Allpowers S2000 Pro vs Vtoman FlashSpeed 2400

What is the difference?

The Allpowers S2000 Pro has 2.4 kW of power, 4 kW peak, a 1.45 kWh battery. The Vtoman FlashSpeed 2400 has 2.4 kW of power, 3.2 kW peak, a 1.41 kWh battery.

The Allpowers S2000 Pro uses a lithium-ion (NMC) battery, the Vtoman FlashSpeed 2400 a LiFePO4 one. LiFePO4 generally lasts more charge cycles, so the Vtoman FlashSpeed 2400 should last longer.

The Allpowers S2000 Pro is rated for 2500 cycles, the Vtoman FlashSpeed 2400 is rated for 3000 cycles.

The Allpowers S2000 Pro weighs 29 lb, the Vtoman FlashSpeed 2400 weighs 42 lb. The Allpowers S2000 Pro is easier to carry.

The Allpowers S2000 Pro has a 5-year warranty, the Vtoman FlashSpeed 2400 has a 2-year warranty.

Both have 120 V AC output.

Specs side by side

	Allpowers S2000 Pro	Vtoman FlashSpeed 2400
Capacity (Wh)	1451	1408
Continuous (W)	2400	2400
Peak (W)	4000	3200
Solar input (W)	1000	—
Chemistry	NMC	LiFePO4
Cycles	2500	3000
Expandable	—	—
Weight (lb)	29	42
Warranty (yr)	5	2
Fridge run time	27.4 h	26.6 h
CPAP run time	32.8 h	31.9 h
Wi-Fi router run time	95.8 h	92.9 h
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Specs as read from manufacturer pages on 2026-10-31 / 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 is lighter, Allpowers S2000 Pro or Vtoman FlashSpeed 2400?

The Allpowers S2000 Pro. Lighter: 29 lb vs 42 lb.

Which has the longer warranty, Allpowers S2000 Pro or Vtoman FlashSpeed 2400?

The Allpowers S2000 Pro. Longer warranty: 5 years vs 2 years.

More comparisons

Compare other models → · All Allpowers models · All Vtoman models