Seplos 12.8V 270Ah 3.5KWh LiFePO4 Battery Pre Assembled And Tested With 10 Year Warranty Energy Storage Backup Battery

US $650.00 / unit

1 unit
10000unit / Month
If you want wholesale price, please do not hesitate to contact us.


 Nominal Capacity 270Ah @0.5C discharge current 25±2℃
 Nominal Voltage 12.8V
 Cell Dimension 460*300*190mm
 Continuously Charge/Discharge Current (A) 100A @25±2℃
 Standard charge/discharge Current (A) 50A @25±2℃
 Cell chemistry Lithium iron phosphate (LiFePO4)
 Net Weight(single cell) 35±2KG
 Standard Charge Current 50A @25±2℃
 Cycle life ≥80% capacity state after 4800 cycles at 0.5C, 25℃, 100% DOD
 Standard Discharge Current 50A @25℃ room temperature



  • Brand New Grade A 3.2V 135Ah aluminum case prismatic cell.
  • Battery cell is made from lithium iron phosphate (LiFePO4) with safety performance and longer cycle life. 
  • BMS has over-discharge, over-charge, over-current, high and low temperature warning and protection functions. 
  • BMS monitors the charge and discharge state, and balance the current and voltage of each cell. 
  • BMS comes with upper computer system for real-time cell and pack voltage, current, temperature, and battery status monitoring and recording. 
  • Flexible configuration, max. 4 packs can be connected in parallel for expanding capacity . 
  • Large working temperature range from -10℃ to 50℃ (Charging 0℃~50℃; discharging -10℃ ~50℃) with excellent discharge performance and cycle life.



lithium phosphate battery packlithium phosphate battery pack