4S 40A 14.8V 18650 Lithium Battery BMS PCB Protection Board

Features:
1. 4 string 16.8V 40A lithium battery protection board (comes with recovery function-AUTO Recovery).
2. Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, a polymer lithium battery).
3. Product weight: 9.3g (standard / enhanced version), 10.3g (balanced version).
4. Charging voltage: 16.8V – 18.1V.
5. Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current use).
6. Continuous charge current (upper limit): 20A.
7. Equalization version: suitable for starting current below 80A, power 135W below the drill.

Specification:
• Battery: 4 Cell
• Overcharge detection voltage: 4.25 ± 0.025 V
• Over-discharge detection voltage: 2.50 ± 0.08 V
• Over current Protection: 40 A
• Working current: 20 A
• Operating Temperature: -40 ~ +85°C
• Length: 60 mm
• Width: 45 mm
• Height: 3.5 mm
• Weight: 12 gm

Package Included:
1 x 4S 40A 14.8V 18650 Lithium Battery BMS PCB Protection Board