Fossibot

F800

★ 4.4 · LiFePO4 · Released 2024
$399
Check Price on Amazon Official Fossibot site
Fossibot F800
Capacity
768 Wh
Output
800W
Solar
300W
Weight
9.5kg
Value
$0.52/Wh

SunSee Take

The Fossibot F800 delivers 768 Wh of LiFePO4 storage with 800W continuous output. At $0.52/Wh it sits in the competitive tier. With 6,500 rated cycles, expect 17+ years of daily use. Portable for car camping and tailgating. Portability index: 81 Wh/kg.

Pros

  • +6500 cycles at budget price
  • +Fast charging
  • +Compact

Cons

  • −800W output limit
  • −Less known brand

Best For

Camping Phone & Laptop Emergency Prep

Full Specifications

Last verified: 2026-07
Battery Capacity 768 Wh
Battery Chemistry LiFePO4
AC Output (Continuous) 800W
AC Output (Surge/Peak) 1,600W
Max Solar Input 300W
Weight 9.5 kg (20.9 lbs)
Cycle Life 6,500 cycles to 80%
AC Charge Time (0→100%) 1h
Price per Wh $0.52
Portability (Wh/kg) 81 Wh/kg
Fossibot F800
768 Wh · 800W · LiFePO4
Check Price → Official Fossibot site →

How long will the F800 run common devices?

With 768 Wh usable, here's roughly what this covers. See full runtime tables:

Refrigerator CPAP Space Heater Starlink All appliances →

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Specifications sourced from Fossibot's official product page. MSRP as of 2026-07. Actual prices may vary by retailer and region. SunSee is an independent platform and is not affiliated with Fossibot.