FOSSiBOT F3600 Pro
#7 in Home backupFull review
A large home-backup station for buyers who want lots of capacity and solar input at a low price per watt-hour, and don’t need to move it often.
Amazon $1,139 FOSSiBOT $1,219$1,139
The FOSSiBOT F3600 Pro is the better portable power station overall, rated 4.0 to 3.8. The FOSSiBOT F3600 Pro leads on value, AC output and portability. The Mango Power E wins on charging speed. The FOSSiBOT F3600 Pro costs $160 less ($1,139 vs $1,299).
Mango Power E
#17 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
Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the FOSSiBOT F3600 Pro for value ($0.30 per rated Wh vs $0.37 per rated Wh), AC output (3,600 W continuous AC vs 3,000 W continuous AC) and portability (91 Wh per kg (92.6 lb (42 kg)) vs 78 Wh per kg (100.1 lb (45.4 kg))).
- Choose the Mango Power E for charging speed (0-100% on AC in 1 h 30 min vs 0-100% on AC in 3 h).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every home backup portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | FOSSiBOT F3600 Pro | Mango Power E |
|---|---|---|
| Overall rating | 4.0/5 | 3.8/5 |
| Value 25% | 100 $0.30 per rated Wh | 90 $0.37 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 32 77% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 6,500 cycles, 5-year warranty | 100 LiFePO4, 6,000 cycles, 5-year warranty |
| AC output 15% | 37 3,600 W continuous AC | 20 3,000 W continuous AC |
| Charging speed 10% | 32 0-100% on AC in 3 h | 79 0-100% on AC in 1 h 30 min |
| Portability 10% | 84 91 Wh per kg (92.6 lb (42 kg)) | 60 78 Wh per kg (100.1 lb (45.4 kg)) |
| Solar input 5% | 44 2,000 W max solar input | 49 2,000 W max solar input |
| Features 5% | 100 UPS (10 ms), expandable, 100 W USB-C, app | 65 expandable, 100 W USB-C, app |
Independent capacity tests
FOSSiBOT F3600 Pro
No independent test published yet.
Mango Power E
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| StorageReview | 2,720 Wh | 77% | Full discharge at a 350W load delivered 2.72 kWh of 3.53 kWh rated; recharge from empty drew 3.64 kWh |
Specifications
| FOSSiBOT F3600 Pro | Mango Power E | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,840 Wh | 3,533 Wh |
| Tested usable capacity | - | 2,720 Wh (77%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 6,500 to 80% per product description and Amazon; US spec table says to 50% | 6,000 to 70% (CATL LFP cells, at 25°C, 0.5C) |
| Expandable | Yes, up to 11,520 Wh | Yes, up to 7,066 Wh |
| Output | ||
| AC output | 3,600 W (7,200 W surge) | 3,000 W |
| AC outlets | 5 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 4 |
| RV 30A outlet (TT-30R) | 1 | 1 |
| AC waveform | Pure sine wave | - |
| USB-C ports | 4 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | 6 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | 2 |
| UPS / pass-through | Yes (10 ms switchover) | - |
| Charging | ||
| AC charging | 1,500 W | 3,000 W |
| Full AC charge time | 3 h (Manufacturer: about 3 hours on AC; 1 h 50 min with AC + solar (3500W)) | 1 h 30 min (80% in 1 h, full in 1.5 h at 3,000W with the 30A fast-charging cable (sold separately); the included 15A cable charges at up to 1,800W) |
| Max solar input | 2,000 W | 2,000 W |
| Solar input voltage | 12-160V, 20A | 60-150V (1 MPPT) |
| Car charging | 120 W | - |
| Build | ||
| Weight | 92.6 lb (42 kg) | 100.1 lb (45.4 kg) |
| Dimensions | 24.0 x 12.6 x 18.7 in | 17.8 x 13.6 x 19.4 in |
| App | FOSSiBOT app | Mango Power app (Wi-Fi, Bluetooth) |
| Warranty | 5 years | 5 years |
| Released | 2024-07 | 2023-01 |