Fossibot F800 vs Goal Zero Yeti 500
What is the difference?
The Fossibot F800 has 800 W of power, 840 W peak, a 512 Wh battery. The Goal Zero Yeti 500 has 500 W of power, 1 kW peak, a 499.2 Wh battery.
Both use LiFePO4 batteries.
The Fossibot F800 is rated for 3500 cycles, the Goal Zero Yeti 500 is rated for 4000 cycles.
Both take up to 200 W from solar.
Both have a 5-year warranty.
Both charge from a wall outlet to 100 % in 1.5 h.
Both have 120 V AC output.
Specs side by side
| Fossibot F800 | Goal Zero Yeti 500 | |
|---|---|---|
| Capacity (Wh) | 512 | 499.2 |
| Continuous (W) | 800 | 500 |
| Peak (W) | 840 | 1000 |
| Solar input (W) | 200 | 200 |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycles | 3500 | 4000 |
| Expandable | — | — |
| Weight (lb) | — | 16 |
| Warranty (yr) | 5 | 5 |
| Fridge run time | 9.7 h | 9.4 h |
| CPAP run time | 11.6 h | 11.3 h |
| Wi-Fi router run time | 33.8 h | 32.9 h |
| Check on Amazon → | Check on Amazon → |
Specs as read from manufacturer pages on 2026-10-30 / 2026-10-26. Specs one maker does not list are left out of the comparison. Run times are for that appliance alone with a typical duty cycle, after inverter and depth-of-discharge losses. Sponsored links; we may earn a commission.
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Compare other models → · All Fossibot models · All Goal Zero models