Anker SOLIX F1500 vs Vtoman FlashSpeed 1500
What is the difference?
The Anker SOLIX F1500 has 1.8 kW of power, 2.4 kW peak, a 1.54 kWh battery. The Vtoman FlashSpeed 1500 has 1.5 kW of power, 3 kW peak, a 1.55 kWh battery.
Both use LiFePO4 batteries.
Both are rated for 3000 cycles.
The Anker SOLIX F1500 weighs 44 lb, the Vtoman FlashSpeed 1500 weighs 41 lb. The Vtoman FlashSpeed 1500 is easier to carry.
Both have a 5-year warranty.
The Vtoman FlashSpeed 1500 can add extra batteries.
Specs side by side
| Anker SOLIX F1500 | Vtoman FlashSpeed 1500 | |
|---|---|---|
| Capacity (Wh) | 1536 | 1548 |
| Continuous (W) | 1800 | 1500 |
| Peak (W) | 2400 | 3000 |
| Solar input (W) | 600 | — |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycles | 3000 | 3000 |
| Expandable | — | yes |
| Weight (lb) | 44 | 41 |
| Warranty (yr) | 5 | 5 |
| Fridge run time | 29 h | 29.2 h |
| CPAP run time | 34.8 h | 35 h |
| Wi-Fi router run time | 101.4 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 is lighter, Anker SOLIX F1500 or Vtoman FlashSpeed 1500?
The Vtoman FlashSpeed 1500. Lighter: 41 lb vs 44 lb.
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Compare other models → · All Anker SOLIX models · All Vtoman models