D batteries are commonly used in portable music systems, large torches and flashlights, gas heater ignition systems, irrigation timers, and toys.
Alkaline batteries have a storage life of about 6 years. A D battery measures 61 mm in length and 34 mm in diameter and weighs 139 grams. They are also available in rechargeable model HR20, with the same diameter and thickness, its 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.
