FOSSiBOT F3600 Pro review
FOSSiBOT F3600 Pro Portable Power Station (3,840Wh)
By Tom Calder
3,840 Wh of LFP with 3,600 W at 120V (7,200 W surge), up to 2,000 W of solar input and two FB3840 batteries to reach 11.52 kWh.
- Best for
- 3.8 kWh and 3,600 W that grows to 11.5 kWh
- Skip it if
- You need 240V
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.We earn a commission if you buy through the retailer links on this page. It doesn't change our verdict. How we make money →
Researched, not used. We haven't used this product. This review is built from the maker's specifications, owner reports and our own sizing.
What we like
- 3,840 Wh, 3,600 W
- Expands to 11.52 kWh
- Up to 2,000 W solar input
Worth knowing
- 92.6 lb
- 120V only
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Who shouldn't buy this
Don't buy it if you need 240V.
Key specs
| Capacity | 3,840 Wh |
| AC output | 3,600 W |
| Surge | 7,200 W |
| Weight | 92.59 lb |
| Battery | LiFePO4 |
| Cycles | — |
| Wall recharge | — |
| Solar in | — |
| AC volts | — |
| Expands | — |
This is a Researched review: we haven't used this product. We check every specification against at least two independent sources, re-check the US price on a schedule where we can track it automatically, and say plainly who it isn't for. Commissions never change a rating.
If this isn’t the one

Best for Big output with solar and generator inputs for a long outage
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Best for A US household that wants a plug-in battery that can also feed essential circuits through a transfer switch
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.Best for 3kWh of 120V backup on wheels

