Anker SOLIX C1000 vs Vtoman FlashSpeed 1000

What is the difference?

The Anker SOLIX C1000 has 1.8 kW of power, 2.4 kW peak, a 1.06 kWh battery. The Vtoman FlashSpeed 1000 has 1 kW of power, 2 kW peak, a 828 Wh battery.

Both use LiFePO4 batteries.

Both are rated for 3000 cycles.

The Anker SOLIX C1000 takes up to 600 W from solar, the Vtoman FlashSpeed 1000 takes up to 300 W from solar. The Anker SOLIX C1000 charges faster from panels.

Both have a 5-year warranty.

The Anker SOLIX C1000 charges from a wall outlet to 100 % in 58 min, the Vtoman FlashSpeed 1000 charges from a wall outlet to 100 % in 70 min. The Anker SOLIX C1000 is ready again sooner.

Both can add extra batteries.

Specs side by side

	Anker SOLIX C1000	Vtoman FlashSpeed 1000
Capacity (Wh)	1056	828
Continuous (W)	1800	1000
Peak (W)	2400	2000
Solar input (W)	600	300
Chemistry	LiFePO4	LiFePO4
Cycles	3000	3000
Expandable	yes	yes
Weight (lb)	28	—
Warranty (yr)	5	5
Fridge run time	19.9 h	15.6 h
CPAP run time	23.9 h	18.7 h
Wi-Fi router run time	69.7 h	54.6 h
	Check on Amazon →	Check on Amazon →

Specs as read from manufacturer pages on 2026-11-02 / 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, Anker SOLIX C1000 or Vtoman FlashSpeed 1000?

The Anker SOLIX C1000. More capacity: 1056 Wh vs 828 Wh.

Which charges faster from solar, Anker SOLIX C1000 or Vtoman FlashSpeed 1000?

The Anker SOLIX C1000. Faster solar charging: 600 W input vs 300 W input.

More comparisons

Compare other models → · All Anker SOLIX models · All Vtoman models