Hp Laptop Charger - Blue Pin

Connector Size: The standard blue pin is 4.5mm (outer diameter) x 3.0mm (inner diameter) with a small center pin. Voltage: Typically 19.5V. Wattage (Power): You can use a higher wattage charger (e.g., 65W instead of 45W), but you should not use a lower one than what your laptop requires. Common versions include: 45W (19.5V, 2.31A) – Used for smaller Ultrabooks and Stream models. 65W (19.5V, 3.33A) – The standard for most Pavilion, ProBook, and EliteBook laptops. 90W+ – For high-performance workstations or gaming models.