Why Choose Our OBD-II Solar Panel Car Battery Maintainer? 1. No need to plug up through the cigarette lighter, and for most car that have deactivated cigarette ports when the car is off. 2. There is no need to open the front cover of the car comparing with using alligator clips. Just put the solar panel on the dash and plug in the OBD2 connector to the car OBD port. 3. You can finish the charging process in the car and no need to worry about the loss of the solar panel. 4. The special voltage stabilization design of the OBD2 cable helps protect your battery and prevent overcharge& reverse discharge problems. 5.You can verify the charge with the indicate light on the solar panel. What You can get: 1 x Solar Panel charger 1 x OBD-II Cable (1.2m) 2 x Hooks As we know, the battery will self-discharge a little bit by itself. When the car is not started for a long time, the battery cannot be recharged through the engine, and it will easily be completely exhausted which will cause great damage to your car battery. Everyone Should have an OBD-II Solar Trickle Charger especially at this special time . Note: This solar car battery maintainer is not meant to charge up a fully discharged battery. They work best on a battery that is already fairly well charged up and just needs a little topping up. Specification Maximum Power(Pmax) 15.9W Transformation efficiency 21%-25% Voltage(Dual Outputs) 14.4V/5V Overallsize 490mm*262mm*2.3mm(19.29*13.39*0.1inch) Net weight 520g/18.34oz Prouducts' Application With dual output ports and OBD2 cable, this solar panel charger can not only be used as a battery trickle charger for the car but also run electrical devices such as tablets, laptops, your GPS, and other gadgets. Which are essential for outdoor activities (function(f) {var _np=(window.P._namespace("AplusModule"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) { P.when('AplusModules-module-16-tech-specs').execute(function(resizeSpecTables) { resizeSpecTables('aplus-index-3', 'aplus-tech-spec-table', 'aplus-tech-spec-hide-loading'); }); })); 15W Solar Panel charger Solar charger panel with with OBD2 Connector 5W Solar Panel charger Foldable & Portable ✓ ✓ ✓ Waterproof ✓ ✓ ✓ Net weight 450g 520g 119g