Description：
Item Rating Note
Cell Type LiFePO4 Battery
Cell Model LF72161227
Nominal Capacity 20Ah Discharge : 0.2C
Cut-off Voltage: 2.0V
Minimum Capacity 19Ah Discharge : 0.2C
Cut-off Voltage: 2.0V
Nominal voltage 3.2V
Internal Impedance ≤3mΩ
Dimension MAX. 7.5*161*230mm
Weight 490g
Battery pack Pack Method 4S4P
Nominal Capacity 80 Ah Discharge : 0.2C
Minimum Capacity 76 Ah Discharge : 0.2C
Nominal Voltage 12.8V
Energy 1024Wh
Charge Voltage 14.6V
Discharge cut-off voltage 10V
Charge Method CC/CV
Standard Charge Current 16A
Max. Charge Current 25A
Standard Discharge Current 16A
Continues Discharge current 25A
Cycle Life 1500 times
Internal Impedance ≤50mΩ
Case Dimension L328*W172*H218mm ±5mm
Output Wire 1015 14AWG Line length:500mm
Output Connector /
Weight Approx.9kg
Working Temperature Range Charge: 0°C--45°C
Discharge: -20°C--60°C
Storage Temperature -10°C--45°C
3.Protection Circuit
3.1 PCB Parameter
No. Item Standard
1 Charge Current ≤25A
2 Discharge Current ≤25A
3 Overcharge Over-Charge Detect Voltage 3.90±0.025 V
Over-Charge Delay Time 0.7~2.0 S
Over-Charge Reset Voltage 3.80±0.05 V
4 Over-discharge Over-Discharge Detect Voltage 2.0±0.05 V
Over-Discharge Delay Time 80~245 mS
Over-Discharge Reset Voltage 2.3±0.10 V
5 Over-current Over-Current Detect Current 20-40 A
Over-Current Delay Time 5~15 ms
Reset Release load
6 Short Circuit Detect Status External Short Circuit
Delay Time 150~540 us
Reset Release load
7 Thermal Switch 75±5℃
8 Resistance ≤30mΩ
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