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Enphase IQ PowerPack 1500 vs Vtoman FlashSpeed 2400

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 2400 has 2.4 kW of power, 3.2 kW peak, a 1.41 kWh battery.

Both use LiFePO4 batteries.

The Enphase IQ PowerPack 1500 is rated for 2500 cycles, the Vtoman FlashSpeed 2400 is rated for 3000 cycles.

The Enphase IQ PowerPack 1500 weighs 46 lb, the Vtoman FlashSpeed 2400 weighs 42 lb. The Vtoman FlashSpeed 2400 is easier to carry.

The Enphase IQ PowerPack 1500 has a 5-year warranty, the Vtoman FlashSpeed 2400 has a 2-year warranty.

The Enphase IQ PowerPack 1500 charges from a wall outlet to 100 % in 75 min, the Vtoman FlashSpeed 2400 charges from a wall outlet to 100 % in 60 min. The Vtoman FlashSpeed 2400 is ready again sooner.

Both have 120 V AC output.

Specs side by side

Enphase IQ PowerPack 1500Vtoman FlashSpeed 2400
Capacity (Wh)15001408
Continuous (W)15002400
Peak (W)30003200
Solar input (W)440—
ChemistryLiFePO4LiFePO4
Cycles25003000
Expandable——
Weight (lb)4642
Warranty (yr)52
Fridge run time28.3 h26.6 h
CPAP run time33.9 h31.9 h
Wi-Fi router run time99 h92.9 h
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Specs as read from manufacturer pages on 2026-11-03 / 2026-10-30. 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, Enphase IQ PowerPack 1500 or Vtoman FlashSpeed 2400?

The Enphase IQ PowerPack 1500. More capacity: 1500 Wh vs 1408 Wh.

Which is lighter, Enphase IQ PowerPack 1500 or Vtoman FlashSpeed 2400?

The Vtoman FlashSpeed 2400. Lighter: 42 lb vs 46 lb.

Which has the longer warranty, Enphase IQ PowerPack 1500 or Vtoman FlashSpeed 2400?

The Enphase IQ PowerPack 1500. Longer warranty: 5 years vs 2 years.

More comparisons

Compare other models → · All Enphase models · All Vtoman models