EcoFlow DELTA Pro Ultra Whole-Home Backup Battery
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Need Reliable Power for Every Room? The EcoFlow DELTA Pro Ultra Whole-Home Backup Battery Has the Answer
The EcoFlow DELTA Pro Ultra Whole-Home Backup Battery is built to give your home true energy independence. With massive storage, serious output, and multiple charging options, it’s the kind of system that makes power outages a thing of the past. Whether you want backup for peace of mind or a full solar-integrated solution, the DELTA Pro Ultra is ready to deliver.
Starting with an impressive 30kWh of capacity, the DELTA Pro Ultra Backup Battery can keep the essentials in a standard home running for more than 30 days. Lights, fridges, and other key appliances stay powered, no matter how long the outage lasts. The stackable, space-saving design means you can fit it neatly into a garage or utility room without taking up too much space.
With a 6.9kW output, the DELTA PRO Whole-Home Backup Battery can run even the most power-hungry household items, including a 3-ton central air conditioner. Add in EcoFlow’s High and Low-PV technology and you get record-breaking solar input of 5.6kW. Whether you use rooftop panels or a portable solar setup, you’ll be tapping into clean, renewable energy while reducing reliance on the grid.
Key Features of the DELTA Pro Ultra Whole-Home Backup Battery
- The only portable power station with both UL1973 and UL9540 safety certifications, offering extreme reliability for home use.
- 6kWh-30kWh capacity, whole house backup for weeks of comfort.
- 6900W AC output, sufficient for whole-home use.
- 5 charging options, even plan B has a plan B.
- Fastest charging speed with 8800W multicharge, one battery (6 kWh) can be 80%. recharged in 1 hour and 13 mins.
- Smart App control.
Flexibility is a big part of what makes the DELTA Pro Ultra special. You can charge from solar, the grid, a gas generator, or even an EV charging pile. With the industry’s fastest charging speeds of 8800W, two batteries can be fully topped up in just 2 hours. That means you spend less time waiting and more time enjoying uninterrupted power.
EcoFlow X-Cooling
Boost Performance with BMS
The DELTA Pro Ultra also works as an online UPS (Uninterruptible Power Supply). It keeps your sensitive electronics, like computers and servers, protected with a seamless switchover during outages. For lighter loads under 2000W, it runs completely silent, so you can enjoy backup power without the hum of a generator in the background.
DELTA Pro Ultra Whole-Home Backup Battery Specifications
| Capacity | 6144Wh |
| Expanable Capacity | 30kWh (5 x DPU Battery) |
| AC Output | 6900W |
| DC Output | USB-A*2: 5V=2.4A, 12W *2 USB-C*2: 5V/9V/12V/15V/20V=5A, 100W Max *2 Anderson Port: 12.6V, 30A, 378W Max |
| AC Charging Input | 220-240V~30A 50/60Hz |
| Solar Charging Input | Total 5600W High-PV Input: 80-450V/15A, 4000W Max Low-PV Input: 30-150V/15A, 1600W Max |
| UPS | Backup UPS <20 ms |
| Connection | Bluetooth & Wi-Fi & 4G |
| Protection Level | IP54 |
| Inverter Dimension | 690 x 481 x 214 mm |
| Inverter Net Weight | 32.1kg |
| Battery Net Weight | 52.7kg |
| Battery Chemistry | LFP |
| Operating Temperature | Charging Temperature: –20°C-45°C (Turn on self-heating below 0°C, no derating below 40°C) Discharging Temperature: –20°C-45°C |
| Warranty | 5 years |
Operating temperatures: -20°C to 45°C
IP54 dustproof and splashproof
Built for all conditions, the DELTA Pro Ultra keeps working in extreme weather and freezing temperatures. When installed with a transfer switch by a licensed professional, it automatically powers your essential home circuits within 1–2 seconds of the grid going down. That kind of reliability makes it more than just a backup – it’s long-term peace of mind.
What's in the box of DELTA Pro Ultra Whole-Home Backup Battery?
