Features Extend the battery life and avoid the phenomena of inability to start the battery due to long-term parking battery. Slowly charge the car battery mainly through solar panels and supplement some of the power lost by the battery for your car battery and motorcycle battery. Suitable for 12V car battery and motorcycle battery that can be charged to maintain battery power. Able to maintain battery life, environmental protection, safety and convenience. Environmental protection and energy saving can effectively maintain the battery. Specification: Item Type: Solar Car Charger Model No.: SC1805 Solar panel material: flexible monocrystalline silicon solar panel. Solar panel power: 18V 5W (no-load voltage 23V) Solar panel output current: 270mA maximum (under summer sunlight) Solar panel size: approx. 330 x 130 x 25 mm/13 x 5.1 x 1 in. No-load voltage: 18-23VDC Charging voltage: 12 V. Applicable battery parameters: 12V lead acid battery (automotive battery/motorcycle battery/ship battery) Package list: 1 x Solar Panel 1 x Car Cigarette Lighter Charging Cable 3 Meters 1 x 3 meter positive and negative battery clip charging cable 4 x Transparent Suction Cup Diameter 25 mm 1 x English user manual. Small tip: Please note that the new type and old type of this product will be sent at random, and make sure you do not mind before ordering. Package List 1 x Solar Panel 1 x 3 meters Car Cigarette Lighter Charging Cable 1 x 3 meters Positive and Negative Battery Clip Charging Cable 4 x Ø25mm Transparent Suction Cup 1 x English User Manual