Fuhjythy 4S Lithium Battery Protection Board 12.8V 120A Lithium Iron Phosphate Battery Charger Protection Board for Lifepo4

4, safety protection absorbs anti-high voltage, reduces MOS tube breakdown, ultra-low internal resistance MOS 3,Stable heat dissipation, stable heat dissipation of the aluminum substrate, 1,Overcharge and discharge protection to prevent overcharge and discharge of the battery. Overcurrent protection to prevent abnormal high current of battery 2,Balance protection, battery voltage balance, make battery life longer 5,Suitable for most electric tools on the market, electric scooters, electric bicycles, electric tricycles, electric motorcycles, electric vehicles, electric tools, etc.