rated voltage 48V (25℃±2℃)
4 Rated energy 4.8kWh
5 Standard charging current 50A
6 Maximum continuous charging current 100A
7 Standard discharge current 50A
8 Maximum continuous discharging current 100A
9 Battery self-discharge rate ≤3%/month (25℃, 50%SOC)
10 Cycle life ≥6,000times (0.5C/0.5C, 80%DOD)
11 Maximum Number of
Parallel-connected Battery 32

Product Name: Telecom Battery Box Product Model: GSL-P48100ESA1 Rev No.: A0
DATE: Aug 30, 2021 6
12 Protection & Alarm
Protection or alarm against over
over-temperature, over over-current, over
over-charge, over over-discharge, short
circuit, etc.
13 Network Port CAN/RS485/2 dry contacts
14 Factory SOC state 30~40%
15 Cooling Natural Cooling
16 Withstand voltage level 1500V DC
17 Insulation resistance >100MΩ
18 Ingress protection IP20
19 Altitude <2000m
20 Range of working temperature Charge: 0℃~55℃/
Discharge: -20℃~55℃
21 Storage temperature -10℃~30℃
22 Relative humidity 5%~95%, RH
23 Weight About 40kg
24 Dimensions (W*D*H) 442mm* 479mm* 128mm
25 Installation location Indoor
2.6. Communication Function
 RS232 Communication port
RS232 interface communicate with PC or other intelligent terminals.
PIN Signal
3 BMS TX
4 BMS RX
5 RS232_GND
1,2,6 NC
 RS485 Communication port
The BMS shall be equipped with RS485 communication interface to communicate with FSU. FSU and
BMS communication mode is master-slave. FSU is the master and each BMS is the slave. BMS address 1,
2, 3 …
The BMS provides two RJ45 communications ports. The two interfaces are physically one serial port,
which are connected in BMS board. Each BMS is connected by 8-core direct connection network cable
conforming to T568b standard.
PIN Signal
1,3,6 RS485A
2,7 RS485B

Product Name: Telecom Battery Box Product Model: GSL-P48100ESA1 Rev No.: A0
DATE: Aug 30, 2021 7
8 GND
 RS485 Communication port
CAN interface communicate with Inverter. Upload battery status and fault information, accept inverter
commands.
PIN Signal
4 CAN-H
5 CAN-L
8 GND
3. Installation
3.1. Tools and Safety Protection Appliance
The following tools are required to install this product.
Wrench Electric screw driver
Insulated gloves Goggles Safety shoes
When installing, moving and placing batteries, always follow the instructions in the manual, otherwise
there may be safety hazards.
3.2. Structure installation
GSL-P48100ESA1 telecom battery box supports horizontal stacking, as shown in Figure.