Anker SOLIX C1000 Gen 2 vs Generac GB1000

What is the difference?

The Anker SOLIX C1000 Gen 2 has 2 kW of power, 3 kW peak, a 1.02 kWh battery. The Generac GB1000 has 1.6 kW of power, 3.2 kW peak, a 1.09 kWh battery.

The Anker SOLIX C1000 Gen 2 is rated for 4000 cycles, the Generac GB1000 is rated for 800 cycles.

The Anker SOLIX C1000 Gen 2 takes up to 600 W from solar, the Generac GB1000 takes up to 468 W from solar. The Anker SOLIX C1000 Gen 2 charges faster from panels.

The Anker SOLIX C1000 Gen 2 weighs 25 lb, the Generac GB1000 weighs 29 lb. The Anker SOLIX C1000 Gen 2 is easier to carry.

Both have 120 V AC output.

Specs side by side

	Anker SOLIX C1000 Gen 2	Generac GB1000
Capacity (Wh)	1024	1086
Continuous (W)	2000	1600
Peak (W)	3000	3200
Solar input (W)	600	468
Chemistry	—	NMC
Cycles	4000	800
Expandable	—	—
Weight (lb)	25	29
Warranty (yr)	—	3
Fridge run time	19.3 h	20.5 h
CPAP run time	23.2 h	24.6 h
Wi-Fi router run time	67.6 h	71.7 h
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Specs as read from manufacturer pages on 2026-10-25 / 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 more capacity, Anker SOLIX C1000 Gen 2 or Generac GB1000?

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

Which is lighter, Anker SOLIX C1000 Gen 2 or Generac GB1000?

The Anker SOLIX C1000 Gen 2. Lighter: 25 lb vs 29 lb.

Which charges faster from solar, Anker SOLIX C1000 Gen 2 or Generac GB1000?

The Anker SOLIX C1000 Gen 2. Faster solar charging: 600 W input vs 468 W input.

More comparisons

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