Li-ion 72v 40ah lifepo4 battery pack with intelligent Bms Battery batteries Quality Choice

Cell

model  

72V/40Ah

Capacity

40Ah

rated voltage 

72V

Impedance standard

≤100 mΩ

Battery Mode

NLC2770145PF 

Combination standard 

A: capacity difference≤1%

B: Resistance difference ≤1mΩ

C:current maintaining ability≥85%

D. Voltage(0.2C discharging state =2.0V

Combination method 

24S2P 

Pile index

Rated capacity (0.2C5A)

40Ah

Max. charge voltage 

87.6V

Discharge cut-off voltage 

About 48V

Charge current 

≤60A

MAX Working current 

≤60A

Charge method 

CC-CV

Operating temperature

Charge

0℃~45℃;32oF~113oF

discharge

-20℃~60℃;-4oF~149oF

Management System 

Single cell over-charger cut-off voltage 

3.9V

OverCharge release voltage

3.8V

Single cell under-discharger cut-off voltage 

2.0V

Overdischarge release voltage  

2.3V

Conditions of over-charge and under-discharge voltage

With the high-point voltage reaching the working voltage

Over current protection

400±50A

Short-circuit protection 

Own this ability

Condition for the recovery of over-current and short-circuit ptotection 

Cut the circuit to automatic recovery