Battery type: LIFEPO4
MODEL: 50Ah 12.8V (4S9P)
Rated capacity: 50Ah (640WH)
Normal voltage: 12.8V
Discharge termination voltage: 10.0V
Charging voltage: 14.6V
Internal resistance: 180m
Single cell: IFR 32700 3.2V 6000mAh
Standard charging.
Continuous current: 0.2C 5A
Continuous voltage: 14.6V
Cut-off current: 0.01 C
Standard discharge: Constant current 0.2C 5A end voltage 10.0V
Max. charging continuous current: 50A
Maximum discharge continuous current: 50A
Operating temperature range.
Charge: 0~45
Discharge: -20~60
Product size: 228*138*208mm
Weight: 7kg( 15.4 lbs)