Mango Power E
#18 in Home backupFull review
For home backup buyers who want a large 3.5 kWh LFP battery at a low price per watt-hour and can live with its weight.
Mango Power $1,299$1,299
3.7/5
A wheeled 3kWh home-backup station that can grow to 11 kWh and charge fast from solar. The pick in this line for off-grid cabins and longer outages.
- 3,072 WhCapacity
- 3,600 WAC output
- 74.3 lbWeight
- LiFePO4Battery
- $0.52Price / Wh
Check price at Amazon$1,599Check price at EcoFlow$1,599
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 1600W of solar input can refill 3kWh in a good day of sun
- Grows to 11 kWh with DELTA Pro 3 extra batteries
- A 30A outlet plugs straight into an RV or a generator inlet
- Delivered about 85% of its rated capacity in independent testing
Cons
- About 74 lb, a two-person lift
- Costs $250 more than the non-expandable DELTA 3 Ultra
How it scores
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Independent capacity tests
Usable energy delivered from a full charge through the AC outlets, as measured by independent reviewers. Inverter losses mean no station delivers its full rated capacity.
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| StorageReview | 2,610 Wh | 85% | Full 100%-to-0% AC discharge; load not specified. Recharge took 3.54 kWh from the wall. Measured UPS switchover: 8.25 ms. |
Specifications
| Battery | |
|---|---|
| Rated capacity | 3,072 Wh |
| Tested usable capacity | 2,610 Wh (85%) |
| Chemistry | LiFePO4 |
| Expandable | Yes, up to 11,000 Wh |
| Output | |
| AC output | 3,600 W (7,200 W surge) |
| Boost mode (resistive loads) | 4,600 W |
| AC outlets | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 4 |
| RV 30A outlet (TT-30R) | 1 |
| USB-C ports | 3 (up to 140 W each) |
| USB-A ports | 1 |
| 12 V car outlet | Yes |
| UPS / pass-through | Yes (10 ms switchover) |
| Charging | |
| AC charging | 1,800 W |
| Max solar input | 1,600 W |
| Solar input voltage | 11-60V (2 inputs) |
| Build | |
| Weight | 74.3 lb (33.7 kg) |
| Dimensions | 613 x 328 x 395 mm |
| App | EcoFlow app (Wi-Fi and Bluetooth) |
| Warranty | 5 years |
Alternatives in this size
ALLPOWERS R3500
#19 in Home backupFull review
For home backup on a budget where the unit stays in one place, with room for a second battery later.
ALLPOWERS $1,424$1,424
EcoFlow DELTA Pro
#21 in Home backupFull review
A heavy 3.6kWh station built for home backup that can grow into a 25 kWh system. It still makes sense if you want that expansion path, but newer models give similar capacity for less.
Amazon $1,799 EcoFlow $1,799$1,799
Compare
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