9V battery clip to male DC adapter for Arduino Uno R3

This adapter allows you to easily connect a 9V battery to an Arduino Uno R3 board via a 2.1 x 5.5 mm male DC barrel jack connector. It consists of a cable with a 9V battery snap on one end and a male DC plug on the other, compatible with the power input of Arduino boards, Cubloc, or other devices requiring a 7–12V external power supply.

Main features:

• Connector: 9V battery clip to 2.1 x 5.5 mm male DC plug (center positive)
• Cable length: approximately 14.5 cm
• Material: high-quality plastic, copper wires
• Colors: black and red for easy polarity identification
• Installation: plug-and-play, no soldering required, quick and secure connection
• Compatibility: designed for Arduino Uno R3, Mega 2560, 1280, and other boards with a DC power jack

Example project use:

A typical use case is making an Arduino project portable, such as a mobile weather station, a standalone temperature sensor, or a simple robot prototype. For example, an Arduino thermometer powered by a 9V battery using this adapter can operate independently, without being connected to a computer or wall outlet, allowing you to deploy your project in the field or in locations without electricity access.

Application areas:

1. Electronic prototyping
3. Educational projects and classroom experiments
5. Portable connected objects (IoT)
7. Robots, remote-controlled cars, electronic toys
9. Standalone sensor systems and embedded devices

Important note:

Using a standard 9V battery is suitable for low-power projects (LEDs, sensors, microcontroller only). For projects requiring more power (motors, actuators), it is recommended to use higher-capacity batteries or an external power supply, as a 9V battery will drain quickly under heavy load.