Battery cells

Specification

Lithium Iron-300Ah

Capacity

300Ah

Nominal voltage

3.2V

Nominal internal resistance

≤0.5mΩ

Combination mode

16 series and 1 parallel

Assortment standard

Tolerance ≤ 1%

Single section internal resistance difference ≤0.2mΩ

Single section voltage difference≤5mV

Charge retention capacity ≥90%

Battery pack

Charge retention capability 

After charging according to 3.2 standard charging, put aside for 28 days under standard test conditions, and then discharge according to 3.3 standard discharging, discharging and discharging, charge retention rate ≥80%.

Cycle times

Cycle life is not less than 5000 times, capacity retention rate ≥80%. (Charge according to 3.2 standard charging, set aside for 0.5~1h.
(Charge according to 3.2 standard charging, set aside for 0.5~1h; discharge according to 3.3 standard discharging, set aside for 0.5~1h, counting 1 cycle).

Management System

Single Overvoltage Protection Value 

3.7V

Overvoltage release value 

3.65V

Single undervoltage protection value

2.5V

Undervoltage release value 

2.7V

Overcurrent protection value 

400