the Lord of Tools 2 Pack LiFePo4 BMS 4S 30A 12.8V Battery Balancing Board PCB 18650 Suitable for Electric Motorcycles

LiFePo4 BMS 4S 30A 12.8V protection board is applicable to electric bicycles, electric motorcycles, energy storage devices, starter power supplies and various electronic devices that use LiFePo4 batteries, such as mobile power sources and some 3C products. The main function of this protective board is to protect and manage the battery. It has a balancing function and can avoid overcharging, overcharging, over-current and short circuit, thereby extending the battery life and ensuring the safety of use. The initial charging voltage should not exceed 12.8V. Once the batteries are confirmed to work properly, the charging voltage can be slightly increased while monitoring the battery performance, up to a maximum of 14.8V. If the battery voltage exceeds 3.8V during charging, the battery is probably faulty and needs to be replaced (i.e. battery capacity and internal resistance are important). Before connecting the batteries to BMS, please make sure the voltage of each battery is the same. If not, please charge each battery separately.