There is nothing worse than nearing climax with your favorite adult accessory and suddenly hearing the dying whirl of your sex toy as it rattles its last weak vibrations. Even worse is realizing that you do not have any batteries! Don't ever find yourself in such dire sexual straits again grab a couple of these Panasonic AAA Battery 4 Packs so you will always have enough power to achieve an orgasm - or two or three! Carbon Zinc.