Generac GB1000 vs Pecron E1000LFP

What is the difference?

The Generac GB1000 has 1.6 kW of power, 3.2 kW peak, a 1.09 kWh battery. The Pecron E1000LFP has 1.8 kW of power, 3 kW peak, a 1.02 kWh battery.

The Generac GB1000 uses a lithium-ion (NMC) battery, the Pecron E1000LFP a LiFePO4 one. LiFePO4 generally lasts more charge cycles, so the Pecron E1000LFP should last longer.

The Generac GB1000 takes up to 468 W from solar, the Pecron E1000LFP takes up to 600 W from solar. The Pecron E1000LFP charges faster from panels.

The Generac GB1000 weighs 29 lb, the Pecron E1000LFP weighs 30 lb.

The Generac GB1000 has a 3-year warranty, the Pecron E1000LFP has a 1-year warranty.

Both have 120 V AC output.

The Pecron E1000LFP can add extra batteries.

Specs side by side

	Generac GB1000	Pecron E1000LFP
Capacity (Wh)	1086	1024
Continuous (W)	1600	1800
Peak (W)	3200	3000
Solar input (W)	468	600
Chemistry	NMC	LiFePO4
Cycles	800	—
Expandable	—	yes
Weight (lb)	29	30
Warranty (yr)	3	1
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 / 2026-10-30. 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 Pecron E1000LFP?

The Generac GB1000. More capacity: 1086 Wh vs 1024 Wh.

Which has the longer warranty, Generac GB1000 or Pecron E1000LFP?

The Generac GB1000. Longer warranty: 3 years vs 1 year.

Which charges faster from solar, Generac GB1000 or Pecron E1000LFP?

The Pecron E1000LFP. Faster solar charging: 600 W input vs 468 W input.

More comparisons

Compare other models → · All Generac models · All Pecron models