... Type :Lithium battery Dimension with tubeNominal Max. Diameter(mm)Height(mm)Capacity(mA) (10mA-2.0v) VoltageConstant Current Pulse CurrentModel: ER34615M 34.0 ... , 4/5SC,1/2C, 2/3C,1/2D, 4/5D, N, F, etc. Others: Lithium polymer, 9V, Lithium 18650,18490... Lithium ER34615,ER34615M , ER34615H ... that J & Y is worthy of your credit. factory pic. 3.6v Lithium battery ER34615M