A 1 kWh-class unit built around fast charging and expandability. This page summarizes EcoFlow's published specs as of Oct 17, 2026. It is not a hands-on review.
Published specs
| Capacity | 1,024 Wh, LiFePO4, 4,000 cycles to 80%+ |
|---|---|
| AC output | 6 outlets, 1,800 W total, 3,600 W surge; X-Boost up to 2,200 W for resistive devices |
| Other outputs | 2 × USB-C (140 W max), 2 × USB-A (36 W), 12 V car port (126 W), 2 × DC5521 |
| AC charging | 1,500 W; 0–100% in ~56 min (maker's figure) |
| Solar | 2 inputs, 11–60 V, up to 500 W each |
| Car charging | Standard 12 V socket, or up to 800 W with EcoFlow's separately sold alternator charger |
| Expandability | Up to ~5 kWh with compatible EcoFlow extra batteries |
| UPS switchover | <10 ms |
| Weight / size | 27.6 lb; 16 × 8.0 × 11 in |
| Battery pack rating | IP65 (battery pack) |
| Charging temperature | unverified |
| Warranty | 5 years |
| Price | Check price on Amazon |
Who it fits, on paper
- Van and RV owners who drive a lot. With the optional 800 W alternator charger, it can refill from the engine much faster than a 12 V socket allows (roughly 100–120 W).
- People who want to start small and grow. The extra-battery path lets a 1 kWh unit become a multi-kWh outage system later.
- Solar-heavy setups. Two 500 W solar inputs (1,000 W total) is more solar input than the other ~1 kWh units in our table.
Trade-offs to weigh
- Cost per Wh. When we checked on Oct 17, 2026, it typically cost more per watt-hour than the BLUETTI AC180 (1,152 Wh) and Jackery Explorer 1000 v2 (1,070 Wh). Sale prices change weekly, so compare current prices before buying.
- Expansion costs extra. Extra batteries and the alternator charger are separate purchases.
- Cold charging limits. We couldn't find a published charging-temperature range on the product page. Like other LiFePO4 units, expect restrictions below freezing and check the manual.
Compare it
| Model | Capacity | AC output | Surge | Weight | AC recharge | Solar input | Charging temp | Battery | Price |
|---|---|---|---|---|---|---|---|---|---|
| Jackery Explorer 1000 v2 | 1,070 Wh | 1,500 W | unverified | unverified | Full in ~1 h (app emergency mode) | unverified | unverified | LiFePO4 | Check price on Amazon spec source |
| BLUETTI AC180 | 1,152 Wh | 1,800 W | 2,700 W | 35.3 lb | 1,440 W (turbo) | 500 W max, 12–60 V Voc | 32–104°F | LiFePO4 | Check price on Amazon spec source |
| EcoFlow DELTA 3 Plus | 1,024 Wh | 1,800 W | 3,600 W | 27.6 lb | 1,500 W (0–100% in ~56 min, maker's figure) | 2 × 500 W, 11–60 V | unverified | LiFePO4 | Check price on Amazon spec source |
Not sure what size you need? List your devices in the sizing calculator. It shows watt-hours, output, and surge, and which models in our comparison fit.