Yes, you can expand the capacity by connecting a FlashSpeed 1500Extra battery, increasing total capacity to 2047Wh.

Please power off the FlashSpeed 600 and charge it to 50-70% every 6 months when not in use for extended periods.

To use the UPS function, please connect the power station to a wall outlet with an AC charging cable, then press the 'AC' button and connect your devices via the AC output ports.

It takes about 60 minutes to charge to 80% for AC charging; About 2~4 hours to 80% using 200W solar panel (lt depends on sunlight intensity.); About 3.5 hours to 80% (At 12V/0A car outlet) for car charging.

Solar panels VS110, VS200 or VS400 are suitable for FlashSpeed ​​600.

The charging power of the DC charging port and the Anderson charging port will not be superimposed. The input power of both input ports charging at the same time is 200W max.

Keep the power station in a cool, dry place, away from direct sunlight. Optimal storage temperatures range from 5°C to 20℃ (41°Fto 68°F).

For long-term storage, maintain the battery charge level at approximately 50% to ensure longevity.

Yes, the FlashSpeed 600 supports UPS functionality and will automatically switch to battery power during a power outage.

The FlashSpeed 600 features an LCD that shows the remaining battery life, estimated runtime, charging power, discharging power, and current output mode.

If your device overheats, disconnect it immediately, cease operation, and allow it to cool down. If the problem persists, contact Vtoman support for a safety check.

To charge FlashSpeed 600 with solar panels, the panels need to meet the following requirements: A. The open voltage of the solar panel is between 10V-50V; B. The solar panel has an Anderson or DC5521 connector.