FOSSiBOT F3600 Pro solar kit review
FOSSiBOT F3600 Pro with 420W Solar Panel (3,840Wh)
By Tom Calder
FOSSiBOT's 3,840 Wh F3600 Pro (3,600 W at 120V, 7,200 W surge) with one 420 W panel, 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 with a big single panel
- 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
- Up to 2,000 W solar input
- Expands to 11.52 kWh
Worth knowing
- 92.6 lb
- 120V only
ⓘ As an Amazon Associate, PreparedStates earns from qualifying purchases. We may earn a commission when you buy through our links. When two products are close, commission can decide which one we pick. A clearly better product always wins. Amazon prices come from Amazon's own product data and can change at any time.
Who shouldn't buy this
Don't buy it if you need 240V.
Key specs
| Battery | 3,840 Wh |
| Solar panel | 420 W |
| AC output | 3,600 W |
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 3 kWh at under 57 lb
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 3 kWh in BLUETTI's compact Elite line
Best for 3.8 kWh with a 500 W panel