3X 3S 20A - Lithium Battery 18650 Charger PCB BMS Protection Board 12.6V Cell 64X20X3.4mm Module S08

Maximum output current: 20A Maximum output power / charging power: 252W : 3 Pc colour:Green + black Material:metal size:5.9 x 2cm Package Contents: 3 x PCB Protection Board Attention: Do not mix the good battery and poor battery to use. The internal resistance of 3 battery capacity are closer will be better. know the professional of this module buying Precautions: 1.Strictly according to the wiring: 0V/4.2V/8.4V/12.6V Otherwise it will cause damage to the chip. 2.After connection it need to first charge activation then will have the output. Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.