10PCS 9V BATTERY CLIPS: Includes 10 high-quality 9V battery clip connectors with DC 5.5mm x 2.1mm male barrel plugs—ideal for powering Arduino Uno and similar devices.
STANDARD BARREL PLUG CONNECTOR: Features a 5.5mm outer / 2.1mm inner male DC plug, compatible with most DC input jacks used in Arduino boards and LED strip lights.
PLUG-AND-PLAY POWER: Quickly connect a 9V battery to your electronics—great for powering microcontroller boards with barrel jack inputs, sensors, or breadboard circuits.
FOR ARDUINO UNO AND COMPATIBLE BOARDS: Suitable for boards that support 9V DC input through a barrel jack. Not recommended for direct use with 3.3V/5V-only devices like ESP32 or ESP8266 without a voltage regulator.
DURABLE & FLEXIBLE DESIGN: Sturdy battery clips and flexible wires make these adapters reliable for classroom use, STEM projects, or everyday DIY electronics tasks.