SUNAPEX 12V Solar Trickle Charger for Car Battery Solar Battery Charger 12 Volt Waterproof 5W Solar Battery Maintainer for Car Truck Boat RV Motorcycle Marine Trailer Battery

As we all know, batteries naturally drain power and if allowed to go flat, may never regain their full power. This product is a solar powered battery maintainer and charger for 12V batteries and helps manage battery drain in all season. The solar battery charger converts light energy from the sunlight into 12 volt DC electricity which is then transported to the rechargeable batteries through lead wire and connector of choice, replace the self-discharge of a battery in storage, so that the battery wouldn't "go dead". It can be used for cars, 4WD’s, trucks, motorcycle, marine, boats, farm equipment or any application where a 12V battery is used. The high efficient solar panel charger allows to absorb a wider spectrum of the sun light, as long as there is sufficient sunlight available, the solar charger will generate an electrical current to trickle charge battery. The charger is built in intelligent charger controller to intelligently charge and fully protect battery. And the LED indicator helps better understand the charging statue in all days. SUNAPEX portable solar powered battery charger is IP67 waterproof, which can protect it from rain and snow, even if you forget to store it, you don't have to fear that it has been damaged. What you need to pay attention to is that you need to place the solar panel charger at an angle, and not allow the controller on the back of the panel to be submerged in water for a long time.