This 12V, two stage, compact battery charger is the ultimate solution for your dead battery blues.
 
               1) After reaching peak 14.4 VDC, charge automatically switches to 13.2 float voltage.
               2) When voltage drops below 12.6 VDC charge resumes, changing back to 14.4 VDC
               3) Two color LED indicates state of charge
               4) Reverse polarity protected and spark proof
               5) 12 ft. output cord