Aferiy P040 (Nomad400) vs Marbero 237Wh 300W Portable Power Station
What is the difference?
The Aferiy P040 (Nomad400) has 400 W of power, 800 W peak, a 256 Wh battery. The Marbero 237Wh 300W Portable Power Station has 300 W of power, 375 W peak, a 237 Wh battery.
The Aferiy P040 (Nomad400) weighs 9 lb, the Marbero 237Wh 300W Portable Power Station weighs 5 lb. The Marbero 237Wh 300W Portable Power Station is easier to carry.
The Aferiy P040 (Nomad400) charges from a wall outlet to 100 % in 72 min, the Marbero 237Wh 300W Portable Power Station charges from a wall outlet to 100 % in 6 h. The Aferiy P040 (Nomad400) is ready again sooner.
Specs side by side
| Aferiy P040 (Nomad400) | Marbero 237Wh 300W Portable Power Station | |
|---|---|---|
| Capacity (Wh) | 256 | 237 |
| Continuous (W) | 400 | 300 |
| Peak (W) | 800 | 375 |
| Solar input (W) | 120 | — |
| Chemistry | LiFePO4 | — |
| Cycles | — | — |
| Expandable | — | — |
| Weight (lb) | 9 | 5 |
| Warranty (yr) | 7 | — |
| Fridge run time | 4.8 h | 4.5 h |
| CPAP run time | 5.8 h | 5.4 h |
| Wi-Fi router run time | 16.9 h | 15.6 h |
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Specs as read from manufacturer pages on 2026-11-04 / 2026-11-04. 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 Marbero 237Wh 300W Portable Power Station?
The Aferiy P040 (Nomad400). More capacity: 256 Wh vs 237 Wh.
Which is lighter, Aferiy P040 (Nomad400) or Marbero 237Wh 300W Portable Power Station?
The Marbero 237Wh 300W Portable Power Station. Lighter: 5 lb vs 9 lb.
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Compare other models → · All Aferiy models · All Marbero models