Duracell Turbo AAA 1.5 V 4+2'S are widely used batteries for people searching for a reliable and dependable solution to power their battery-operated electronic devices. These batteries will allow you to operate your devices, keeping them running for years. If you use your electronic device each day, you can check the energy level of the batteries. If the energy level is low, it is time to replace them. Therefore, you do not have to deal with the headache of knowing how much juice is left in the batteries. This is one of the reasons for the large following these batteries have in the market.