Wagan Tech Self-Charge Auto Jumper 2045

Plug this auto jumper into the cigarette lighter socket and in 10 minutes you're ready to go! Powerful sealed Nickel Cadmium Battery inside has the power (5 Amps, 14.5 Volts) to let you start your vehicle from the warmth and safety of your car! It is unaffected by extreme weather conditions from -5 to 120 degrees F No jump-start cables needed No need to open the hood Rechargeable from your car battery through the cigarette lighter while driving for 30 to 120 minutes or with the available AC adapter Keep your car's clock, radio, alarm and Computer Memory while you change your car's battery Built in trickle charge protection 12 Volt plug for accessories Can be used as laptop battery with inverter