FOSSiBOT F7200
#7 in Home backupFull review
A 240V home-backup station for buyers who want to run a home circuit or well pump through outages at a lower price than the big-name brands.
Amazon $2,449 FOSSiBOT $2,899$2,449
3.9/5
For RV owners and home-backup buyers who want 3 kWh and 3000W at a low price in a fixed-size unit. Buyers who may want to add batteries or 240V later should look at expandable models.
- 3,072 WhCapacity
- 3,000 WAC output
- 56.8 lbWeight
- Semi-solid-state LiFePO4Battery
- $0.33Price / Wh
Check price at Amazon$1,069Check price at Dabbsson$999
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- About $0.33 per Wh, among the cheapest 3 kWh stations
- 3000W continuous output runs most power tools and kitchen appliances
- TT-30 outlet plugs straight into an RV
- Under 57 lb, light for 3 kWh
Cons
- Not expandable, and no 240V output for a transfer switch
- No independent capacity test yet
- Combined AC and solar charging is capped at 1800W
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.
Specifications
| Battery | |
|---|---|
| Rated capacity | 3,072 Wh |
| Chemistry | Semi-solid-state LiFePO4 |
| Cycle life | 4,000 to 80% |
| Expandable | No |
| Output | |
| AC output | 3,000 W (6,000 W surge) |
| Boost mode (resistive loads) | 3,600 W |
| AC outlets | 7 total |
| 120V 20A outlets (NEMA 5-20R) | 3 |
| 120V 2-prong outlets (NEMA 1-15R) | 3 |
| RV 30A outlet (TT-30R) | 1 |
| AC waveform | Pure sine wave |
| USB-C ports | 2 (up to 100 W each) |
| USB-A ports | 2 |
| 12 V car outlet | Yes |
| DC5521 ports | 1 |
| UPS / pass-through | Yes (15 ms switchover) |
| Charging | |
| AC charging | 1,800 W |
| Max solar input | 1,200 W |
| Solar input voltage | 12-60V, 25A max (AC + solar combined up to 1800W) |
| Build | |
| Weight | 56.8 lb (25.8 kg) |
| Dimensions | 19.1 x 11.5 x 9.5 in |
| App | Dabbsson app |
| Warranty | 5 years |
Alternatives in this size
Jackery HomePower 3600 Plus
#8 in Home backupFull review
For home-backup buyers who want large tested capacity at a lower price per watt-hour than most 3 kWh-plus units.
Amazon $1,709 Jackery $1,899 Outbound Power$1,709
Growatt HELIOS 3600
#10 in Home backupFull review
A 3.7 kWh home backup station for buyers who want 240V from one unit and the option to grow toward whole-home backup. At the Amazon price it is one of the cheaper ways to get that much LiFePO4 capacity.
Amazon $1,198.98 Growatt $1,599$1,198.98
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