| 
 NO  | 
 Items  | 
 Specification  | 
|
| 
 1  | 
Normal capacity | 
 20.0Ah  | 
|
| 
 2  | 
Nominal energy | 
 960Wh  | 
|
| 
 3  | 
Nominal voltage | 
 48V  | 
|
| 
 4  | 
Internal resistance | 
 ≤40mΩ @1kHz AC  | 
|
| 
 5  | 
Normal charge voltage | 
 52.5V~54V  | 
|
| 
 6  | 
Standard charging method | 
 10.0A  | 
|
| 
 7  | 
Maximum continuous charging current | 
 20.0A  | 
|
| 
 8  | 
Standard discharging method | 
 10.0A  | 
|
| 
 9  | 
Maximum continuous discharge current | 
 20.0A  | 
|
| 
 10  | 
End of discharge voltage | 
 40.50V  | 
|
| 
 11  | 
Charge current limited | 
 5A  | 
|
| 
 12  | 
Cycle Life | 
 ≥2000 cycles (25℃)  | 
|
| 
 13  | 
Operation temperature | 
 Charge  | 
|
| 
 14  | 
Operation temperature | 
 Charge  | 
 0~60℃  | 
| Discharge | 
 -10~60℃  | 
||
| 
 15  | 
Shipment voltage | 
 ≥48V  | 
|
| 
 16  | 
Charge retention and capacity recovery capability | 
 Standard charge the battery, and then put aside at room temperature for 28d or 55 ℃ for 7d, Charge retention rate≥90%, Recovery rate of charge≥90  | 
|
| 
 17  | 
 
 Size  | 
 Thickness 314±2 mm  | 
|
| 
 Width 220±2 mm  | 
|||
| 
 Height 113±2 mm  | 
|||
| 
 18  | 
Weight | 
 About:20kg  | 
|
Key features:
•Advanced chemical system: Using High Safety, long life of LiFePO4(lithium iron phosphate) battery, cycle life of up to 2000 times.
•Strong performance parameters: nominal voltage 48V, capacity 20Ah, Energy 960WH. Supports Maximum 20A continuous charge and discharge current.
•Smart battery management (BMS) : integrated full range of protection, including overcharge/discharge, overcurrent, short circuit, temperature protection, support RS485 communication, easy monitoring.
•Wide working temperature: charging temperature 0 ~ 60 °C, discharge temperature -10 ~ 60 °C, adapt to a variety of environments.
•Compact design: Size 314 * 220 * 113 mm, weight about 20 kg, easy to install and integrate.