They have white and black look at the store. These are pretty hard to get as far as I know.
Black
Manual 3.6V Lithium Black Battery for the RN4081/103 Super Mini E
White
Manual 3.6V Lithium White Battery for the RN4081/103 Super Mini E
Black
Manual 3.6V Lithium Black Battery for the RN4081/103 Super Mini E
White
Manual 3.6V Lithium White Battery for the RN4081/103 Super Mini E