EcoFlow DELTA 2 Max vs Jackery Explorer 3000 v2
Technical comparison · Home backup
Expandability decides here: the EcoFlow starts at 2 kWh and can grow to 6.1 kWh, while the Jackery has a fixed 3.1 kWh. It matters whether you already know how much runtime you need or prefer to grow in steps. Figures are manufacturer-declared.
| Parameter | ||
|---|---|---|
| Awards | — | |
| In brief | ||
| Nominal capacity | 2.048 kWh | 3.072 kWh |
| Continuous output | 2400 W | 3600 W |
| Peak output | 4800 W | 7200 W |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| Cost per kWh | 585.45 €/kWh | 813.48 €/kWh |
| List price | 1199 € | 2499 € |
| Weight | 23 kg | 27 kg |
| Outlets | ||
| AC outlets | Yes (×4) | Yes (×3) |
| How long it lasts | ||
| Battery life cycles | 1825 cicli | 1095 cicli |
| The limit that runs out first | anni di garanzia | anni di garanzia |
| Rated cycles | 3000 cicli | 4000 cicli |
| Capacity at end of cycle life | 80 % | 70 % |
| Warranty | 5 anni | 3 anni |
| The numbers | ||
| Cost of stored energy | 0.321 €/kWh | 0.743 €/kWh |
| Energy density | 89 Wh/kg | 113.8 Wh/kg |
| Power-to-capacity ratio | 1.17 C | 1.17 C |
| Identity | ||
| Use tier | F2 — Room-sized (1–3 kWh) | F3 — Flat-sized (3–8 kWh) |
| Price | ||
| Price | — | 1481 € |
| Universal specs | ||
| Voltage | 220 V | — |
| Category specs | ||
| Expandable | Yes | No |
| Maximum expanded capacity | 6.144 kWh | — |
| Fastest USB-C | 100 W | 100 W |
| Maximum charge power | 2.4 kW | — |
| 0–80% charge time | 53 min | — |
| Maximum solar input | 1000 W | 1000 W |
| Backup power | EPS (brief interruption) | UPS |
| Switchover time | 20 ms | 20 ms |
| Mounting | Portable | Portable |
| Minimum temperature | -10 °C | — |
| Maximum temperature | 45 °C | — |
| Noise level | — | 27 dB |
| Declared standards | — | UN 38.3, CE |
JouleSpecs Awards
No awards in this tier.
Best value Flat-sized (3–8 kWh)
Best balance of technical score and price among the 3 sheets in the Home backup category (flat-sized tier): list price €1481, technical score 50/100.
How we assign awards →The differences that matter
- Capacity: 2.05 kWh expandable to 6.14 versus a fixed 3.07 kWh → with the EcoFlow you decide the runtime after buying, with the Jackery before.
- 2,400 → 3,600 W continuous: above 2,400 W the EcoFlow is not enough.
- Backup EPS → UPS: the EcoFlow switches over with a brief pause, the Jackery without interruption.
- 5 → 3 years warranty: the EcoFlow stays covered longer.
Which one to choose
Choose EcoFlow DELTA 2 Max if…
you want to start at 2 kWh and expand when needed, with four mains outlets, 0–80% in 53 minutes and a declared operating range of -10 to 45 °C. You accept less peak output, 4,800 W, and a switchover with a brief pause.
Choose Jackery Explorer 3000 v2 if…
you want capacity ready to go, without thinking about expansions: 7,200 W of peak output, three mains outlets, 27 dB declared, UN 38.3 and CE. The price is a capacity that never grows and a shorter warranty.
Where to buy
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The purchase links are the same as on the two product pages and don't influence the verdict. The product pages have the complete data.