EcoFlow DELTA Pro Ultra Battery 6kWh
Short Product Description
The EcoFlow DELTA Pro Ultra Battery is a high-capacity 6,144Wh (6.14kWh) LiFePO₄ (LFP) extra battery designed to expand the energy storage capacity of the EcoFlow DELTA Pro Ultra system. It is ideal for whole-home backup, solar energy storage, businesses, offices, RVs and off-grid applications.
One DELTA Pro Ultra battery provides 6.14kWh of additional energy storage, while the system can be expanded by connecting up to five batteries for 30.72kWh of capacity. EcoFlow Nigeria
Key Benefits
- 6.14kWh High Capacity – Store more energy for longer backup periods.
- Expandable Storage – Add up to five batteries to reach approximately 30.7kWh with one DELTA Pro Ultra system.
- LFP Battery Chemistry – Provides excellent durability, safety and long-term performance.
- 3,500+ Cycle Life – Maintains at least 80% state of health after 3,500 cycles under EcoFlow’s specified test conditions.
- IP54 Protection – Protection against dust and water splashes when the ports are properly covered.
- Whole-Home Backup – Designed to provide extended energy storage for residential backup systems.
- Solar Energy Storage – Works as part of a DELTA Pro Ultra solar power system.
- Smart Energy Ecosystem – Integrates with the DELTA Pro Ultra system for intelligent energy management.
- Hot-Swappable Design – EcoFlow states that compatible battery packs can be removed without interrupting output when multiple batteries are connected, provided the battery connected to the inverter is not removed. EcoFlow Nigeria
Technical Specifications
| Specification | Details |
|---|---|
| Product | EcoFlow DELTA Pro Ultra Battery |
| Capacity | 6,144Wh / 6.14kWh |
| Battery Chemistry | LiFePO₄ (LFP) |
| Nominal Voltage | 102.4V |
| Model | EFYJ751-BP |
| Cycle Life | 3,500+ cycles to 80%+ SOH |
| Expandable Capacity | Up to 30.72kWh with 5 batteries |
| Protection Rating | IP54 |
| Weight | 50.7kg |
| Dimensions | 660 × 455 × 204mm |
| Charging Temperature | -20°C to 45°C |
| Discharging Temperature | -20°C to 45°C |
| Maximum Altitude | 3,000m |
These specifications are from EcoFlow’s current product information. EcoFlow Nigeria
Important Compatibility
The DELTA Pro Ultra Battery is an expansion battery, not a standalone power station. It is designed to work with the EcoFlow DELTA Pro Ultra system and must be charged through the DELTA Pro Ultra inverter. EcoFlow Nigeria
Why Choose the DELTA Pro Ultra Battery?
If you already have a DELTA Pro Ultra and need longer backup time, adding an extra battery significantly increases your available energy storage without replacing your existing inverter.
For example:
1 Battery: 6.14kWh
2 Batteries: 12.29kWh
3 Batteries: 18.43kWh
4 Batteries: 24.58kWh
5 Batteries: 30.72kWh
