Aferiy P040 (Nomad400) vs Bluetti AC2A

What is the difference?

The Aferiy P040 (Nomad400) has 400 W of power, 800 W peak, a 256 Wh battery. The Bluetti AC2A has 300 W of power, 600 W peak, a 204.8 Wh battery.

Both use LiFePO4 batteries.

The Aferiy P040 (Nomad400) takes up to 120 W from solar, the Bluetti AC2A takes up to 200 W from solar. The Bluetti AC2A charges faster from panels.

The Aferiy P040 (Nomad400) weighs 9 lb, the Bluetti AC2A weighs 8 lb. The Bluetti AC2A is easier to carry.

The Aferiy P040 (Nomad400) has a 7-year warranty, the Bluetti AC2A has a 5-year warranty.

Both charge from a wall outlet to 100 % in 72 min.

Specs side by side

	Aferiy P040 (Nomad400)	Bluetti AC2A
Capacity (Wh)	256	204.8
Continuous (W)	400	300
Peak (W)	800	600
Solar input (W)	120	200
Chemistry	LiFePO4	LiFePO4
Cycles	—	3000
Expandable	—	—
Weight (lb)	9	8
Warranty (yr)	7	5
Fridge run time	4.8 h	3.9 h
CPAP run time	5.8 h	4.6 h
Wi-Fi router run time	16.9 h	13.5 h
	Check on Amazon →	Check on Amazon →

Specs as read from manufacturer pages on 2026-11-04 / 2026-11-01. 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 Bluetti AC2A?

The Aferiy P040 (Nomad400). More capacity: 256 Wh vs 204.8 Wh.

Which is lighter, Aferiy P040 (Nomad400) or Bluetti AC2A?

The Bluetti AC2A. Lighter: 8 lb vs 9 lb.

Which has the longer warranty, Aferiy P040 (Nomad400) or Bluetti AC2A?

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

Which charges faster from solar, Aferiy P040 (Nomad400) or Bluetti AC2A?

The Bluetti AC2A. Faster solar charging: 200 W input vs 120 W input.

More comparisons

Compare other models → · All Aferiy models · All Bluetti models