3S40A

Balanced  version: for starting current below 80A, power 135W below the drill. balanced function.3S 12.6V 40A lithium battery protection board.Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, polymer lithium battery).Product Size: 42 * 57 * 3.4mm Balanced Version