10 pcs 1S 3.7V 4A li-ion BMS PCM 18650 Battery Protection Board PCB--

The main function: Overcharge protection, over discharge protection, short circuit protection, overcurrent protection. Technical Parameters: 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 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 Color: green material: metal Package included: 10 x protection board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.