EcoFlow · Batteries
EcoFlow DELTA Pro Ultra Extra Battery (6144 Wh)
$2,208.99Works with
DELTA Pro Ultra, DELTA Pro Ultra Inverter, and Ultra X
Required for the DELTA Pro Ultra Inverter, which ships without a battery. On a complete DELTA Pro Ultra it adds another 6,144 Wh, up to 30,720 Wh across five batteries. LiFePO4 cells hold 80% capacity after 3,500 cycles. Plug-and-play stacking with no tools, IP54 dust/splash rating, and a connection cable included.
Use
What it adds
Required for the DELTA Pro Ultra Inverter, which ships without a battery. On a complete DELTA Pro Ultra it adds another 6,144 Wh, up to 30,720 Wh across five batteries. LiFePO4 cells hold 80% capacity after 3,500 cycles. Plug-and-play stacking with no tools, IP54 dust/splash rating, and a connection cable included.
Compatibility
Product details
- Brand
- EcoFlow
- Category
- Batteries
- Compatible with
- DELTA Pro Ultra, DELTA Pro Ultra Inverter, and Ultra X
- Weight
- 111.8 lb / 50.7 kg
- Dimensions
- 660 × 455 × 204 mm (26 × 18 × 8 in)
- Model
- EFYJ751-BP
- Capacity
- 102.4V⎓60A, 6,144 Wh
- Operating temperature
- -20°C to 45°C (-4°F to 113°F)
- Altitude
- < 3,000 m
Highlights
Why it's worth it
- Required for the DELTA Pro Ultra Inverter, which is sold without a battery
- 6,144 Wh per module — stack up to five batteries for 30,720 Wh of whole-home backup
- LFP (LiFePO4) cells rated for 10,000+ cycles, with overvoltage, overload, overtemperature, short-circuit, low-voltage and low-temperature protection
- IP54 dust/splash rating with built-in heaters for reliable operation down to -20°C (-4°F)
- Plug-and-play stacking in under a minute — no tools, no loose cables
- Pairs with EcoFlow Smart Home Panel 3 and Smart Gateway for automated whole-home backup
In the box
What's included
- EcoFlow DELTA Pro Ultra Battery
- EcoFlow Battery Connection Cable (0.2 m / 7.9 in)
- User Manual & Safety Guide
- Warranty Card
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