Anker SOLIX C1000 vs Generac GB1000

What is the difference?

The Anker SOLIX C1000 has 1.8 kW of power, 2.4 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 Anker SOLIX C1000 uses a LiFePO4 battery, the Generac GB1000 a lithium-ion (NMC) one. LiFePO4 generally lasts more charge cycles, so the Anker SOLIX C1000 should last longer.

The Anker SOLIX C1000 is rated for 3000 cycles, the Generac GB1000 is rated for 800 cycles.

The Anker SOLIX C1000 takes up to 600 W from solar, the Generac GB1000 takes up to 468 W from solar. The Anker SOLIX C1000 charges faster from panels.

The Anker SOLIX C1000 weighs 28 lb, the Generac GB1000 weighs 29 lb.

The Anker SOLIX C1000 has a 5-year warranty, the Generac GB1000 has a 3-year warranty.

The Anker SOLIX C1000 can add extra batteries.

Specs side by side

	Anker SOLIX C1000	Generac GB1000
Capacity (Wh)	1056	1086
Continuous (W)	1800	1600
Peak (W)	2400	3200
Solar input (W)	600	468
Chemistry	LiFePO4	NMC
Cycles	3000	800
Expandable	yes	—
Weight (lb)	28	29
Warranty (yr)	5	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 2026-11-02 / 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 has the longer warranty, Anker SOLIX C1000 or Generac GB1000?

The Anker SOLIX C1000. Longer warranty: 5 years vs 3 years.

Which charges faster from solar, Anker SOLIX C1000 or Generac GB1000?

The Anker SOLIX C1000. Faster solar charging: 600 W input vs 468 W input.

More comparisons

Compare other models → · All Anker SOLIX models · All Generac models