LR09 batteries, commonly known as "the little bottle," are commonly used in motion sensors, radio controls, electronic scales, toys, and a multitude of measuring devices because their small size and high voltage offer ideal characteristics for many electronics manufacturers. Alkaline batteries have a shelf life of approximately 6 years. A 9V battery measures 48 x 26 x 17 mm and weighs 45 grams. They are also available in the HR22 rechargeable model, with the same diameter and thickness, and their weight varies depending on the model's capacity. Like the entire range of rechargeable batteries, its voltage is 1.2 volts and its mAh capacity can vary depending on the brand and model.
