4×AA Battery Holder (with Power Switch, DC2.1 Jack, and Cover)

This enclosed 4×AA battery holder provides a portable and reliable power supply for robotics and electronics projects. Equipped with a DC 2.1 mm barrel jack, an on/off switch, and a protective cover, it is ideal for students, hobbyists, and makers powering portable builds.

Standard DC 2.1 mm power jack

Fitted with a standard DC 2.1 mm barrel plug (5.5 mm outer diameter, 2.1 mm inner diameter) on a 25 cm lead, this pack plugs directly into compatible development boards and microcontrollers for a secure connection.

Integrated ON/OFF power switch

A built-in sliding switch lets you turn project power on and off instantly without needing to unplug cables or remove batteries.

Protective slide cover

A removable plastic cover fully encloses the four AA battery cells, keeping them firmly seated and protected during transport or mobile operation.

Durable and RoHS compliant construction

The housing is made from eco-friendly ABS plastic and features stainless steel nickel-plated spring plates for reliable conductivity and corrosion resistance.

Compact enclosure specifications

Measuring 70 × 64.5 × 19.6 mm and weighing just 41.3 g, this battery case fits neatly inside custom enclosures and mobile robotics chassis.