Battery charger with a retractable extension cable
FIG. 1 is a front elevational view of the battery charger with a retractable extension cable showing my new design; 
     FIG. 2 is a rear elevational view thereof; 
     FIG. 3 is a left side elevational view of the battery charger with a retractable extension cord shown on a reduced scale; 
     FIG. 4 is a right side elevational view thereof; 
     FIG. 5 is a top plan view thereof shown on a slightly enlarged scale; and, 
     FIG. 6 is a bottom plan view thereof.