3pcs 1S 3.7V 4A li-ion BMS PCM 18650 Battery Protection Board PCB for 18650 lithium Battery Double MOS

Specifications: Overcharge detection voltage: 4.25 0.05V Overcharge release voltage: 4.23 0.05V Over discharge detection voltage: 2.45 0.1V Upper limit continuous current: 4A Overcurrent detection current: 5A Charging voltage: 4.2V Product Size: 35 * 4 * 2.2MM IC components: DW01 + 8205A * 2 The main function:Overcharge protection, over discharge protection, short circuit protection, overcurrent protection. Wiring Instructions: B + : Connected to the battery positive. B-: Connected battery negative. P + : For the battery pack output input positive P- : For the battery pack output input negative Package Included: 3 x 1S 3.7V 4A li-ion BMS PCM 18650 Battery Protection Board