Date:2015-12-11

25.9V 7S Battery PCBA/BMS for 7S Electric Bike Battery(15A)


Applied to 7 series li-ion battery pack. OEM order is available.

1. Electrical Characteristic (Ta = 25 °C.)
1.1 Battery
Battery Gas: Li-ion
Battery Links:7S

1.2 Absolute Maximum Rating
Input Charging Voltage: 29.4 ±1% V
Input Charging Current: 2 ~5 A
Output Discharging Voltage :17.5 ~29.4 V
Output Discharging Current: 16~ 20 A
Continuous Output Discharging Current :≤16 A

1.3Ambient Condition
Operating Temperature :-10 ~65 °C
Humidity (No Water-Drop): 0% RH

1.4 Storage
Temperature:-40~ 85 °C
Humidity (No Water-Drop) :0% RH

1.5 Protection Parameters (for Individual Cell).
Over-Charge Voltage Protection (OVP): 4.250 ± 0.25V
Over-Charge Voltage Protection Release (OVPR): 4.100 ±0.050 V
Over-Discharge Voltage Protection (UVP) 2.500 ±0.10 V
Over-Discharge Voltage Protection Release (UVPR) 3.000 ±0.10 V
Over-Current Charge Protection (OCCP) : 10 ±2.5 A
Over-Current Discharge 0 Protection (OC0DP): 40 A
Over-Current Protection 0 Delay Time (OC0DT): 8 S
Over-Current Discharge Protection 0 Release: 32 S
Over-Current Discharge Protection (OCDP) : 60 A
Over-Current Protection Delay Time (OCPDT) : 24 mS
Over-Current Discharge Protection Release : 32 S
Short circuit current protection :200 A
Short circuit current protection delay time :246 uS
Short circuit protection Release Cut off load
Charging Temperature : -20 ~65 °C
Charging Temperature Protection Release: -10 ~45 °C
Discharging Temperature: -20 ~65 °C
Discharging Temperature Protection Release: -10~ 45 °C

1.6 Cell balance
Bleed Start Point: 3700 mV
Bleed Accuracy :20 mV
Bleed Current :50~ 60 mA
Balance Mode: Charge



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