The Extra Battery 2560Wh module is designed specifically for the Flexopower Lithium3000 power station.
Each module adds 2.56kWh of LiFePO4 capacity, and you can connect up to six modules to reach a total system capacity of 17.5kWh for extended home or off-grid backup.
It shares the same rugged aluminium construction and safety protections as the main unit and connects cleanly into the Lithium3000 system.
Specifications
| Battery chemistry | LiFePO4 (Lithium Iron Phosphate), square aluminium case |
|---|---|
| Battery capacity | 2560Wh (51.2V) |
| Output rating | Up to 3500W (70A) when paired with a compatible Lithium3000 |
| Input voltage | 57.6V DC, max 50A |
| Weight | ≈25.2kg |
| Dimensions (L × W × H) | 536 × 270 × 255mm |
| Safety protections |
Short circuit, over-current, over-voltage, low-voltage, overload, over-temperature |
| Operating temperature | 0°C to 45°C |
| Warranty | 2 years |
| Certification | CE, FCC, RoHS, PSE |




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