AG1 Button Cell Nominal Capacity:13mah Nominal Voltage:1.5v Battery Type: Zn/MnO2 Certificate: CE ROHS SGS MSDS Package: Blister Card/tray Type:Alkaline Manganese Battery Cell(0% Hg Pb) Voltage:1.5Volts Item: AG1 Alkaline Button Battery Application: MP3/walkman/toys, etc Brand: NACCON or OEM Shape: coin/button Chemical system: Zinc-manganese Dioxide (Zn/MnO2) If rechargeable: no Size:6.8*2.15mm