Allpowers R1500 LITE vs Generac GB1000
What is the difference?
The Allpowers R1500 LITE has 1.6 kW of power, 3.2 kW peak, a 1.06 kWh battery. The Generac GB1000 has 1.6 kW of power, 3.2 kW peak, a 1.09 kWh battery.
The Allpowers R1500 LITE uses a LiFePO4 battery, the Generac GB1000 a lithium-ion (NMC) one. LiFePO4 generally lasts more charge cycles, so the Allpowers R1500 LITE should last longer.
The Allpowers R1500 LITE is rated for 3500 cycles, the Generac GB1000 is rated for 800 cycles.
The Allpowers R1500 LITE takes up to 650 W from solar, the Generac GB1000 takes up to 468 W from solar. The Allpowers R1500 LITE charges faster from panels.
The Allpowers R1500 LITE weighs 33 lb, the Generac GB1000 weighs 29 lb. The Generac GB1000 is easier to carry.
The Allpowers R1500 LITE has 240 V AC output, the Generac GB1000 120 V. Only 240 V output can run 240 V loads such as many well pumps, dryers and central AC.
Specs side by side
| Allpowers R1500 LITE | Generac GB1000 | |
|---|---|---|
| Capacity (Wh) | 1056 | 1086 |
| Continuous (W) | 1600 | 1600 |
| Peak (W) | 3200 | 3200 |
| Solar input (W) | 650 | 468 |
| Chemistry | LiFePO4 | NMC |
| Cycles | 3500 | 800 |
| Expandable | — | — |
| Weight (lb) | 33 | 29 |
| Warranty (yr) | — | 3 |
| Fridge run time | 19.9 h | 20.5 h |
| CPAP run time | 23.9 h | 24.6 h |
| Wi-Fi router run time | 69.7 h | 71.7 h |
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Specs as read from manufacturer pages on 2026-10-28 / 2026-10-28. 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 is lighter, Allpowers R1500 LITE or Generac GB1000?
The Generac GB1000. Lighter: 29 lb vs 33 lb.
Which charges faster from solar, Allpowers R1500 LITE or Generac GB1000?
The Allpowers R1500 LITE. Faster solar charging: 650 W input vs 468 W input.
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Compare other models → · All Allpowers models · All Generac models