A wheeled 3kWh station for home backup or RV use at a lower price than its expandable sibling. Buy it if 3kWh is enough and you charge mostly from the wall.
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
| Battery | |
|---|---|
| Rated capacity | 3,072 Wh |
| Chemistry | LiFePO4 |
| Expandable | No |
| Output | |
| AC output | 3,600 W (7,200 W surge) |
| Boost mode (resistive loads) | 4,600 W |
| AC outlets | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 4 |
| RV 30A outlet (TT-30R) | 1 |
| USB-C ports | 3 (up to 140 W each) |
| USB-A ports | 1 |
| 12 V car outlet | Yes |
| UPS / pass-through | Yes (10 ms switchover) |
| Charging | |
| AC charging | 1,800 W |
| Max solar input | 800 W |
| Build | |
| Weight | 72.1 lb (32.7 kg) |
| Dimensions | 626 x 328 x 395 mm |
| App | EcoFlow app (Wi-Fi and Bluetooth) |
| Warranty | 5 years |
A heavy 3.6kWh station built for home backup that can grow into a 25 kWh system. It still makes sense if you want that expansion path, but newer models give similar capacity for less.
Amazon $1,799 EcoFlow $1,799For homeowners who want 240V backup that can grow into a whole-home battery, and who do not need the extra solar input of the F3800 Plus.
Amazon Anker $2,199.99A wheeled 3.5 kWh LiFePO4 station for RVs, food trucks and home backup at a lower price than the big brands. It is 120V only.
ALLPOWERS $1,899Compare the EcoFlow DELTA 3 Ultra with any other portable power station →
More from EcoFlow: every EcoFlow product ranked.
