Model Number: AG3 /LR41/ LR736 Nominal Capacity:31mah 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: AG3 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:7.9*3.6mm