PowerUP Ultra Alkaline 9V Batteries (Pack of 4) - Draper 03978, With 20% more capacity than standard alkaline batteries, these multipurpose Draper PowerUP Ultra Alkaline C size batteries are ideal for high-capacity applications.C size batteries are commonly used to power medium-drain devices, such as larger torches, music players (including MP3 and CD players), digital cameras and radios.These Draper PowerUP C size batteries are designed to be leakproof and come in two handy pack sizes. Draper 03978 PowerUP Ultra Alkaline C Batteries (Pack of 12)