Adafruit 4 x AA Battery Holder with 2.1mm Plug and On/Off Switch

This AA battery holder accommodates four batteries, equipped with a 5-inch power cable ending in a 5.5/2.1mm DC jack. It features an On/Off switch and comes in a sleek Adafruit black design.

Benefits include seamless compatibility with development boards featuring a 2.1mm DC jack, providing a reliable voltage range from ~4.8V (4 NiMH batteries) to 6V (4 Alkaline batteries). The holder ensures an efficient power source, suitable for various DIY electronics projects.

Whether powering a portable speaker or running a small robot, its straightforward design ensures ease of use. Batteries are sold separately, with numerous options available.