Nominal Voltage: 25.6V
Rated Capacity: 21Ah
Charge Voltage: 29.2V
Standard Charge Current: 4.2A
Max. Charge Current: 10.5A
Standard Discharge Current: 4.2A
Max. Discharge Current: 40A
Discharge Cut-off voltage: 20V
Charge Temperature:10～45℃
Discharge Temperature:-20～60℃
Dimension: 234*184*118mm
Internal Resistance of Battery:≤120mΩ
Weight: about 7.7kg
Communication Protocol：RS485
Product features: Stable structure, supporting high current output