The EcoFlow Delta 3 Ultra is a high-capacity 3072Wh portable power station designed for extended home backup, RV use, and powering demanding appliances. It delivers 3600W continuous AC output (7200W surge) with X-Boost support up to 4600W, making it capable of running heavy-duty devices such as refrigerators, electric tools, and multiple household essentials simultaneously.
Powered by durable automotive-grade full-tab LFP (LiFePO4) cells for long cycle life and around 10 years of reliable performance, it features fast AC charging to 80% in approximately 89 minutes, up to 800W solar input, a quiet operation as low as 25dB, and a 10ms UPS switchover for seamless power during outages. With multiple AC outlets (including a 30A option on some versions), high-power USB-C ports, app control via OASIS 3.0 with Storm Guard mode, and options for home integration via transfer switch, the UK/EU-compatible DELTA 3 Ultra provides robust, portable energy storage for users needing substantial capacity and output in a single unit.
Key Features
High 3072Wh Capacity
The DELTA 3 Ultra provides a substantial 3072Wh battery capacity, offering extended runtime for powering multiple devices and appliances during prolonged outages or off-grid scenarios. This makes it suitable for whole-home essentials or demanding outdoor use.
Powerful 3600W Output
It delivers 3600W of continuous pure sine wave AC power with a 7200W surge capacity. X-Boost technology supports devices up to 4600W, allowing it to handle heavy-duty appliances such as refrigerators, tools, and multiple household loads at once.
Fast Charging Options
The unit reaches 80% charge in approximately 89 minutes via AC wall power. It also supports solar input up to 800W, car charging, and generator options for flexible recharging in various environments.
Long-Lasting LFP Battery
Equipped with automotive-grade full-tab LiFePO4 cells, the battery is designed for thousands of cycles and around 10 years of reliable performance. This chemistry ensures cooler operation, higher efficiency, and strong safety characteristics.
Quiet UPS and Smart Features
With noise levels as low as 25dB under typical loads and a 10ms automatic switchover, it functions as a quiet uninterruptible power supply. App control via OASIS 3.0 includes Storm Guard mode and other intelligent energy management tools.
What’s in the Box
- Powerstation
- AC Power Cord
- User Manual
FAQs
What is the capacity and power output of the DELTA 3 Ultra?
It features a 3072Wh battery capacity and delivers 3600W of continuous AC power with a 7200W surge. X-Boost technology supports compatible devices up to 4600W, making it suitable for heavy-duty appliances and multiple loads.
How fast does the DELTA 3 Ultra charge?
Using AC wall power, it can reach 80% charge in approximately 89 minutes. It also supports solar input up to 800W, along with car and generator charging options for flexible recharging.
Is the battery expandable?
No. The DELTA 3 Ultra has a fixed 3072Wh capacity and does not support additional expansion batteries. It is designed as a high-capacity standalone unit.
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