Enphase IQ PowerPack 1500 vs Vtoman FlashSpeed 1500
What is the difference?
The Enphase IQ PowerPack 1500 has 1.5 kW of power, 3 kW peak, a 1.5 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 Enphase IQ PowerPack 1500 is rated for 2500 cycles, the Vtoman FlashSpeed 1500 is rated for 3000 cycles.
The Enphase IQ PowerPack 1500 weighs 46 lb, the Vtoman FlashSpeed 1500 weighs 41 lb. The Vtoman FlashSpeed 1500 is easier to carry.
Both have a 5-year warranty.
Both have 120 V AC output.
The Vtoman FlashSpeed 1500 can add extra batteries.
Specs side by side
| Enphase IQ PowerPack 1500 | Vtoman FlashSpeed 1500 | |
|---|---|---|
| Capacity (Wh) | 1500 | 1548 |
| Continuous (W) | 1500 | 1500 |
| Peak (W) | 3000 | 3000 |
| Solar input (W) | 440 | — |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycles | 2500 | 3000 |
| Expandable | — | yes |
| Weight (lb) | 46 | 41 |
| Warranty (yr) | 5 | 5 |
| Fridge run time | 28.3 h | 29.2 h |
| CPAP run time | 33.9 h | 35 h |
| Wi-Fi router run time | 99 h | 102.2 h |
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Specs as read from manufacturer pages on 2026-11-03 / 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 is lighter, Enphase IQ PowerPack 1500 or Vtoman FlashSpeed 1500?
The Vtoman FlashSpeed 1500. Lighter: 41 lb vs 46 lb.
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Compare other models → · All Enphase models · All Vtoman models