HP laptop charger uses a 4.5mm x 3mm blue-tipped barrel connector for Pavilion EliteBook Envy and ProBook laptops. The blue tip distinguishes it from Dell and other brand connectors at the same voltage.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Center+ | DC positive 19.5V | PWR |
| 2 | Outer- | DC ground return | GND |
HP laptop charger uses a 4.5mm x 3mm blue-tipped barrel connector for Pavilion EliteBook Envy and ProBook laptops. The blue tip distinguishes it from Dell and other brand connectors at the same voltage.