Replace regular AAA batteries with the Magic Power electric power batteries and never buy batteries again! This adapter should be used in devices that operate on 2 AAA batteries. Just put the red Magic Power batteries into the battery pack, and then plug the end into our 6 pigtail power system. The pigtail plugs into a regular electric outlet and allows you to power up to 6 devices with one button! Adapters also available for devices requiring 2 AA, 3 AA, 3 AAA and 1 CR2032 batteries. Requires the 6 pigtail power system to operate. Available below. Questions about this system? email firstname.lastname@example.org for details.