48V E-bike BMS 13s li-ion battery pack bms for e-bike

48V Eelectric bicycle battery pack BMS for 13S-cells (500A)

1. Electrical Characteristic (Ta = 25 °C.)

1.1 Battery

Battery Gas: Li-ion

Battery Links:13S

1.2 Absolute Maximum Rating

Input Charging Voltage: 54.6 ±1% V

Input Charging Current: 2 ~80A

Output Discharging Voltage :35.75 ~54.6V

Output Discharging Current: 24~ 30 A

Continuous Output Discharging Current :≤500A

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) 2.75 ±0.10 V

Over-Discharge Voltage Protection Release (UVPR) 3.00 ±0.10 V

Over-Current Charge Protection (OCCP) : 10 ±2.5 A

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 :70~ 90 mA

Balance Mode: Charging

1.7 Current Consumption

Normal Mode : 2000uA

Idle mode: 360 uA