Battery Doctor's 1.8 Watt Maintainer Panel Kit features a durable plastic frame and an Amp Rating of up to 150 mA! This portable trickle charger/maintainer is ideal for maintaining the battery in your car, boat, RV or motor bike while it's in storage, or away from your vehicle for any period of time. This kit is not recommended for exposure to severe outdoor weather elements. A male output adapter (cigarette lighter adapter), alligator clips, and mounting hardware (suction cups) are all included with this 16" L x 5" W x 1" D solar panel kit. | WirthCo 1.8 Watt Solar Panel Maintainer