Sunsei SE150 (2.25W) Solar Battery Maintainer

Maintain your car, van, or boat battery. Connects in seconds, and keeps your battery fully topped up when not in use. Works well under low light conditions but is not weatherproofed.

Includes built-in discharge and overcharge protection
Verify sunlight exposure by the push of a button (blue LED)
Charges your car battery via the cigarette lighter socket, or
Connect to your battery with clamps and plug’n’play connectors
Retractable wings and suction cups for window mounting
Warranty: 5-year