Zinc carbon batteries have a long history and are widely used worldwide. It's a simple and reliable technology that provides economical power in terms of cost per hour for low drain appliances. Thanks to the comprehensive product line-up, there's always a suitable battery for your needs with an excellent price versus quality ratio. Panasonic Zinc Carbon batteries are a very reliable source of power for devices that consume little energy. Typical applications include a clock and TV remote controller. This because a Zinc Carbon battery provides less energy than alkaline batteries. That's why you should use alkaline batteries for devices which require more energy such as tooth brushes, toys and game consoles.