পণ্যের বিবরণ

This 9V Battery to 2.1mm Barrel Jack Connector allows you to power your Arduino Uno, Mega, NodeMCU, and similar boards using a standard 9V battery. Simply snap the connector onto a 9V battery and plug the DC 5.5mm x 2.1mm jack into your Arduino’s power port.

Perfect for portable, battery-powered, or on-the-go electronics projects, this adapter offers a simple, solder-free power solution for beginners and makers.

🔧 Key Features:
Snap-on T-style clip for 9V batteries

Output: DC 5.5mm x 2.1mm barrel plug (center positive)

Wire length: ~15 cm

Compatible with Arduino Uno, Mega, NodeMCU, etc.

No soldering required

Lightweight and reusable

🛠️ Common Uses:
Powering Arduino Uno without USB

Battery-powered electronics and prototypes

Quick classroom or lab setups

On-field or portable Arduino project