4S 40A 16.8V 18650 BMS For Lithium Battery Protection

4S 40A 18650 16.8V BMS For Lithium Battery Protection

This is a 4 Series 40A 18650 Lithium Battery Protection Board 16.8V with Balance for Drill Motor Lipo Cell Module. The 4S 40A BMS Module comes with recovery function AUTO Recovery and Integrated 10 low load resistance MOS tube.

Features

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

Specifications

• Short circuit protection
• Overcharge protection
• Over-discharge protection
• Overcurrent protection
• Overcharge Voltage per cell: 4.2V
• Maximum Working Current: 40A