FOSSiBOT F1800 Portable Power Station
SVT Score, Lower
1,024 Wh LiFePO4 station at 24.8 lb with an 1,800 W inverter, a 10 ms UPS and a 68-minute wall charge; ReeWray Outdoors drew 960 Wh on AC (July 2026). On pre-order to October 28, 2026.
$429
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Usability
5.9 out of 10It stores 1,024 Wh, the typical figure for the compact tier, so it scores 5 on capacity.
Better on capacityVTOMAN FlashSpeed 2400Stores 1,408 Wh. $699Scores 10.0Its inverter is rated 1,800 W continuous with a 3,600 W surge on the US spec table, though the US FAQ gives 2,700 W for 0.4 seconds, so it scores 8 on power output.
FOSSiBOT states 0 to 100 percent from the wall in about 68 minutes at 1,200 W and 500 W of solar input, so it scores 7 on recharging.
FOSSiBOT rates the EVE cells for 4,000 cycles to 80 percent, so it scores 8 on battery life.
It switches to battery within 10 ms, but FOSSiBOT sells no expansion battery or transfer switch for it and publishes no expansion maximum, so it scores 5 on backup readiness.
Better on backup readinessEcoFlow DELTA 3 PlusSwitches to battery in under 10 ms. $669Scores 7.0FOSSiBOT publishes no safety certificate for it and no certifier directory lists it by model, so it scores 2 on verification.
Better on verificationJackery Explorer 1000 PlusSGS lists it to UL 2743 by model. $619Scores 8.0FOSSiBOT gives it two years and extends it to five years when it is bought on us.fossibot.com, so it scores 8 on warranty and support.
The US warranty policy gives the F1800, F2400, F3600 Pro and F7200 two years plus a three-year extension, five years in all, on orders placed on us.fossibot.com, and those orders can be returned within 30 days of shipment.
$429.00 at us.fossibot.com.
1,800 W in 24.8 lb, on pre-order to October 28
The F1800 is FOSSiBOT's 1,024 Wh LiFePO4 station, a 24.8 lb unit with three 120 V outlets and two 140 W USB-C ports, sold on pre-order with a restock expected October 28, 2026.
It suits a buyer who wants 1,800 W and a fast-switching UPS in a unit one person can carry, and who can wait for the October restock.
Strengths
- 1,800 W continuous
- 0 to 100 percent from the wall in about 68 minutes at 1,200 W
- UPS switchover within 10 ms
- ECO mode runs loads from solar and battery before the grid
- Wall charge rate set at 400800 or 1,200 W by a front knob
- 24.8 lb with a 1,024 Wh battery
Drawbacks
- On pre-order: FOSSiBOT's US store expects a restock on October 28, 2026
- The US spec table gives a 3,600 W surgethe US FAQ and FOSSiBOT's Amazon kit titles give 2,700 W
- FOSSiBOT's Amazon listing caps the UPS load at 1,200 W
- No FOSSiBOT expansion battery: the external-battery input takes third-party 12, 24 or 48 V batteries at up to 15 A, cable not included, and switches off when the unit restarts
- The US page states 1,700 W of combined AC and solar input; FOSSiBOT's EU page gives 1,200 W with solar taking priority
- Solar input capped at 500 W and 60 V
- FOSSiBOT's US warranty policy covers only orders placed on us.fossibot.com and states no term for a unit bought on Amazon or Walmart
Specs
- Capacity1,000-1,499 Wh
- AC Output1,500-1,999 W
- Output Voltage120 V only
- Battery ChemistryLiFePO4
- Rated Cycles4,000-5,999 cycles
- Safety ListingNone verifiable
- Solar Input300-599 W
- Backup Switchover10 ms or less
- Warranty5 Years
- Weight24.8 lb
Not published by FOSSiBOT: expandable to.
At a glance
- Three 120 V AC outlets
- Two 140 W USB-C ports
- Wi-Fi and Bluetooth app
FOSSiBOT is the brand of Shenzhen Qichang Intelligent Technology Co., Ltd., which the F3600 Pro and F7200 manuals name as manufacturer, and of Hongkong Qichang Technology Co., Limited, which dates the company to August 2022; us.fossibot.com names no US company behind it.
It sells direct from us.fossibot.com and through listings on Amazon US and Walmart.com.
The FOSSiBOT F1800 is a 1,024 Wh LiFePO4 station rated 1,800 W continuous at 120 V from three pure sine wave AC outlets, with two 140 W USB-C ports, one 18 W USB-A port and a 12 V 10 A car outlet; its US spec table gives a 3,600 W surge, while its US FAQ gives a 2,700 W peak for 0.4 seconds and a constant-power mode that holds resistive loads up to 2,400 W. FOSSiBOT states 0 to 100 percent from the wall in about 68 minutes, and 80 percent in 45, at up to 1,200 W, set at 400, 800 or 1,200 W by a front knob, and up to 500 W of solar at 11.5 to 60 V through an XT60 input, about 2 hours to full; its US page states 1,700 W of combined AC and solar input, where FOSSiBOT's EU page says solar takes priority and gives 1,200 W combined. It rates the EVE cells for 4,000 cycles to 80 percent. It switches to battery within 10 ms, with the UPS load capped at 1,200 W by FOSSiBOT's Amazon listing, and an ECO mode runs loads from solar and battery before the grid. The page advertises battery expansion through the app for third-party 12, 24 or 48 V lead-acid or lithium batteries at up to 15 A, cable not included and disabled when the unit restarts; FOSSiBOT sells no expansion battery or transfer switch for it and publishes no maximum. It connects to the FOSSiBOT app by Wi-Fi and Bluetooth, weighs 24.8 lb, measures 14.6 x 8.1 x 10.2 in, and ships with AC, solar and car charging cables. On us.fossibot.com it is on pre-order, with a restock expected October 28, 2026 and orders shipped in the order received. ReeWray Outdoors drew 960 Wh through the inverter, 93.7 percent of rated (July 2026), and HomeTech measured a 4.5 to 5 ms switchover on a 230 V unit (July 2026). FOSSiBOT gives it two years plus a three-year extension, five years in all, on orders placed on us.fossibot.com.
