Alkaline batteries, also known as alkaline manganese batteries, alkaline dry batteries, alkaline zinc–carbon battery, is currently used in a very wide range of batteries. The main advantage of alkaline batteries is that they last for about seven times as long as normal batteries, and they have a short initial recovery time, making them ideal for camera flashes. In addition, the output of alkaline battery is stable, so many advanced electronic products such as remote control, electronic camera and so on must use alkaline battery.