charger DELL 19.5V / 12.3A 240w Pin

A Dell 240W charger pin is:

🔌 Main connector type

👉 7.4mm × 5.0mm barrel connector with a center “smart pin”

⚡ What it means

• Outer diameter: 7.4mm
• Inner diameter: 5.0mm
• Inside has a thin metal pin (center pin)
• This pin is used so the laptop can identify the charger wattage (240W) and allow full performance