C batteries are commonly used in toys, games for children, photo strobes, torches, portable audio players, etc. Alkaline batteries have a storage life of about 6 years, A C stack measures 50 mm in length and 26 mm in diameter and weighs 69 grams. They are also available in rechargeable model HR14, with the same diameter and thickness their weight is variable depending on the capacity of the model. Like the whole range of rechargeable batteries, its voltage is 1.2 volts and its capacity in mAh can vary depending on the brand and the model.