These jump-packs contain batteries that must be fully charged prior to use. Alljump-packs have built-in overcharge protection when plugged into 120 VACoutlet. This portable power pack is 12V with a dual 20Ah AGM battery. Itfeatures 700 cranking amps with peak amps of 1500. It has 2 gauge 62″ longcopper cables, parrot clamps and a reverse polarity alarm. This jump pack has abuilt-in work light and flasher making it the perfect pack at a recovery scene. Portable Power Pack 12V Dual 20Ah AGM Battery 700 Cranking Amps 1500 Peak Amps 62″ 2 Gauge Copper Cables Parrot Clamps Reverse Polarity Alarm Built-In Work Light & Flasher 12V Power Outlet ac charge cord: part number 604047 Old Part Number: QCJP03