Hi-watt LR03X Alkaline AAA Batteries. This is a high-quality, reliable battery manufactured using the latest technology to ensure peak performance. It has a nominal voltage of 1.5V and is AAA size. The battery features a protruded positive and flat negative terminal, a diameter of 10.5mm, and a height of 44.5mm. It has a foil jacket and is non-rechargeable. The battery is mercury-free, cadmium-free, and CE approved, making it suitable for a wide range of applications.