OSEPP LS-00020 9V to Barrel Jack Adapter 2 PCS

From the shop's description

OSEPP LS-00020 9V to Barrel Jack Adapter 2 PCS The OSEPP 9V to Barrel Jack Adapter is a simple yet essential accessory for hobbyists and engineers. It allows you to power any electronic device equipped with an on-board barrel jack using a standard 9V battery. This adapter is the perfect solution for making your projects portable and untethered from a wall outlet. ✅Features Plug-and-Play Portability Standard Compatibility Center-Positive Design 📜📚Specifications Feature Specification Product Name 9V Barrel Jack Adaptor Barrel Jack Size 5.5 x 2.1 mm Polarity Center-positive Connector Type Standard 9V Battery Snap to DC Barrel Plug Quantity 2 PCS Compatibility Arduino boards, development boards, and evaluation boards 💻Applications Arduino Powering Development Boards Portable Projects Testing & Prototyping 🎁Package Content