Experience lasting performance with Energizer Ultimate Lithium AAA Batteries. Use these AAA lithium batteries to power a variety of high tech and household items, whether you need batteries for flashlights, game controllers, digital cameras, or your child's favorite toys and games. Ultimate Lithium Energizer AAA batteries weigh one-third less than standard alkaline triple A batteries, making them a lightweight power source. Energizer Ultimate Lithium batteries also hold power for up to 25 years in storage, letting you keep a ready supply of backup batteries. To ensure your favorite devices operate at their peak performance, depend on Energizer Ultimate Lithium batteries for work, play and home.