PRO 660 FEATURES INCLUDE: 1-Piece Case Meets the challenges of everyday use. Industrial Duty Clamps Penetrate corrosion on battery terminals. Volt Gauge Displays unit battery status. Large recessed status button activates volt gauge. Built-In Charger No need for special charging adapter. Charger never gets lost. Extra Long 46" #4 Gauge Cable Ideal for placement with jump starting your vehicle. Grip Guards Protect clamps and unit from foreign objects. High Powered Battery Allows unit to be stored and used in any position. Battery Access Panel on Back of Unit For easy maintenance and replacement. 12-Volt DC Power Receptacle Equipped with a standard 12 volt DC receptacle. Plug any accessory up to 12 amps into the cigarette lighter type socket for DC power anywhere. Jump-N-Carry Pro 660 Peak Amps 1700 Voltage 12 Volt Battery Type Sealed Lead Acid (AGM) Battery Capacity 20 Amp Hour* Cable Length 46" Cable Type # 4 Gauge Welding Charger 500mA ** (Built-in) Indicator Display Volt Gauge Unit Weight 18lbs. * High Performance Battery ** Built-In Charger ***Automatic Charger