Energizer® Rechargeable batteries are highly recommended for high-drain or frequently used devices - ones that you use more than once a week - such as digital cameras, portable audio players, two-way radios, handheld games, and GPS equipment. They are also recommended for toys and infant devices. For best results pair your Energizer® Rechargeable batteries with Energizer chargers. Can be charged 100's of times. Hold their charge for up to 6 months. Energizer® Rechargeable Batteries - Reusable Power You Can Depend On!