FOSSiBOT F1800

Last updated: October 20, 2026

FOSSiBOT F1800

4.4/5#4 of 39 in mid-size power stations
4.4

A budget 1kWh LiFePO4 station for camping and short outages, with fast wall charging and strong USB-C ports.

1,024 WhCapacity
1,800 WAC output
24.8 lbWeight
LiFePO4Battery
1 h 8 minFull charge
$0.39Price / Wh

Check price at Amazon$399 Check price at FOSSiBOT$419

Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

Refills from the wall in about 70 minutes
Two 140W USB-C ports fast-charge laptops
Long-life LiFePO4 battery rated for 4,000 cycles
Five-year warranty

Cons

No expansion battery option
500W solar input is modest for a 1kWh unit
Was on pre-order at the time of checking
FOSSiBOT’s own pages disagree on the US AC outlet count

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.

Value $0.39 per rated Wh95
Tested capacity not yet independently tested (neutral score used)50
Battery life LiFePO4, 4,000 cycles, 5-year warranty100
AC output 1,800 W continuous AC82
Charging speed 0-100% on AC in 1 h 8 min91
Portability 91 Wh per kg (24.8 lb (11.2 kg))84
Solar input 500 W max solar input40
Features UPS (10 ms), 140 W USB-C, app75

Specifications

Battery
Rated capacity	1,024 Wh
Chemistry	LiFePO4
Cycle life	4,000 to 80%
Expandable	No
Output
AC output	1,800 W (3,600 W surge)
AC outlets	3 total
120V 20A outlets (NEMA 5-20R)	3
AC waveform	Pure sine wave
USB-C ports	2 (up to 140 W each)
USB-A ports	1
12 V car outlet	Yes
UPS / pass-through	Yes (10 ms switchover)
Charging
AC charging	1,200 W
Full AC charge time	1 h 8 min
Max solar input	500 W
Solar input voltage	12-60V, 15A
Car charging	120 W
Build
Weight	24.8 lb (11.2 kg)
Dimensions	14.6 x 8.1 x 10.2 in
App	FOSSiBOT app (Wi-Fi/Bluetooth)
Warranty	5 years

Alternatives in this size

#2 in Mid-size4.4Full review

A heavy but efficient older 1.1kWh LiFePO4 unit that remains a strong value buy when discounted; the Elite 100 V2 is its lighter replacement.

$449

Jackery Explorer 1000 v2

#3 in Mid-size4.4Full review

A light, simple 1kWh LiFePO4 station for campers and short outages who value portability over outlet count and expansion.

Amazon $499 Jackery $499

$499

Anker SOLIX C1000

#5 in Mid-size4.3Full review

For campers and home users who want a fast-charging 1 kWh LiFePO4 station with the option to add a second battery, at a lower price than the Gen 2.

$499.99

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Manufacturer

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