POWOXI 9W-Solar-Battery-Trickle-Charger-Maintainer, 12V Solar Panel Kit for Car

* The solar charger absorbs strong sunlight and converts it into 12 volt DC current to charge the battery. * Generate at least 20%-30% more power than the competition. * The single crystal silicon panel can work all day. No electricity bill required! * This solar battery maintainer make up the power loss of the battery daily. * Reverse Protection - Solar charger will not damage the battery and overcharge. * The built-in blocking diode structure ensures no reverse discharge, overcharge, overvoltage and short circuit. *When the light is strong, the blue indicator lights up, which means it starts to work. In the dark, the indicator lights out and stop working. SKU800MET