<p><b>Product Description</b></p> <p>The maintainer of the 12V battery: The battery will discharge due to long-term non-use, which can easily cause the battery to run out and shorten the battery life. </p> <p>Using solar trickle chargers, you can store battery voltage and maintain battery power.</p> <p>Lightweight and small portable solar panels with replaceable accessories can be installed on the windshield or can be installed using mounting holes. More versatile. </p> <p><b>Note:Need to be placed in the sun.</b></p> <p>Of course, you don't have to worry about the solar panel consuming battery power on rainy days. The built-in processor prevents the battery from charging the solar panel.</p> <p><b>Specification</b></p> <p>Maximum Power:10 W</p> <p>Optimum Operating Voltage (Vmp):18 V</p> <p>Open-Circuit Voltage (Voc):21.6 V</p> <p>Optimum Operating Current (Imp):0.56 A</p> <p>Short-Circuit Current (Isc):0.61 A</p> <p>Weight:0.84 lbs</p> <p>Dimensions:14.3x 7.68 x0.79 inch</p> <p><b>Package included</b></p> <p>1 x 10 Watt Solar Panel with 98 inch Extension Cord</p> <p>1 x Cigarette Lighter Plug</p> <p>1 x Alligator Clip</p> <p>1 x O-Ring Terminal </p> <p>4 x Suction Cups </p> <p>2 x Carabiners Clips</p>