4S Lithium Battery Protections Board 12 V 100A High Current Practical Lithium Iron Phosphate Battery Protections Board with Balance

Features:
Heat dissipation aluminum sheet is larger and thicken the copper skin of the circuit, so the service time will be longer.
Balance Function: This battery protections board has balance which can ensure every battery cell will be fully recharged.
Adopting high withstand voltage MOS tube which has the characteristics of high conduction, low internal resistance and long service time.
Portable size and easy to carry, you can share this tool with your friends or families.
Wide Applications: This tool can be used for 12 V inverter back, gasoline car emergency, motorcycle start, power tools and other lithium battery packs.