Even when you're alone; this Charger starts your drained battery - from inside your car!
Not only do you not need jumper cables, you don't even need another car! So if you're stranded in an empty parking lot on a cold winter night, just plug this car charger into the 12v cigarette lighter socket, and in minutes you're ready to go! Sealed-alkaline battery inside has the power (5 amps, 14.5 volts) to let you start your vehicle from the warmth and safety of your car's interior! Also provides 12v DC power at campsite, or on a boat or RV. Recharges in cigarette lighter socket. 5-yr. shelf life. 2-1⁄2"x7-1⁄2"x1-7⁄8".