4S 14.8V 16.8V BMS PCB for 4S 18650 li-ion Lithium Ion Battery Pack (4S 30A W/Balance)

Product Description:

Specifications:

• Working current: 15A

• Operating temperature: - 40 - 50°C

• Upper limit instantaneous current: 30A

• Storage conditions: -40 - 80°C

• Quiescent current: less than 10uA

• Effective life: more than 50,000 hours

• Internal resistance: less than 300mΩ

• Charging voltage: 16.8 – 17.5V 

Welding point Description:

• B+: Connect to the battery positive

• B-: Connect to the battery negative

• VH, VM, VL: Connect to the battery joining points as shown in image

• P+: Connect to the charge/discharge side of the positive terminal

• P-: Connect to the charge/discharge side of the negative terminal

Specification:

• Number of Cells: 4 in series; For 3.7V Lithium-ion Batteries; The PCB Color may vary based on availability.

• Working current:15A (Natural cooling 10.A, add heat sink 15A); Maximum Instantaneous current 30A

• overcharge detection voltage :4.25±0.025V overcharge Lift the voltage:4.15±0.05V over discharge detection voltage :2.50±0.08V

• over discharge Lift the voltage:3.00±0.1V overcurrent current:20-30A

• Remove protection condition automatic recovery, without activation