![5pcs/lot Experimental 9v Battery Snap Power Cable To Dc 9v Clip Male Line Battery Adapter For Arduino Uno R3 Diy Jack Connector - Integrated Circuits - AliExpress 5pcs/lot Experimental 9v Battery Snap Power Cable To Dc 9v Clip Male Line Battery Adapter For Arduino Uno R3 Diy Jack Connector - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/H8551a3dbf34148bdb3fa8516e6c5ec107/5pcs-lot-Experimental-9V-Battery-Snap-Power-Cable-to-DC-9V-Clip-Male-Line-Battery-Adapter.jpg_Q90.jpg_.webp)
5pcs/lot Experimental 9v Battery Snap Power Cable To Dc 9v Clip Male Line Battery Adapter For Arduino Uno R3 Diy Jack Connector - Integrated Circuits - AliExpress
![9V battery holder with switch & 5.5mm/2.1mm plug : ID 67 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits 9V battery holder with switch & 5.5mm/2.1mm plug : ID 67 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits](http://www.adafruit.com/images/480x360/67-03.jpg)
9V battery holder with switch & 5.5mm/2.1mm plug : ID 67 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: 5pack 9v Battery Clip with 2.1mm X 5.5mm Male DC Plug for Arduino by Corpco : Electronics Amazon.com: 5pack 9v Battery Clip with 2.1mm X 5.5mm Male DC Plug for Arduino by Corpco : Electronics](https://m.media-amazon.com/images/I/41AzOUxthbL.jpg)
Amazon.com: 5pack 9v Battery Clip with 2.1mm X 5.5mm Male DC Plug for Arduino by Corpco : Electronics
![Strange Arduino Behavior with the 9 Volt Power Supply - Installation & Troubleshooting - Arduino Forum Strange Arduino Behavior with the 9 Volt Power Supply - Installation & Troubleshooting - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/6/a/7/6a7873f90eef9cd45ffd6845552c51d943643a6a.jpeg)