All rechargeable 12V batteries.

For safety reasons, the solar panel should be stored while the vehicle is in motion as any distraction to the driver can be dangerous.

No, anything below 15W will not overcharge a standard automobile battery.

No, a solar battery charge controller is only needed for panels of 15W or greater.

The solar battery maintainer is not meant to charge 12V batteries, it is designed to maintain an existing charge and offset the natural voltage loss of the battery.

To measure the voltage of the panel, use a voltmeter. The open-circuit voltage reading should be between 16 and 25 volts in full sun (not connected to the battery).

Yes, panel extensions and panel accessories can be purchased through our order parts page.

Yes, this panel comes with a 5-year limited warranty.