BLUETTI Elite 300 vs EcoFlow DELTA 3 Plus
Technical comparison · Home backup
BLUETTI Elite 300 and EcoFlow DELTA 3 Plus set the trade-off in opposite directions within the same home backup category: more power and capacity right away on one side, more years of coverage and room to grow on the other. The difference that matters most is warranty, reversed compared to capacity and power.
| Parameter | ||
|---|---|---|
| In brief | ||
| Nominal capacity | 3.0144 kWh | 1.024 kWh |
| Continuous output | 2400 W | 1800 W |
| Peak output | 4800 W | 3600 W |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| Cost per kWh | 547.04 €/kWh | 750.98 €/kWh |
| List price | 1649 € | 769 € |
| Weight | 26.3 kg | 12.5 kg |
| Dimensions (W×D×H) | 36.6 × 30.5 × 29.75 cm | 39.76 × 28.36 × 20.2 cm |
| Outlets | ||
| AC outlets | Yes (×2) | — |
| How long it lasts | ||
| Battery life cycles | 730 cicli | 1825 cicli |
| The limit that runs out first | anni di garanzia | anni di garanzia |
| Rated cycles | 6000 cicli | 4000 cicli |
| Capacity at end of cycle life | 80 % | 80 % |
| Warranty | 2 anni | 5 anni |
| The numbers | ||
| Cost of stored energy | 0.749 €/kWh | 0.411 €/kWh |
| Energy density | 114.6 Wh/kg | 81.9 Wh/kg |
| Power-to-capacity ratio | 0.8 C | 1.76 C |
| Identity | ||
| Use tier | F3 — Flat-sized (3–8 kWh) | F2 — Room-sized (1–3 kWh) |
| Price | ||
| Price | 1399 € | ~450–1000 € |
| Category specs | ||
| Expandable | — | Yes |
| Maximum expanded capacity | — | 5 kWh |
| Fastest USB-C | 140 W | 140 W |
| Maximum charge power | — | 1.5 kW |
| 0–80% charge time | 78 min | — |
| Maximum solar input | 1200 W | 1000 W |
| Backup power | UPS | UPS |
| Switchover time | 10 ms | 10 ms |
| Ingress protection | IP20 | — |
| Mounting | Portable | Portable |
The differences that matter
- Continuous output: 2400 W vs 1800 W → the Elite 300 runs more appliances together.
- Maximum solar input: 1200 W vs 1000 W → the Elite 300 recharges faster from solar panels.
- Warranty: 2 years vs 5 years → the DELTA 3 Plus carries a longer manufacturer coverage.
- Expandability: only the DELTA 3 Plus can add capacity up to 5 kWh with a module.
Which one to choose
Choose BLUETTI Elite 300 if…
Choose BLUETTI Elite 300 if you need more capacity right away (3 kWh vs 1 kWh) to run several appliances together, without thinking about modules to add later. The trade-off is shorter manufacturer warranty coverage.
Choose EcoFlow DELTA 3 Plus if…
Choose EcoFlow DELTA 3 Plus if you'd rather start with a smaller capacity (1 kWh) and grow over time by adding a module, with longer warranty coverage. The trade-off is less power available until you expand.
Where to buy
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