EcoFlow DELTA 3 Max Plus Portable Power Station Review
A 2,048 Wh LFP station with 3,000 W of AC output, 6,000 W surge, four 20 A outlets, 1,000 W of solar and expansion to 10 kWh.
By Watt Versus Editorial· Updated
This page was drafted with AI assistance from manufacturers' specs and manuals, and is checked by our editor.

Our verdict
Our top 2 kWh pick for home backup when you need to run big appliances. If you will carry it often, the lighter Anker SOLIX C2000 Gen 2 is easier to move.
Pros and cons
Pros
- 3,000 W of AC output and 6,000 W surge, more than the 2,400 W of the DELTA 2 Max and SOLIX C2000 Gen 2
- Four 20 A outlets for high-draw appliances
- Expands from 2 kWh to 10 kWh
- Under 10 ms UPS switchover
Cons
- 48.7 lb, heavier than the 41.7 lb Anker SOLIX C2000 Gen 2
- Only one USB-C port above 45 W
- Warranty term is not stated on EcoFlow's product page
Specifications
| Capacity | 2,048 Wh |
|---|---|
| Battery chemistry | LiFePO4 (LFP) |
| AC output | 3,000 W (X-Boost up to 3,800 W) |
| Peak output | 6,000 W surge |
| AC outlets | 4, each rated 20 A |
| USB-C output | 1 x 140 W, plus 2 ports sharing 45 W |
| Wall recharge | 0-80% in 64 minutes (1,800 W AC input) |
| Max solar input | 1,000 W |
| Expandable to | 10 kWh with Smart Extra Batteries |
| Backup switchover | Under 10 ms |
| Weight | 48.7 lb (22.1 kg) |
| Dimensions | 19.4 x 9.5 x 12 in |
Who it suits
Homes that want to run high-draw appliances in an outage: EcoFlow rates the DELTA 3 Max Plus at 3,000 W continuous and 6,000 W surge, with four 20 A outlets. It expands to 10 kWh with Smart Extra Batteries and recharges to 80% in 64 minutes from the wall.
Who should skip it
Campers who carry their station: at 48.7 lb it is heavier than the Anker SOLIX C2000 Gen 2 at 41.7 lb. If 2,400 W is enough, that Anker or the EcoFlow DELTA 2 Max are lighter or cost less to expand.
What we could not confirm
EcoFlow's product page links to its warranty policy but does not state a term for this model, and it gives no cycle-life rating, only an estimate of about 10 years. Weight and dimensions come from EcoFlow's US spec sheet.
Frequently asked questions
- How much can the DELTA 3 Max Plus power?
- EcoFlow rates it at 3,000 W continuous and 6,000 W surge, with X-Boost for devices up to 3,800 W.
- How far can the DELTA 3 Max Plus be expanded?
- From 2,048 Wh up to 10 kWh with EcoFlow Smart Extra Batteries.
- How long does it take to recharge?
- 0-80% in 64 minutes with its 1,800 W AC input, according to EcoFlow. Solar input is up to 1,000 W.
Sources
The specifications and claims on this page come from these manufacturer documents. Figures are the manufacturers' own unless the text says otherwise.
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