Dabbsson DBS1400 Pro vs Vtoman FlashSpeed 1500

What is the difference?

The Dabbsson DBS1400 Pro has 2.4 kW of power, 4.8 kW peak, a 1.38 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 Dabbsson DBS1400 Pro is rated for 4500 cycles, the Vtoman FlashSpeed 1500 is rated for 3000 cycles.

The Dabbsson DBS1400 Pro weighs 45 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.

Both can add extra batteries.

Specs side by side

	Dabbsson DBS1400 Pro	Vtoman FlashSpeed 1500
Capacity (Wh)	1382	1548
Continuous (W)	2400	1500
Peak (W)	4800	3000
Solar input (W)	1200	—
Chemistry	LiFePO4	LiFePO4
Cycles	4500	3000
Expandable	yes	yes
Weight (lb)	45	41
Warranty (yr)	5	5
Fridge run time	26.1 h	29.2 h
CPAP run time	31.3 h	35 h
Wi-Fi router run time	91.2 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, Dabbsson DBS1400 Pro or Vtoman FlashSpeed 1500?

The Vtoman FlashSpeed 1500. More capacity: 1548 Wh vs 1382 Wh.

Which is lighter, Dabbsson DBS1400 Pro or Vtoman FlashSpeed 1500?

The Vtoman FlashSpeed 1500. Lighter: 41 lb vs 45 lb.

More comparisons

Compare other models → · All Dabbsson models · All Vtoman models