The EcoFlow Delta Pro is the most powerful portable power station in EcoFlow’s lineup, and one of the most capable consumer units on the market. With 3,600Wh capacity, 3,600W AC output (7,200W surge), and expandability up to 25kWh, it straddles the line between portable power station and whole-home backup. Here is our detailed review based on specifications and real-world testing.
Specifications
| Spec | EcoFlow Delta Pro |
|---|---|
| Capacity | 3,600Wh (expandable to 25kWh) |
| AC Output | 3,600W continuous (7,200W surge) |
| Weight | 99 lbs (45 kg) |
| Solar Input | 1,600W max |
| AC Charge Time | 1.8 hours (0-80%) |
| Solar Charge Time | 2-4 hours (full sun) |
| Battery Chemistry | LFP (LiFePO4) — 3,500+ cycles |
| Warranty | 5 years |
| Price | $3,699 (base unit) |
What Can It Power?
With 3,600Wh capacity, the Delta Pro can run:
- Refrigerator (150W): 15-20 hours
- TV + lights + router: 30+ hours
- CPAP machine (30W): 80+ hours
- Microwave (1,000W): ~2 hours
- Electric kettle (1,500W): ~1.5 hours
- Well pump (1/2 HP): 3-5 hours
When paired with a second Delta Pro (via the Smart Home Panel or Double Voltage Hub), total capacity reaches 7,200Wh — enough to run most home essentials for 1-3 days.
Build Quality and Design
The Delta Pro is heavy at 99 lbs, but the design makes moving it manageable. It has two handles, a rugged IP20-rated body, and built-in wheels are available with the optional cart. The front panel is well organized with clearly labeled ports, an easy-to-read LCD display, and physical power buttons.
Charging Speed
The standout feature is X-Stream fast charging: 0-80% in under 2 hours from a standard wall outlet. This is significantly faster than competitors like the Goal Zero Yeti 3000X (8+ hours) and most Jackery units. Solar charging at 1,600W max input means you can recharge fully in about 2-4 hours with sufficient panels.
Connectivity and App
The EcoFlow app (iOS/Android) provides real-time monitoring of power usage, battery level, and charging status. It also allows remote on/off control and firmware updates. The app works well via WiFi and Bluetooth. One limitation: there is no built-in cellular modem for remote monitoring when the unit is not connected to your home network.
Pros and Cons
Pros: Fastest charging in its class, LFP battery (3,500+ cycles), expandable up to 25kWh, excellent app, Smart Home Panel integration for whole-home backup
Cons: Very heavy (99 lbs), expensive price point, no built-in MPPT spec published for expansion batteries, fan noise can be noticeable under heavy load
Verdict
The EcoFlow Delta Pro is the best option for anyone who needs serious backup power capacity in a portable format. It excels for home backup, RV living, and any use case where 15+ hours of refrigerator runtime is required. If you only need occasional camping power, a smaller unit like the Delta 2 or Jackery 1000 will save you significant money and weight.
Rating: 9/10 — Best for home backup and heavy use