Genuine Ziewnic lithium battery, LITHIUM BATTERY POWER BANK 25.6V 280AH, built with LiFePO4 cells for solar energy storage. Key specs: Case design: Floor Standing / Wall Mount. Battery Type: LiFePO4. Normal Battery Voltage (VDC): 25.6V. Normal Capacity (Ah): 280A. Normal Capacity (WH): 7168WH.