Battery Alkaline AAA / LR3 4-Pc. Pack: The quality Varta batteries deliver powerful and constant performance that keeps your erotic gears going and going, providing extra long life for your sexy toys and other battery-powered electrical devices. Other names for this battery: LR03, AM4M8A, AM4, S, MN2400, 824, E92, LR03N, 24A, K3A, R3, R03, 7526, UM4, Micro, V2500PX.