Tested Units. In Great Working Condition. New 2-Prong AC IN Power Charging Cord Outlet Socket Charger Cable Plug Lead Compatible with Duralast DL-800 800 Peak Amp Car Jump Starter + Portable Power DL800 800A Peak Amps Instant Power 12 Volt batteries 12V Power Supply JumpStarter Jumper Starter (Note: NOT for Duralast DL-800L 800 Peak Amp Jump Starter + Power Pack. Someone may have bought it by mistake. Please Check For Compatibility With Your Unit. Thanks.) !!!Tips: Rechargeable batteries usually last 2-3 years. If your machine couldn't charge the battery, it's usually because your rechargeable battery was out of date, or decayed. Please check if your rechargeable battery was already worn out. (If the battery is bad, it will not accept a charge.) 2-Prong AC in Power Charging Cord Charger Cable Plug Compatible with Duralast DL-800 800 Peak Amp Car Jump Starter + Portable Power DL800 800A Amps Instant Power 12 Volt Batteries 12V Supply