Generac GB1000 vs Jackery FridgeGuard
What is the difference?
The Generac GB1000 has 1.6 kW of power, 3.2 kW peak, a 1.09 kWh battery. The Jackery FridgeGuard has 800 W of power, 1.6 kW peak, a 1.02 kWh battery.
The Generac GB1000 uses a lithium-ion (NMC) battery, the Jackery FridgeGuard a LiFePO4 one. LiFePO4 generally lasts more charge cycles, so the Jackery FridgeGuard should last longer.
The Generac GB1000 has a 3-year warranty, the Jackery FridgeGuard has a 5-year warranty.
The Jackery FridgeGuard can add extra batteries.
Specs side by side
| Generac GB1000 | Jackery FridgeGuard | |
|---|---|---|
| Capacity (Wh) | 1086 | 1024 |
| Continuous (W) | 1600 | 800 |
| Peak (W) | 3200 | 1600 |
| Solar input (W) | 468 | — |
| Chemistry | NMC | LiFePO4 |
| Cycles | 800 | — |
| Expandable | — | yes |
| Weight (lb) | 29 | — |
| Warranty (yr) | 3 | 5 |
| Fridge run time | 20.5 h | 19.3 h |
| CPAP run time | 24.6 h | 23.2 h |
| Wi-Fi router run time | 71.7 h | 67.6 h |
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Specs as read from manufacturer pages on 2026-10-28 / 2026-11-03. 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.
Common questions
Which has more capacity, Generac GB1000 or Jackery FridgeGuard?
The Generac GB1000. More capacity: 1086 Wh vs 1024 Wh.
Which has the longer warranty, Generac GB1000 or Jackery FridgeGuard?
The Jackery FridgeGuard. Longer warranty: 5 years vs 3 years.
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Compare other models → · All Generac models · All Jackery models