Wattcycle 12V 50Ah LiFePO4 Battery 12V for Solar 640Wh BMS Grade A+ cells 15000+ CycleLife Lithium iron phosphate

Know Every Part of the BatteryMain Features SummaryGeneral Internal Resistance: ≤40mΩ Dimensions:L19.5 x W13.0 x H17.0  Weight: 11.46lbs（5.2kg）  Waterproof Rating: IP65 Housing Material: ABS (Flame Retardant Plastic) Terminal: M8 bolts Battery Cell: Grade A+ LiFePO4 Cells Energy: 640Wh Cycle Life: 5,000 cycles @100% DOD ~ 15,000 cycles @0% DOD Max. Expansion: 4S4P BMS: 50A Max. Cont. Output Power：640W Max. Cont. Charge/Discharge Current: 50A Max. Discharge Current (5s): 100A±50A Low-temp Protection: Yes (32℉/0℃) Low-temp Auto Recovery: Yes (41℉/5℃) Start Your Trip with the Safe & Reliable BatteryTech SpecsGENERAL Dimensions (Inches) 7.7 (L) x 5.1 (W) x 6.7 (H)  Weight 11.4lbs / 5.2kg Waterproof Rating IP65 Warranty 5 years Housing Material ABS (Flame Retardant Plastic) Terminal M8 bolts BATTERY Cell EV Grade A+ LiFePO4 Cells Nominal Voltage 12.8V Nominal/Usable Capability 50Ah Energy 640Wh Cycle Life 5,000 cycles @100% DOD, 6,000 cycles @80% DOD, 15,000 cycles @60% DOD Max Depth of Discharge (DOD) 100% Max. Expansion 4S4P Internal Resistance ≤40mΩ BMS BMS 50A Max. Continuous Output Power 640W Max. Continuous Charge Current 50A Max. Continuous Discharge Current 50A CHARGE Charge Voltage 14.6V ± 0.2V Charge Method CC/CV Recommend Charge Current 10A (0.2C) Charge Temperature 0℃ to 50℃ / 32℉ to 131℉ Discharge Temperature： -20℃ to 55℃ / -4℉ to 131℉ Storage Temperature 0℃ to 55℃ / 32℉ to 131℉ Low-Temperature Protection Yes (32℉/0℃) Low-Temperature Charging Protection Auto Recovery Yes (41℉/5℃)