ITEM NAME:4S 12V 50A Bms Pcb Protection Board Inverter Ups Battery For Lifepo4 Life K5W4 4S 12V 50A Bms Pcb Protection Board Inverter Ups Battery For Lifepo4 Life 18650 Iron Phosphate Battery Cell With Balance K5W4 Continuous Discharge Current: 50A; Momentary Discharge Current: 150A; Charge Voltage: 12.6V Designed for 4 series cell Li-ion batteries, can be used for ternary batteries, manganese acid batteries and cobalt acid batteries Multiple protective functions including overcharge protection, overdischarge protection and short circuit protection Balance function ensures each battery cell being fully charged at the same time Help prolong the service time of your battery pack Color: green + silver Material: metal + PCB Continuous Discharge Current: 50A Momentary Discharge Current: 150A Charge Voltage: 14.6V Charge Current: 50A Overcharge Detection Voltage: 3.75 ±0.025V Overcharge Protection Delay: 0.5S Overcharge Cancel Voltage: 3.6 ±0.1V Balance Detection Voltage: 3.6 ±0.025V Balance Cancel Voltage: 3.6 ±0.05V Balance Current: 10 ±5mA Over-discharge Detection Voltage: 2.1 ±0.1V Over-discharge Detection Delay: 0.1S Over-discharge Cancel Voltage: 2.3 ±0.1V Overcurrent Detection Voltage: 150mV Overcurrent Detection Delay: 9mS Overcurrent Protection Current: 200 ±30A Protection Cancel