High Voltage Rechargeable Ground Stacked Lithium Ion Batteries Safety:High protection measures. Each battery module is equipped with aerosol active fire protection module, thermal runaway detection and active fire protection. Flexible: Free assembly of multiple battery modules, 1 PDU supports up to 3-8 battery packs Model  GroundHV-7500 Battery Type LiFePO4 Battery(LFP) Battery Style Ground Stacked Nominal Voltage 144V Nominal Capacity 52Ah Battery Weight 80KG Battery Size 606 x220x730mm Nominal Energy 7.488kWh