Key Features
- Connector Type 1: Standard 9V Battery Snap (T-type or I-type).
- Connector Type 2: 5.5mm x 2.1mm DC Barrel Jack (Male).
- Polarity: Centre-Positive. The centre pin of the barrel jack is connected to the Red (+) wire, and the outer barrel is connected to the Black (-) wire.
- Easy to Use: Instantly converts a 9V battery into a DC power source.
- Cable: Standard Red (Positive) and Black (Negative) wires.
Technical Specifications
| Feature | Specification |
| Input | 9V Battery Clip |
| Output | DC Barrel Plug: 5.5mm (Outer), 2.1mm (Inner) |
| Polarity | Center-Positive |
| Cable Length | Approx. 15cm (5-7 inches) |
| Wire Type | 24AWG or 26AWG |
Common Applications
- Powering Arduino Uno, Mega, and other development boards.
- Creating portable power for DIY electronics projects and prototypes.
- Powering guitar effects pedals.
- Replacing broken battery connectors on 9V-powered devices.
Important: Always check that your device is compatible with a 9V power source and accepts a center-positive DC plug. Reversing polarity can damage sensitive electronics.














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