EcoFlow DELTA 3 Max 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
Jackery Explorer 1000 costs $350 less. Whether that gap is worth closing depends on what you need to run.
- EcoFlow DELTA 3 Max holds 104% more energy (2048Wh vs 1002Wh), so it runs the same load proportionally longer.
- EcoFlow DELTA 3 Max has 2800W more surge headroom (4800W vs 2000W) — that decides whether a fridge, pump or AC compressor will actually start.
- Jackery Explorer 1000 is 33.1 lb lighter (22 lb vs 55.1 lb).
- EcoFlow DELTA 3 Max uses LiFePO4 while the other uses NMC — roughly double the usable cycle life.
- EcoFlow DELTA 3 Max is rated for 4,000 cycles vs 500 — meaningful if you cycle it daily.
If you plan to cycle the battery daily, think twice about the Jackery Explorer 1000. Its NMC cells are rated for 500 cycles against the LiFePO4 rival's longer life — over years of regular use that's the more expensive unit, whatever the sticker says.
The value leader in the 2kWh class. Same 4800W surge as the DELTA 2 Max at $500 less, with 1000 more cycles.
Best for: Home backup buyers who want compressor-starting surge without paying flagship prices.
Where it falls short:
- 55 lb is a two-hand lift
- Only marginally lighter than heavier rivals
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 Max | Jackery Explorer 1000 |
|---|---|---|
| Price | $1099 | $749 |
| Capacity | 2048 Wh | 1002 Wh |
| Continuous output | 2400 W | 1000 W |
| Surge output | 4800 W | 2000 W |
| Battery | LiFePO4 | NMC |
| Rated cycles | 4,000 | 500 |
| Weight (lighter wins) | 55.1 lb | 22 lb |
| Max solar | 1000 W | 200 W |
| Recharge time (faster wins) | 1h 22m | 1h 42m |
Runtime head-to-head
| Appliance | EcoFlow DELTA 3 Max | Jackery Explorer 1000 |
|---|---|---|
| Refrigerator | 29.0 hrs | 14.2 hrs |
| Mini fridge | 55.3 hrs | 27.0 hrs |
| Chest freezer | 21.8 hrs | 10.6 hrs |
| CPAP machine | 43.5 hrs | 21.3 hrs |
| Sump pump | 2.2 hrs | ❌ |