LR09 batteries commonly also called "the small flask" are commonly used in motion sensors, radio controls, electronic scales, toys and a multitude of measuring devices since their small size and high voltage give some Ideal features for many electronics manufacturers. Alkaline batteries have a storage life of about 6 years. A 9V battery measures 48 x 26 x 17mm and weighs 45 grams. They are also available in a rechargeable HR22 model, with the same diameter and thickness, and their weight varies depending on the capacity of the model. Like the entire range of rechargeable batteries, its voltage is 1.2 volts and its capacity in mAh can vary depending on the brand and model.
