General description 10 pieces of 3S 10.8V 12.6V 40A lithium battery protection boards designed for use with 18650 batteries, suitable for screwdrivers and other applications requiring a 12V battery. Technical specifications Single cell overcharge protection voltage: 4.25 ± 0.05V Single cell overdischarge protective voltage: 2.5 ± 0.25V Overcurrent protection: 40A Charging current: 1-2A Size: 36 x 33.5mm Color: Blue Material: Plastic Package Contents 10 x Lithium Battery Protected Board Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.