POWOXI Upgraded 7.5W-Solar-Battery-Trickle-Charger-Maintainer-12V Portable Waterproof Solar Panel Trickle Charging Kit for Car, Automotive, Motorcycle, Boat, Marine, RV,Trailer, Snowmobile, etc. Item Description About this item ??Upgraded Intelligent Charger Controller?Built in internal protection system and smart fast charging Cooperate with Quality solar silicon material ensures high conversion and stable output, Generates at least 25%-30%more power than the other brand solar panels, and it even can charge your battery on cloudy days. ??Comprehensive Battery Protection? Solar car battery trickle charger fully protects the battery. The built-in blocking diode structure ensures no reverse discharge, overcharge, overvoltage, or short circuit. With LED charging indicators, you could easily tell if the solar battery charger is functioning well. ??Stronger and More Durable? The solar car charger adopts high-transparency glass, which is high-strength, impact-resistant, wind-snow-resistant low-iron tempered. And the sturdy ABS frame makes the solar panel more durable than others.Smooth surface, don't worry about scratching the vehicle. This waterproof solar battery charger needs no additional maintenance, extra long service life and durable. ??Easy to Install and Use? The outdoor solar battery maintainer is easy to install, and convenient to use, just insert it in the car power outlet, as known as the cigar lighter socket. Or just connect the solar panel to the battery with the alligator clips directly. The perfect charger/maintainer for any car, LiFePO?, Lithium Ion, motorcycle, boat, tractor, ATV, farm equipment, and 12V batteries. ??12-Month Warranty? The quality of your premium solar battery charger is guaranteed by CE/ROHS certifications and comes with a free 12-month warranty+lifetime technical support! If you have any questions, please contact us. Your suggestion helps us improve! Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return within 7 to 21 days from delivery date but product should be in original position and not in damaged condition,the return shipping charges will be buyer responsibility