EcoFlow DELTA Pro Ultra Battery — 6.1kWh Expansion Module
The EcoFlow DELTA Pro Ultra Battery is the official expansion module for the DELTA Pro Ultra, adding 6.1kWh of scalable LiFePO₄ storage to your home backup system. Built with long-life lithium iron phosphate cells (3500+ cycles to 80% capacity), this 50.8 kg module provides secure, durable energy storage designed to last for years. Multiple safety protections — including over-voltage, overload, and temperature safeguards — make it a reliable choice for Irish homes.
Whether you want longer backup during outages, extra solar storage, or peace of mind for off-grid living, the DELTA Pro Ultra Battery expands your system with ease.
6-30kWh Capacity
Take home power dependability to another level with up to 30kWh battery capacity. For a standard household, that’s weeks of essential backup power to keep lights and appliances, like your fridge, running strong (time may vary). Stackable and space-saving, it packs comfortably into a garage or utility cupboard.
* Backup time depends on the appliances used
What’s in the box: 1. EcoFlow DELTA Pro Ultra Battery, 2. EcoFlow Battery Connection Cable (DELTA Pro Ultra) – 0.2 M, 3. Safety Guide.
| Product | EcoFlow DELTA Pro Ultra Battery |
| Size | 66.0 cm (L) x 45.5 cm (W) x 20.4 cm (H) |
| Weight | 50.8 Kg |
| Battery Type | LFP (LiFePO4 battery) |
| Battery Cycles | 3500 cycles to 80%+ capacity |
| Cell Specification | 20Ah, 3.2V |
| Battery Capacity in Wh | 6144 Wh, 102.4V, 60A |
| Waterproof | No, IP54 |
| Temperature | Discharging temp: −20°C to 45°C (−4°F to 113°F) Charging temp: −20°C to 45°C (−4°F to 113°F) Storage temp: −20°C to 45°C (−4°F to 113°F) (optimum: −20°C to 45°C(68°F to 86°F)) |
| Protection Type | Over-Voltage, Overload, Over-Temperature, Short-Circuit, Low-Temperature, Low-Voltage, Overcurrent |
