4S 20A Lithium Battery BMS Balance Card - Suitable for 18650 Battery Charging
B1 port between battery 1 and battery 2
B2 Connect the dot between Battery2 and Battery 3.
B3 connect the point between battery 3 and battery 4
B- connect to the negative end of the battery
P- + junction charge/discharge positive;
P- junction charge/discharge negative
1) This board is not suitable for high power electronic devices
2) Above 3A device means the battery discharge rate is more than 3C.
1C rated battery is equal to 2000mah 2ah * 1 = 2A maximum working current.
3C rated battery means 2ahx3=6A Maximum working current.
Technical specifications:
Charging Voltage: 4.25-4.35v ± 0.05v
Overdischarge Voltage: 2.3-3.0v ± 0.05v
Maximum operating current: 10A
Maximum Peak current: 20A
Working Temperature: -40 ~ +50
Storage Temperature: -40 ~ +80
Min. current: 6uALifespan: 50000 hours
Endurance: 45mΩ
Short circuit protection: Protectable
Size: 3.6x3.5cm / 1.42x1.38 inch