Aferiy P040 (Nomad400) vs Anker SOLIX C300X

What is the difference?

The Aferiy P040 (Nomad400) has 400 W of power, 800 W peak, a 256 Wh battery. The Anker SOLIX C300X has 300 W of power, 600 W peak, a 288 Wh battery.

Both use LiFePO4 batteries.

The Aferiy P040 (Nomad400) takes up to 120 W from solar, the Anker SOLIX C300X takes up to 100 W from solar. The Aferiy P040 (Nomad400) charges faster from panels.

The Aferiy P040 (Nomad400) has a 7-year warranty, the Anker SOLIX C300X has a 5-year warranty.

Specs side by side

	Aferiy P040 (Nomad400)	Anker SOLIX C300X
Capacity (Wh)	256	288
Continuous (W)	400	300
Peak (W)	800	600
Solar input (W)	120	100
Chemistry	LiFePO4	LiFePO4
Cycles	—	3000
Expandable	—	—
Weight (lb)	9	—
Warranty (yr)	7	5
Fridge run time	4.8 h	5.4 h
CPAP run time	5.8 h	6.5 h
Wi-Fi router run time	16.9 h	19 h
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Specs as read from manufacturer pages on 2026-11-04 / 2026-10-26. 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, Aferiy P040 (Nomad400) or Anker SOLIX C300X?

The Anker SOLIX C300X. More capacity: 288 Wh vs 256 Wh.

Which has the longer warranty, Aferiy P040 (Nomad400) or Anker SOLIX C300X?

The Aferiy P040 (Nomad400). Longer warranty: 7 years vs 5 years.

Which charges faster from solar, Aferiy P040 (Nomad400) or Anker SOLIX C300X?

The Aferiy P040 (Nomad400). Faster solar charging: 120 W input vs 100 W input.

More comparisons

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