This Energizer Ultra+ 3LR12 4.5V Alkaline Battery is used in head lamps and head lights. This alkaline battery is a long lasting battery and lasts much longer than a basic zinc 3R12 battery. * Classification: Alkaline * Chemical System: Zinc-Manganese Dioxide (Zn/MnO²) * Nominal Voltage: 4.5V * Operating Temperature: -18°C to +55°C * Typical Weight: 163g * Typical Volume: 77 cubic centimetres * Jacket: Plastic Label * Terminals: Spring Clips * Shelf Life: 10 years * Supplied singly * Manufacturer's part: Energizer IEC-3LR12