Schumacher IP-1825FL 18-Ah Instant Power with Adjustable Work Light 12 volt DC power source with adjustable work light #6 gauge, 28 inch cable stays flexible in cold weather Convenient, built-in charger transformer for automatic charging of internal battery Easy-to-read battery status LEDs display full power, 75 percent charged or 50 percent or less Durable, rust and corrosion-proof, polypropylene case resists fuels as well as solvents