General description Trickle battery charger maintainer can charge 12V batteries using solar power, generating 30 watts of energy. The mono-crystalline silicon panel operates in all daylight conditions and is weatherproof (can withstand raindrops but is not completely waterproof), ensuring durability. It is compatible with automotive, motorcycle, tractor, and boat batteries, as well as car batteries. A built-in blocking diode prevents reverse discharge, maintaining the battery and extending its lifespan. Technical specifications Power: 30W Material: Monocrystalline silicon Color: Black Dimensions: Measurement allowed error is +/- 1-3cm Compatibility and accessories Compatible with 12V batteries (automotive, motorcycle, tractor, boat, car) Package Contents: 1 x Solar Panel 1 x Car charger 1 x Battery charging clip 4 x Suction cups