Nature Power 6-Watt Solar Battery Trickle Charger takes the sun’s energy and turns it into electric current and delivers a small current to your rechargeable 12-volt batteries to promote the longevity and health of the battery. The current will compensate for small key off draw on your battery from items such as displays, stereo and alarm systems. The Solar Battery Trickle Charger also combats the effects of cold weather on your battery ensuring quick starts through the winter months. This solar panel is a way to keep your vehicles batteries topped up during storage. A great alternative to traditional battery chargers since no AC power is required, you will not need to run extension cords or use up valuable driveway space for stored vehicles. The 6-Watt Solar Battery Trickle Charger delivers enough power to keep larger vehicle engine batteries topped up and may also be used on boats, power sports vehicles such as ATVs and sleds, as well as farm equipment such as deer feeders, lawn mowers, and battery backup sump pumps. Completely weatherproofed this solar panel can be installed outdoors permanently or temporarily using the included poles for tilting the solar panel towards the sun. Mounting hardware is included. Nature Power solar panels feature a sturdy aluminum frame and toughened glass top and are safe for temperatures ranging from 40 to 175-Degree Fahrenheit. A blocking diode built within the wiring protects your batteries draining due to reverse current. 11 feet of cabling lets you place the solar panel in the best position to receive sunlight and attaches to your battery using either battery cl-amp or a 12-volt car plug, both are included. Low current from this solar panel make it safe for your rechargeable 12V battery, no charge controller required. Installs with ease and is maintenance free. The Nature Power 6-Watt Solar Battery Trickle Charger is covered by a 5 year warranty.