This Duracell AAAA, MN2500, 1.5V battery has a longstanding shelf life of up to seven years, giving peace of mind that even when in storage, it will retain its energy for when it is needed. This battery is commonly used to power devices such as laser pointers, voice recorders, miniature flashlights to name a few. It will provide these devices a long lasting source of energy, making it an economical choice, whilst not need replacing as often as less powerful comparable batteries.