Looks Like The Right Size For A "Mid-Range" Speaker.......If It Has Been Enlarged Then A "Tweeter"...... Cheers Glen.
Nope.......None Of Those Batteries Have A Coating That Overlaps Like That.......At Least Not Here In OZ........And Most Certainly Not The Batteries I Use Which Are "Duracell"...... Cheers Glen.
Nope.......Got 3 Of Those Sitting Right Here In Front Of Me.......A D....An AAA.....And A AA...... Nothing Even Close.......Must Use A Different Marketing Coating Where You Come From..... Cheers Glen.