EcoFlow DELTA 3 1500 vs Jackery Explorer 3000 v2
Technical comparison · Home backup
Two home batteries of different size: 1.5 kWh that can be expanded against 3 kWh in a single block. What matters is whether you need more power from day one or the option to add capacity later.
| Parameter | ||
|---|---|---|
| Awards | — | |
| In brief | ||
| Nominal capacity | 1.536 kWh | 3.072 kWh |
| Continuous output | 1800 W | 3600 W |
| Peak output | 3600 W | 7200 W |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| Cost per kWh | 845.7 €/kWh | 813.48 €/kWh |
| List price | 1299 € | 2499 € |
| Weight | — | 27 kg |
| Dimensions (W×D×H) | 21.3 × 39.8 × 28.15 cm | — |
| 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 | 70 % | 70 % |
| Warranty | 5 anni | 3 anni |
| The numbers | ||
| Cost of stored energy | 0.463 €/kWh | 0.743 €/kWh |
| Energy density | — | 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 | 1299 € | 1481 € |
| Category specs | ||
| Expandable | Yes | No |
| Maximum expanded capacity | 5.5 kWh | — |
| Fastest USB-C | 100 W | 100 W |
| Maximum charge power | 1.5 kW | — |
| 0–80% charge time | 60 min | — |
| Maximum solar input | 500 W | 1000 W |
| Backup power | UPS | UPS |
| Switchover time | 15 ms | 20 ms |
| Ingress protection | IP54 | — |
| Mounting | Portable | Portable |
| Noise level | 45 dB | 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
- Continuous output 1,800 W vs 3,600 W → the first handles one heavy load at a time, the second two together.
- Solar input 500 W vs 1,000 W → the second has twice the capacity and twice the input, so refilling from the sun takes about the same, roughly three hours of full sun.
- Noise 45 dB vs 27 dB → the second is declared much quieter, which matters if it sits near where you live.
- Warranty 5 years vs 3 → the first is covered for longer.
Figures are declared by the manufacturer.
Which one to choose
Choose EcoFlow DELTA 3 1500 if…
you want to start with a smaller unit and add batteries later, up to 5.5 kWh; charging from 0 to 80% is declared at one hour. The trade-off is power, which is half of the other unit's.
Choose Jackery Explorer 3000 v2 if…
you want two heavy loads at once, or a high starting surge of up to 7,200 W, and the unit will sit in a room where people live. It weighs 27 kg and does not expand: the capacity is what you get on day one.
Where to buy
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