Rayovac AAA 4.0 Advanced Lithium rechargeable Batteries 4pk (4 Batteries) A Rechargeable Battery with Lithium Technology! Lasts up to 4x Longer in Digital Cameras v. Energizer Max Alkaline - Compare to Energizer Advanced L Ideal for high drain devices such as digital cameras, CD players, wireless game controllers, LED flashlights, handheld games, remote control cars Takes up to 400 photos in digital cameras Works in all chargers including the Rayovac PS3D and PS3 CDN - holds charge longer than standard NiMH when not in use