Principal Battery Controller

FIG. 1 is an isometric view of a principal battery controller, showing my new, original, and ornamental design;

FIG. 2 is a top view of the principal battery controller of FIG. 1 ;

FIG. 3 is a front view of the principal battery controller of FIG. 1 ;

FIG. 4 is a rear view of the principal battery controller of FIG. 1 ;

FIG. 5 is a left side view of the principal battery controller of FIG. 1 ;

FIG. 6 is a right side view of the principal battery controller of FIG. 1 ; and,

FIG. 7 is a bottom view of the principal battery controller of FIG. 1 .