Usable Capacity 15KWH Nominal Voltage 51.2V Discharge Voltage Rang 42-56.4V MAX. Charge & Discharge Current 150A MAX. Output Power 7500W Modules Connection 1-6 in parallel Net Weight(kg) 151 KG Product Dimension(MM) 380*563*758MM Product Advantages: 1. Iron Phosphate-lithium Battery Powerwall:95% DOD, More than 2500 cycle times 2. Long warranty period:2 years 3. Higher energy density, smaller volume for the household. 4. Support Connected in parallel mode for expansion (up to 6 pieces). 5. Photovoltaic system: this battery pack is designed for household photovoltaic systems. 6. Battery management system(BMS): the battery pack built-in BMS monitors its operation and prevents the battery from operating outside design limitations. 7. Expandability: this battery pack can be easily expanded by adding expansion battery packs in parallel connection.