- Sku: EFDeltaProUltra-BP-US-1
- Vendor: EcoFlow
EcoFlow DELTA Pro Ultra Battery | 6-90kWh Capacity (EFDeltaProUltra-BP-US)
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EcoFlow DELTA Pro Ultra Battery | 6-90kWh Capacity
Description
The EcoFlow DELTA Pro Ultra Battery is a high-capacity, expandable home energy solution designed for ultimate backup power. With a scalable capacity from 6kWh to 90kWh, it can deliver up to 30 days of essential home backup, perfect for extended outages.
Its modular, space-saving design fits neatly in garages or closets. Featuring 120V & 240V output with up to 21.6kW power when paired with multiple inverters, it easily powers high-demand appliances like central air conditioners. Built to perform in harsh environments, it ensures reliable off-grid power in extreme weather conditions.
Features
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Expandable Energy Storage: Effortlessly boost your DELTA Pro Ultra’s capacity with an additional 6kWh LiFePO4 battery, scalable up to 90kWh for whole-home backup power solutions.
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Reliable Long-Term Backup: One unit provides up to two days of off-grid power, with multiple batteries enabling one-month energy independence.
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Compact, Stackable Design: Save space with a modular, stackable battery system perfect for home or business use.
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Quick Plug-and-Play Setup: Set up in under a minute with seamless integration—requires EcoFlow DELTA Pro Ultra Inverter.
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Secure Installation Support: For 3+ battery packs, request the EcoFlow Fixing Metal Tab to ensure safe, stable stacking.
Additional Information
Specifications
| Category | Specification | Details |
|---|---|---|
| General | Model | EFYJ751-BP |
| Name | Rechargeable Li-ion Battery Pack | |
| Net Weight | 50.7 kg (111.8 lb) | |
| Dimensions (L×W×H) | 660 × 455 × 204 mm (26 × 18 × 8 in) | |
| Capacity | 102.4 V ⎓ 60 A, 6,144 Wh | |
| Battery | Cell Material | LFP (LiFePO₄) |
| Cycle Life | Maintains 80%+ SOH after 3,500 cycles at 0.5C/0.5C, 25 °C (77 °F) | |
| Protection Type | Overvoltage, overload, overtemperature, short circuit, low temperature, low voltage, overcurrent protection | |
| Environmental | Discharging Temperature | −20 °C to 45 °C (−4 °F to 113 °F) |
| Charging Temperature | −20 °C to 45 °C (−4 °F to 113 °F) | |
| Storage Temperature | −20 °C to 45 °C (−4 °F to 113 °F) (Optimum: 20 °C to 30 °C / 68 °F to 86 °F) | |
| Altitude | ≤ 3,000 m (9,842 ft) | |
| IP Rating | IP54 |
In The Box
Warranty
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5-Year Warranty
Documents
FAQs
Q: How long does it take to fully charge the EcoFlow DELTA Pro Ultra Battery?
A: With a maximum input of 6200W, a single battery can be fully charged in approximately 92 minutes. When charging two or more stacked batteries, the system supports up to 8800W, allowing a full charge in about 1 hour and 56 minutes.
Q: Can the EcoFlow DELTA Pro Ultra Battery be charged without the EcoFlow DELTA Pro Ultra Inverter?
A: No. The EcoFlow DELTA Pro Ultra Battery must be connected to the EcoFlow DELTA Pro Ultra Inverter to charge. It is not compatible with third-party inverters.
Q: Is the EcoFlow DELTA Pro Ultra compatible with third-party inverters?
A: No. For optimal performance and safety, the DELTA Pro Ultra system is only compatible with EcoFlow components.
Q: Can I schedule charging for the EcoFlow DELTA Pro Ultra during off-peak hours?
A: Yes, the system allows you to set custom charging times, making it ideal for avoiding peak utility rates.
Q: What Bluetooth versions does the EcoFlow DELTA Pro Ultra support?
A: The battery supports Bluetooth 4.2 and 5.0 for reliable and flexible connectivity.
Q: Can the EcoFlow DELTA Pro Ultra or Smart Home Panel 2 operate without the EcoFlow app?
A: The Smart Home Panel 2 requires the EcoFlow app to function. The DELTA Pro Ultra can operate independently, but app integration is highly recommended for full control and convenience.
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EcoFlow DELTA Pro Ultra Battery | 6-90kWh Capacity (EFDeltaProUltra-BP-US)