DALY BMS 4S 12V LiFePO4 Battery Protection Module PCB Protection Board with Balance Leads BMS for 18650 Battery Pack 12V

Over current protection—18650 LiFePO4 battery pack will stop charging and will stop discharging when current reach to the point. Over-charge over-discharge protection—18650 LiFePO4 battery pack will stop charge when a single cell voltage reaches 3.75V and stop discharge when its voltage reaches 2.2V. Temperature protection—low temperature -7°C battery protection and high temperature 70°C discharging battery protection. Tracking information available. What You Will Get–Lifepo4 4S 12V Common Port BMS+Balance Wire+Temperature Probe+English Wiring Instruction