Long-lasting energy, guaranteed leak-proof construction. Designed to protect your device from electrolyte leakage. Reliable energy for your everyday devices. Long-lasting energy when you need it. Protects* your device. Retains energy for up to 10 years**. The world s first mercury-free alkaline battery***. (Up to 2 years from the date of manufacture. ** Shelf life. *** Commercially available since 1991) Large flashlight, Wii game controller, camera, flashlight, remote control, portable games, walkie talkie, GPS, toy car, large children s toy, clock, baby monitor, PDA.