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 8 battery modules. Model Ground HV-2500 Battery Type LiFePO4 Battery(LFP) Battery Style Ground Stacked Nominal Voltage 48 V Nominal Capacity 52Ah Battery Weight(Pack|) 23.5KG Battery Size 220 x606x170mm Nominal Energy 2.496kWh