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WELI Product



Additional information

Model Name


Nominal Voltage


Typical Capacity @0.2C

100Ah / 5.12kWh

Standard Charge Current


Standard Discharge Current



L440 × D165 × H640mm

Net Weight



51.2V100Ah LiFePO4 Battery

For Home Energy Storage System






Use safer lithium iron phosphate batteries

Integrated Intelligent Battery Management System (BMS):

  • Prevent overcharge, overdischarge, and high current inside the battery to ensure battery safety and reliability.
  • Balance each battery to extend battery life.
  • Intelligent monitoring, remote measurement, remote communication, RS485 remote control

Wall hang mounted installation

With LCD display to display detailed battery parameters

match with the market mainstream inverter

Mainly used in home energy storage system


Battery Module Parameter

No. Item Specification Note
1 Nominal Voltage 51.2V
2 Typical Capacity 100Ah / 5.12kWh At 0.2C Rate
3 Inner Resistance ≤100mΩ At AC 1kHz
4 Charging Voltage 58.4V 3.65V / Cell
5 Standard Charge Current 50A
6 Max. Charge Current 100A
7 Discharge Cut-Of Voltage 44.8V 2.8V / Cell
8 Standard Discharge Current 50A
9 Max. Discharge Current 100A
10 Peak Discharge Current 120A / 3S
11 Outline Dimension L440 × D165 × H640mm
12 Pack Method 16S1P
13 Cell Type LFP 3.2V 100Ah
14 Main Shell Material SPCC
15 IP Class IP50
16 Net Weight 49KG
17 Cooling method Natural Cooling
18 Operation Temperature Range Charge: 0℃~45℃ 10%-90%RH
Discharge: -20℃~60℃
19 Storage Temperature Range 15℃~25℃: 9 Months 50%~60% SOC
0℃~35℃: 6 Months
-20℃~45℃: 1 Month
20 Storage Humidity 10%-90%RH


Battery Module Drawing


No. Marking Description Remarks
1 GND Ground Port
2 ON/OFF DC Circuit Breaker
3 POWER Power Switch
4 RST Reset Button
5 ADS DIP Switch
6 CAN/RS485-1 Inverter Communication Interface
7 RS485-2 Battery Parallel Communication Interface
8 GND Ground Port
  • Finished Dimension Drawing
Dimension Length: 440 mm Depth: 165 mm Height: 640 mm
  • Parallel Wiring Diagram


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Please pay attention to the email with the suffix “@welicharger.com”.