Dyness PowerBox G2 | 10.24kWh | 51.2V LiFePO4 Battery 10.24kWh nominal capacity with 9.73kWh usable energy Expandable up to 50 batteries in parallel Automatic self-heating for charging at temperatures down to -20°C Maximum discharge current of 200A IP66-rated for indoor or outdoor installation 10-year warranty Overview The Dyness PowerBox G2 is a 51.2V low-voltage LiFePO4 battery designed for residential energy storage, off-grid power and back-up applications. Each battery provides 10.24kWh of nominal storage capacity and 9.73kWh of usable energy. Its slim 165mm-deep enclosure can be installed indoors or outdoors. The system can be expanded from one battery to as many as 50 units in parallel, providing total storage capacity from 10.24kWh to 512kWh. The PowerBox G2 is compatible with a wide range of off-grid and hybrid inverters. Its integrated battery management system communicates through CAN or RS485 and manages each battery independently. Key features Expandable storage: Connect between 1 and 50 PowerBox G2 batteries in parallel, without requiring an additional communications hub. Adding capacity later: Additional batteries can be incorporated after the initial installation. When batteries are connected in parallel, only one battery requires a firmware upgrade and the remaining batteries can be upgraded automatically. Automatic self-heating: The optional heating function allows the battery to charge at temperatures down to -20°C and operate between -20°C and 55°C. High discharge capability: Recommended charge and discharge current of 100A, with a maximum discharge current of 200A. Integrated safety protection: Smart fire-suppression system with a five-second response time and automatic pressure relief. LiFePO4 chemistry: Uses lithium iron phosphate cells for stable operation and long service life. Broad inverter compatibility: Compatible with numerous established off-grid and hybrid inverter brands. Compatibility should be checked before ordering. Indoor or outdoor installation: IP65-rated enclosure, subject to the installation requirements in the user manual. Warranty: Supplied with a 10-year warranty and stated design life of 6,000 cycles. Typical applications Residential solar-energy storage Off-grid homes and buildings Back-up power systems Hybrid solar installations Small commercial energy-storage systems Systems requiring additional battery capacity later Technical specifications Battery model: Dyness PowerBox G2 Battery chemistry: LiFePO4 Nominal capacity: 10.24kWh Usable energy at 95% depth of discharge: 9.73kWh Nominal voltage: 51.2V Operating-voltage range: 44.8–57.6V Recommended charge and discharge current: 100A Maximum discharge current: 200A Depth of discharge: 95% Communication interfaces: RS485 and CAN Expansion: Up to 50 batteries in parallel Total supported capacity: 10.24–512kWh Dimensions: 710 × 165 × 640mm Net weight: 99kg Charging-temperature range: 0°C to 55°C, or -20°C to 55°C with the heating function Discharging-temperature range: -20°C to 55°C Ingress protection: IP66 for indoor or outdoor installation, subject to the user-manual installation conditions Certifications: IEC 62619, IEC 60730, IEC 62040, EN 62477, UKCA and VDE 2510 Cycle Life: At least 8,000 cycles / 10 years Warranty: 10 years Shipping information Delivery is normally available within 2–3 working days across the UK. Longer delivery times may apply to the Scottish Highlands, islands and Northern Ireland. UK expert support and product advice Please check that the PowerBox G2 is approved for use with your preferred inverter before ordering. The current Dyness inverter compatibility list is given below. Battery cables, overcurrent protection and isolation equipment must be selected for the complete system design. For compatibility or system-design advice, call Energian on 020 8064 0335 or email [email protected]. Documents available for download Dyness PowerBox G2 datasheet Dyness PowerBox G2 user manual Dyness compatible inverter list
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