TYCORUN 36V 50AH LIFEPO4 DEEP CYCLE BATTERY SET FOR SALEName Single Tycorun 12V 50AH environmental protection lithium iron phosphate battery specifications Nominal Voltage 12. 8V Nominal Capacity: 50Ah@0. 2C Energy 640Wh Internal Resistance 60m Cycle Life >4000 Cycles @ 0. 2C Charge Discharge at 100%DOD,End of Life 70% Capacity. Months Self Discharge 3. 5% per month at 25 Charge Voltage 14. 60. 2V Charge Mode CC CV At 0 ~45 temperature, charged to 14. 6V at a constant current of 0. 2C5A, andthen,changed