The BAT-LR20/EGU-B is a cylindrical-shaped alkaline battery produced by Energizer. It features a 1.5-volt output, with a capacity of 18,000mAh. This battery is able to power household devices such as torches, video game controllers, clocks, and radios. Its alkaline chemistry makes the BAT-LR20/EGU-B a reliable and efficient power source with a long operational life of up to 10 years. Its cylindrical shape allows for comfortable handling, and it's also lightweight and compact, enabling it to fit in tight spaces. The BAT-LR20/EGU-B is an ideal choice for everyday use, thanks to its long-lasting nature and reliable performance.