Description: It can be used as an charger for automobiles,truck, caravans, tractors, boats, motorcycles, travelling, camping, RV batteries. Mono-crystalline silicon panel can work in all daylight conditions and is weatherproof and IP67 waterproof. Built-in blocking diode to prevent reverse discharge, not only maintains the battery lifetime but also extends its usage life. Just plug this solar charger into your cars and position the panel to pick up the most daylight possible,and also can be connected to the battery with the alligator clip It is also suitable for emergency lights, advertisement lights, traffic lights, electric fans and solar water pumps with DC or USB interface. Specification: Material:Monocrystalline silicon battery Size:280x280x2mm /11.02x11.02x0.08inch Controller Size:130x70mm /5.12x2.76inch Monocrystalline silicon battery: Rated Maximum Power: 200W Open circuit voltage (VOC) : 5V Short circuit current (ISC) : 3A Solar Panel: Voltage: 5V Maximum supply voltage: 6V Short-circuit current: 2A Operating temperature: -40°C+85°C. Package Includes: 1 Piece Solar Panel 1 Piece Car Charger 1 Piece DC18V Output Clip 1 Piece Suction Cup Adsorption 1 Piece Charging Port Note: Please allow slight dimension difference due to different manual measurement.