FOSSiBOT F1800 Portable Power Station, 1,800W / 1,024Wh vs FOSSiBOT F3600 Pro Portable Power Station, 3,600W / 3,840Wh

FOSSiBOT F1800 Portable Power Station, 1,800W / 1,024Wh or FOSSiBOT F3600 Pro Portable Power Station, 3,600W / 3,840Wh? Compare specs, price and who each one suits, with our pick for each kind of trip.

By Outdoor Gear Verdict Editorial · Specs from each manufacturer’s product page

The quick answer

Choose the FOSSiBOT F1800 Portable Power Station, 1,800W / 1,024Wh for campers and home-backup shoppers who want 1.8kW output in a quiet LiFePO4 station. Choose the FOSSiBOT F3600 Pro Portable Power Station, 3,600W / 3,840Wh for home-backup, RV and off-grid shoppers who want a large expandable LiFePO4 station. The FOSSiBOT F1800 Portable Power Station, 1,800W / 1,024Wh costs $800.00 less than the FOSSiBOT F3600 Pro Portable Power Station, 3,600W / 3,840Wh at the prices we checked.

FOSSiBOT F1800 portable power station with a handle and front display

Best for campers and home-backup shoppers who want 1.8kW output in a quiet LiFePO4 station

FOSSiBOT F1800 Portable Power Station, 1,800W / 1,024Wh

A 1,800W, 1,024Wh LiFePO4 station with 4,000 cycles and a 5-year warranty.

Price$399.00

Shop Fossibot · $399.00

Skip it if you need 3kW or more of output

Read the full review

FOSSiBOT F3600 Pro portable power station with a front LCD and multiple outlets

Best for home-backup, RV and off-grid shoppers who want a large expandable LiFePO4 station

FOSSiBOT F3600 Pro Portable Power Station, 3,600W / 3,840Wh

A 3,840Wh, 3,600W station that expands to 11.52kWh.

Price$1,199.00

Shop Fossibot · $1,199.00

Skip it if you want a light carry-anywhere station

Read the full review

The specs, side by side.

F1800 Portable Power Station

Capacity: 1,024Wh LiFePO4 (EVE cells)
AC output: 1,800W
Cycle life: Up to 4,000 cycles
Warranty: 5 years
AC charging: 80% in 45 minutes; full in about 1 hour
Solar: Up to 500W input; about 2 hours to full
Noise: About 30dB
Backup: UPS switch under 10ms
Control: FOSSiBOT app
Model / SKU: F1800, US version · USF1800

F3600 Pro Portable Power Station

Capacity: 3,840Wh LiFePO4
AC output: 3,600W pure sine; 7,200W surge
Cycle life: 6,500+ cycles to 80%
Warranty: 5 years
Solar: 2,000W max MPPT input
Charging (US): To 100% in about 1.8 hours with up to 3,500W AC plus solar
Outputs: 15 (US version)
Expansion: Up to 11.52kWh with two FB3840 expansion batteries
Backup: 10ms UPS
Control: App and HD LCD
Model / SKU: F3600 Pro, US version · USF3600-Pro

Manufacturer specifications for each reviewed configuration. Different brands label specs differently, so compare like for like.

Where each one wins.

FOSSiBOT F1800 Portable Power Station, 1,800W / 1,024Wh

LiFePO4 durability
Fast charging
Quiet and efficient
UPS backup

A 1kWh tank
Presale listing
App-controlled

FOSSiBOT F3600 Pro Portable Power Station, 3,600W / 3,840Wh

Big power for a home
Very long cycle life
Expandable
Flexible charging

Heavy and large
Expansion batteries are extra
Solar ships separately

A few good questions.

Which is better, the FOSSiBOT F1800 Portable Power Station, 1,800W / 1,024Wh or the FOSSiBOT F3600 Pro Portable Power Station, 3,600W / 3,840Wh?

Neither wins for everyone. Choose the FOSSiBOT F1800 Portable Power Station, 1,800W / 1,024Wh for campers and home-backup shoppers who want 1.8kW output in a quiet LiFePO4 station. Choose the FOSSiBOT F3600 Pro Portable Power Station, 3,600W / 3,840Wh for home-backup, RV and off-grid shoppers who want a large expandable LiFePO4 station.

Which one is cheaper?

The FOSSiBOT F1800 Portable Power Station, 1,800W / 1,024Wh costs $800.00 less than the FOSSiBOT F3600 Pro Portable Power Station, 3,600W / 3,840Wh at the prices we checked.

Who should skip the FOSSiBOT F1800 Portable Power Station, 1,800W / 1,024Wh?

Look elsewhere if you need 3kW or more of output.

Who should skip the FOSSiBOT F3600 Pro Portable Power Station, 3,600W / 3,840Wh?

Look elsewhere if you want a light carry-anywhere station.