EcoFlow DELTA 2 Max vs EcoFlow DELTA 3 Max Plus
Technical comparison · Home backup
Same 2.048 kWh capacity and same chemistry: the choice is between more power and a longer warranty. DELTA 3 Max Plus delivers 3,000 W continuous with a 10 ms switchover; DELTA 2 Max stops at 2,400 W but carries five years of warranty instead of three. Figures are manufacturer-declared.
| Parameter | ||
|---|---|---|
| In brief | ||
| Nominal capacity | 2.048 kWh | 2.048 kWh |
| Continuous output | 2400 W | 3000 W |
| Peak output | 4800 W | 6000 W |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| Cost per kWh | 585.45 €/kWh | 731.93 €/kWh |
| List price | 1199 € | 1499 € |
| Weight | 23 kg | 22.1 kg |
| Dimensions (W×D×H) | — | 49.4 × 24.2 × 30.5 cm |
| Outlets | ||
| AC outlets | Yes (×4) | Yes (×4) |
| USB-C ports | — | Yes (×3) |
| USB-A ports | — | Yes |
| 12 V outputs | — | Yes (×2) |
| 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 | — |
| Capacity at end of cycle life | 80 % | — |
| Warranty | 5 anni | 3 anni |
| The numbers | ||
| Cost of stored energy | 0.321 €/kWh | 0.668 €/kWh |
| Energy density | 89 Wh/kg | 92.7 Wh/kg |
| Power-to-capacity ratio | 1.17 C | 1.46 C |
| Identity | ||
| Use tier | F2 — Room-sized (1–3 kWh) | F2 — Room-sized (1–3 kWh) |
| Price | ||
| Price | — | ~1000–2200 € |
| Universal specs | ||
| Voltage | 220 V | — |
| Category specs | ||
| Expandable | Yes | Yes |
| Maximum expanded capacity | 6.144 kWh | 10 kWh |
| Fastest USB-C | 100 W | 140 W |
| Maximum charge power | 2.4 kW | 2.3 kW |
| 0–80% charge time | 53 min | 68 min |
| Maximum solar input | 1000 W | 1000 W |
| Backup power | EPS (brief interruption) | UPS |
| Switchover time | 20 ms | 10 ms |
| Ingress protection | — | IP20 |
| Mounting | Portable | Portable |
| Minimum temperature | -10 °C | -10 °C |
| Maximum temperature | 45 °C | 45 °C |
| Noise level | — | 25 dB |
The differences that matter
- Switchover: 20 ms with a gap (EPS) → 10 ms continuous (UPS): it matters for anything connected that cannot tolerate an interruption.
- Maximum expansion: 6.144 kWh → 10 kWh: DELTA 3 Max Plus leaves more room for a battery that grows.
- Charging 0-80%: 53 minutes → 68 minutes: DELTA 2 Max is ready again sooner.
- Outputs: two 12 V and three USB-C up to 140 W (DELTA 3 Max Plus): you power those without going through the mains socket.
Which one to choose
Choose EcoFlow DELTA 2 Max if…
you recharge often and charging time matters, and you want five years of warranty and 3,000 declared cycles. The trade-off: a 4,800 W peak and a declared 20 ms switchover with a gap.
Choose EcoFlow DELTA 3 Max Plus if…
you need to start a load that peaks up to 6,000 W, or you want to take the battery to 10 kWh with extra packs; it also has two 12 V outputs, three USB-C up to 140 W and a declared 25 dB noise level. The trade-off: 68 minutes to reach 80% and a shorter warranty.
Where to buy
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