... Military electronicsJ & Y ’s single cell or battery packNormal size: AAA, AA, A,SC,C,D, F, N, ... AAAA,Special size: 4/5AAA, 1/3AAA, 2/3AAA,4/3AAA, 2 ... 4/5D, N, F, etc. Others: Lithium polymer, 9V, Lithium 18650,18490... Lithium ER34615,ER34615M , ER34615H,E34615S …Quality controlWe take ... will be convinced that J & Y is worthy of your credit. factory pic. 3.6v Lithium battery ER34615M