Cadmium and mercury free, Micro AAA: Ø 10.3 mm, height 44.2 mm, Mignon AA: Ø 14.2 mm, height 50.3 mm, Baby C: Ø 25.5 mm, height 49.5 mm, Mono D: Ø 33.5 mm, height 60 mm, Block 9V: Ø 26.0 mm, height 17.0 mm,