4S 16.8V 40A Lithium Battery Protection Board Li-On Battery Charger Module, 501 Original

Specifications:Scope of application: nominal voltage 3.6V, 3.7V lithium battery (including 18650, 26650, polymer lithium battery)Product size: 45 * 55 * 3.4mm/1.77*2.17*0.13\" (standard version)Product weight: 9.8g (standard)Charging voltage: 16.8V - 18.1VContinuous discharge current (upper limit): 40A (If the cooling environment is not good, please reduce the load current)Continuous charging current (upper limit): 20ANote:1. The successful start of the drill requires four 10C-20C power batteries, or eight 5-10C power batteries, 0V 12.6V cable, and more than 3 square millimeters of copper wire (can not use nickel).2. Strictly follow the wiring 0V, 4.2V, 12.6V, 16.8V, do not touch any components when welding the wire, do not intentionally short circuit.Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow slight measuring deviation due to manual measurement.1 X Lithium Battery Charger Protection Board