Hp Adapter 18.5V3.5A size 7.4x5.0

Brand HP

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SKU 0116

The HP 18.5V 3.5A power adapter with a 7.4x5.0mm barrel connector (commonly known as the large black pin with a central pin) delivers 65 watts of power. It is designed for legacy HP and Compaq business notebooks, ProBooks, and Pavilion laptops.

Specifications

Input Voltage: 100V–240V AC (worldwide use)

Output Voltage: 18.5V

Output Current: 3.5A

Total Power: 65W

Connector Size: 7.4mm outer diameter x 5.0mm inner diameter with center pin

Compatible Laptop Series

HP Pavilion: dv4, dv5, dv6, g4, g6, g7, m6, G42, G60, G61, G62, G70, G72

HP ProBook: 4310s, 4330s, 4510s, 4520s, 4530s, 4710s, 4730s, 5330m, 6460b

HP Compaq Notebooks: 2510p, 2710p, 6510b, 6515b, 6530b, 6535b

Buying and Safety Tips

Match the Tip: Ensure your old charger has the identical black 7.4x5.0mm barrel tip, as newer HP laptops use a smaller 4.5x3.0mm blue tip or USB-C.

Check Voltage: Confirm your laptop's bottom label matches 18.5V. (Using a 19.5V adapter of the same pin size is sometimes cross-compatible depending on the specific model, but matching 18.5V is safest for original legacy units).

Built-in Protections: Look for replacements that feature short-circuit, over-voltage, and over-temperature safety safeguards.