Specifications:Name: Solar PanelSolar panels to power consumption: 12V 4.5WNo-load voltage 18-23VDCLoad voltage: 12VOutput current: up to more than the standard light source 10000LUX 250mAFeatures:The product is to slowly but continuously recharge your car via sunlight, so as to supplement the power shortage of your car due to non-use for a long time. Great for outdoor work or travel or camping training. Thus, it can well maintain the car . The main function is to SUPPLEMENT charging of the car so as to maintain and enlarge its life time. You are not supposed to rely on it to charge the car in a short time. More importantly, the product is without any waste coming with it. In addition, it come with a 5V USB output port to power up mobile phones and other 5V charging digital products like MP4, PSP, DV, DC etc. Meanwhile, you can use it to charge any other 12V batteries you have anywhere as long as you have sunlight available.Charging for your car , notebook computer or other 12V rechargeable designed with the solar power lightweight, environmental and safe.Easy to use. Two elastic straps of the back, convenient to set in the sun visor, you can sunshade and charge the car at the same time.Great for outdoor work or travel or camping training Note:Prior to use, make sure to connect to the right positive and negative poles.Be sure to use the accessories coming with the product. Please consult your supplier before using other supplier’s accessories.Without the help of a technician, please do not try to change the product circuit or using method..Package: 1 x 4.5w Solar Panel1 x Clips1 x Car Charger Cigarette Lighter Plug2 x Suckers1 x English Manual