Schumacher (SE-5212A-CA) 12V 50 Amp Automatic Battery Charger Not compatible with the WM-12 or EC-25 quick connect cables Microprocessor controlled fully automatic battery charger Features three settings: 6 to 2 ampere charge/maintain, 10 ampere boost, and 50 ampere engine start Reverse hook-up protection for safe and easy use Features float mode monitoring Includes heavy-duty steel case