EcoFlow DELTA Max 2000 vs Mango Power E
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
EcoFlow DELTA Max 2000 costs $1900 less. Whether that gap is worth closing depends on what you need to run.
- Mango Power E holds 75% more energy (3533Wh vs 2016Wh), so it runs the same load proportionally longer.
- Mango Power E has 2600W more surge headroom (6000W vs 3400W) — that decides whether a fridge, pump or AC compressor will actually start.
- EcoFlow DELTA Max 2000 is 25.1 lb lighter (48 lb vs 73.1 lb).
- Mango Power E uses LiFePO4 while the other uses NMC — roughly double the usable cycle life.
- Mango Power E is rated for 3,000 cycles vs 800 — meaningful if you cycle it daily.
If you plan to cycle the battery daily, think twice about the EcoFlow DELTA Max 2000. Its NMC cells are rated for 800 cycles against the LiFePO4 rival's longer life — over years of regular use that's the more expensive unit, whatever the sticker says.
The previous-generation 2kWh EcoFlow. Still capable and expandable, but its NMC cells and 800-cycle rating are a real step below the LiFePO4 DELTA 3 that replaced it.
Best for: Only at a steep discount against the DELTA 3 Max.
Where it falls short:
- NMC — roughly 800 cycles vs 4,000 for the DELTA 3 Max
- 2-year warranty
A polished 3.5kWh home unit with a standout 10-year warranty. The catch is a relatively low 660W solar input for the capacity.
Best for: Home-backup buyers who want a long warranty and lots of capacity.
Where it falls short:
- 660W solar input is low for 3.5kWh
- 73.1 lb
| Spec | EcoFlow DELTA Max 2000 | Mango Power E |
|---|---|---|
| Price | $1099 | $2999 |
| Capacity | 2016 Wh | 3533 Wh |
| Continuous output | 2400 W | 3000 W |
| Surge output | 3400 W | 6000 W |
| Battery | NMC | LiFePO4 |
| Rated cycles | 800 | 3,000 |
| Weight (lighter wins) | 48 lb | 73.1 lb |
| Max solar | 800 W | 660 W |
| Recharge time (faster wins) | 1h 48m | 1h 30m |
Runtime head-to-head
| Appliance | EcoFlow DELTA Max 2000 | Mango Power E |
|---|---|---|
| Refrigerator | 28.6 hrs | 50.1 hrs |
| Mini fridge | 54.4 hrs | 95.3 hrs |
| Chest freezer | 21.4 hrs | 37.5 hrs |
| CPAP machine | 42.8 hrs | 75.1 hrs |
| Sump pump | 2.1 hrs | 3.8 hrs |