Aferiy P300 vs Vtoman FlashSpeed 1500
What is the difference?
The Aferiy P300 has 3 kW of power, a 2.05 kWh battery. The Vtoman FlashSpeed 1500 has 1.5 kW of power, 3 kW peak, a 1.55 kWh battery.
Both use LiFePO4 batteries.
The Aferiy P300 is rated for 4000 cycles, the Vtoman FlashSpeed 1500 is rated for 3000 cycles.
The Aferiy P300 weighs 48 lb, the Vtoman FlashSpeed 1500 weighs 41 lb. The Vtoman FlashSpeed 1500 is easier to carry.
The Aferiy P300 has a 2-year warranty, the Vtoman FlashSpeed 1500 has a 5-year warranty.
Both have 120 V AC output.
Both can add extra batteries.
Specs side by side
| Aferiy P300 | Vtoman FlashSpeed 1500 | |
|---|---|---|
| Capacity (Wh) | 2048 | 1548 |
| Continuous (W) | 3000 | 1500 |
| Peak (W) | — | 3000 |
| Solar input (W) | 1200 | — |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycles | 4000 | 3000 |
| Expandable | yes | yes |
| Weight (lb) | 48 | 41 |
| Warranty (yr) | 2 | 5 |
| Fridge run time | 38.6 h | 29.2 h |
| CPAP run time | 46.3 h | 35 h |
| Wi-Fi router run time | 135.2 h | 102.2 h |
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Specs as read from manufacturer pages on 2026-10-31 / 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 P300 or Vtoman FlashSpeed 1500?
The Aferiy P300. More capacity: 2048 Wh vs 1548 Wh.
Which is lighter, Aferiy P300 or Vtoman FlashSpeed 1500?
The Vtoman FlashSpeed 1500. Lighter: 41 lb vs 48 lb.
Which has the longer warranty, Aferiy P300 or Vtoman FlashSpeed 1500?
The Vtoman FlashSpeed 1500. Longer warranty: 5 years vs 2 years.
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Compare other models → · All Aferiy models · All Vtoman models