Streamline your power solutions with our Dual AA Battery Holder with DC 2.1mm Plug. This fully enclosed power box is designed to hold two standard AA batteries in series, providing a reliable 3V output directly through a universal DC connector.
This holder is engineered for convenience, featuring a built-in ON/OFF slide switch on the top of the casing to allow for easy power management without unplugging your device. The unit comes with a removable sliding cover that protects the batteries and ensures they remain securely in place during portable use. Terminated with a standard DC 2.1mm male plug, it is perfect for powering development boards, LED strips, and other hobbyist electronics that utilize a standard DC barrel jack.
Integrated ON/OFF Switch: Control power to your project instantly with a dedicated top-mounted slide switch.
Standard DC 2.1mm Plug: Features a pre-installed male barrel connector for compatible plug-and-play use with various electronic devices.
Enclosed Safety Design: The sliding lid protects internal batteries from dust and accidental short circuits.
Secure Internal Contacts: High-tension metallic springs ensure consistent electrical contact even in mobile applications.
Compact & Durable: Molded from impact-resistant black plastic, ideal for portable gadgets and DIY prototypes.
Battery Type: 2 x AA
Total Output Voltage: 3V.
Connector: DC 2.1mm Male Barrel Plug.
Switch Type: Integrated Slide Switch.
Material: Durable ABS Plastic.
Color: Industrial Black.
Closure: Removable Sliding Cover.
Development Boards: Directly power Arduino or similar microcontrollers via their onboard DC barrel jacks.
Portable LED Lighting: Ideal for powering small 3V LED arrays or light strips for models and props.
Field Testing: Providing a quick and mobile power source for electronic testing equipment.
Robotics: Powering sensors or micro-motors that require a steady 3V supply.
Is the center pin positive?
Most standard DC 2.1mm connectors used in this style are wired center-positive, making them compatible with common electronic barrel jacks.
Do I need to solder anything?
No! This is a completely solderless solution. Just insert your batteries and plug the DC connector into your device.
Does the lid stay on securely?
Yes, the sliding lid features a snap-lock mechanism that keeps batteries firmly encased even if the project is moved or handled.