Well, they are so Duracell quality. Long lasting power, so does not wear that if it is used. They can be stored a long time without loss of capacity. More power: suitable for toys or high consumption items, high power. And like most who can least, ensure a long service for electronic items like cordless phones, clock, etc. One small problem: there are no embedded tester. Even if the accuracy of this indicator remains approximate, it still gives an idea of the condition of the battery without having to leave his tester. Otherwise, here puts the battery 1 for prolonged use
