Production Specification: Description:R14P Mercury & Cadmium Free Zinc-Manganese Dry Battery 1doz/shrink tray Chemcial system:Zinc-Manganese Dioxide Normal Voltage: 1.5volts Normal Height:48.5-50.5(mm) Diameter:24.7-26.2(mm) Jacket:Pvc Packing Normal Weight: 44g