EcoFlow DELTA 3 vs Jackery Explorer 1000
Side-by-side on the specs that decide it — surge, capacity, runtime and price.
Both models' specs verified against manufacturer listings · Last updated
The short answer
EcoFlow DELTA 3 costs $100 less. Whether that gap is worth closing depends on what you need to run.
- EcoFlow DELTA 3 holds 2% more energy (1024Wh vs 1002Wh), so it runs the same load proportionally longer.
- EcoFlow DELTA 3 has 1600W more surge headroom (3600W vs 2000W) — that decides whether a fridge, pump or AC compressor will actually start.
- Jackery Explorer 1000 is 6.7 lb lighter (22 lb vs 28.7 lb).
- EcoFlow DELTA 3 uses LiFePO4 while the other uses NMC — roughly double the usable cycle life.
- EcoFlow DELTA 3 is rated for 4,000 cycles vs 500 — meaningful if you cycle it daily.
We'd skip the Jackery Explorer 1000 in this matchup. It costs $100 more than the EcoFlow DELTA 3 while matching or trailing it on capacity, surge and cycle life — there's no spec here that justifies the premium.
The 1kWh class got a serious upgrade here. 3600W surge at $649 beats the older DELTA 2 on every axis that matters.
Best for: Anyone about to buy a DELTA 2 — this is the same money for materially better specs.
Where it falls short:
- Still only 1024Wh
- Solar input unchanged at 500W
The original Explorer 1000 — light and popular, but its Li-ion cells are rated for only ~500 cycles, a fraction of the LiFePO4 v2 that replaced it.
Best for: Occasional users who find it much cheaper than the v2.
Where it falls short:
- ~500 cycles vs 4,000 for the v2
- 1,000W output and 200W solar input
| Spec | EcoFlow DELTA 3 | Jackery Explorer 1000 |
|---|---|---|
| Price | $649 | $749 |
| Capacity | 1024 Wh | 1002 Wh |
| Continuous output | 1800 W | 1000 W |
| Surge output | 3600 W | 2000 W |
| Battery | LiFePO4 | NMC |
| Rated cycles | 4,000 | 500 |
| Weight (lighter wins) | 28.7 lb | 22 lb |
| Max solar | 500 W | 200 W |
| Recharge time (faster wins) | 56 min | 1h 42m |
Runtime head-to-head
| Appliance | EcoFlow DELTA 3 | Jackery Explorer 1000 |
|---|---|---|
| Refrigerator | 14.5 hrs | 14.2 hrs |
| Mini fridge | 27.6 hrs | 27.0 hrs |
| Chest freezer | 10.9 hrs | 10.6 hrs |
| CPAP machine | 21.8 hrs | 21.3 hrs |
| Sump pump | 1.1 hrs | ❌ |