✅ Key Features:

• Connector Type: 9V battery snap to DC male plug (5.5mm × 2.1mm)

• Cable Length: Approx. 12-15 cm

• Polarity: Center-positive (typical for Arduino and similar boards)

• Material: Flexible insulated wire with strong snaps for firm battery grip

• Quick & Easy Setup: No soldering or special tools needed

⚙️ Applications:

• Power supply for Arduino, ESP8266, and development boards

• Ideal for prototyping, testing, and mobile setups

• Great for DIY kits, STEM education projects, and hobby electronics

📐 Specifications:

• Input: 9V battery (PP3 style - not included)

• Output: Standard DC male barrel plug

• Polarity: Center positive (unless otherwise specified)