Basic characteristics
Model: E-power 1240
Capacity: 40 ah
Rated voltage: 12V
Impedance standard: ≥ 60
Combination standard:
A. Capacity difference1%
B. Resistance=4~5m
C. Current-maintaining ability90%
D. Voltage0.5c discharging state2.5~2.8vcombination method4s3p
Standard condition
Rated capacity: ( 0.3ca) 40A
Minimal capacity: ( 0.3c 5A) 40A
Nominal voltage: 12V
Max. Charge voltage: 12.6V
Discharge cut-off voltage: 8.25
Charge current: 5A
Working current: 45aoutput and input p+ (red) p-(black)
Weight: 3kg
Size : 50*125*200mm
Charge method standard: 2ax10hrs
Quick: 5ax4hrs
Manage system
Single cell over-charge cut-off voltage: 4.2V
Charge working voltage: 2.75V
Ingle cell under-discharge cut-off voltage: 2.75V
Discharge working voltage: 2.8V
Conditions of over-charge and under-discharge voltage recovery: with the high-point voltage reaching the working voltage
Over-charge cut-off current: 40A
Short-circuit protection: own this ability
Condition for the recovery of over-current and short-circuit protection: Cut the circuit to automatic recovery