This Duracell lithium LR44, 28L battery holds impressively durable power and is commonly used in equipment that requires just that, such as cameras, detachable camera flashes and many more. This battery is also compatible with electronic dog collars. This super lightweight lithium battery has a shelf life of up to ten years, so there is no need to panic buy, when one runs out of power, it can pre-bought and stored away instead, ready for when you need it.