1. Acabatview
This manual provides essential instructions for the safe and efficient use of your HP 120W AC Adapter Power Charger. This adapter is designed to provide reliable power to compatible HP laptops and other devices, ensuring optimal performance and charging.
Les característiques clau inclouen:
- Entrada universal Voltage: Supports AC input from 100V to 240V, 50-60Hz, for worldwide compatibility.
- Sortida d'alta potència: Delivers 19.5V at 6.15A, totaling 120W, suitable for various HP devices requiring this power profile.
- Ventilador de refrigeració intel·ligent: Incorporates a smart cooling fan for efficient heat dissipation, contributing to the adapter's longevity and stable operation.
- Disseny durador: Constructed for everyday use, resisting wear and bending.
2. Què hi ha a la caixa
Upon unpacking your HP 120W AC Adapter, you should find the following components:
- 1 x HP 120W AC Adapter Unit
- 1 x AC Power Cord (for wall outlet connection)
- 1 x DC Output Cable with 7.4mm Tip (integrated with adapter)

Image: The HP 120W AC Adapter unit shown with its detachable AC power cord and the integrated DC output cable featuring a 7.4mm tip.
3. Instruccions de configuració
Follow these steps to correctly set up your HP 120W AC Adapter:
- Connecteu el cable d'alimentació de CA: Insert the female end of the AC power cord firmly into the input port on the HP 120W AC Adapter unit.
- Connectar-se al portàtil: Plug the 7.4mm DC output tip of the adapter's integrated cable into the power input port on your compatible HP laptop. Ensure the connection is secure.
- Connecteu-vos a la presa de corrent: Insert the male end of the AC power cord into a standard wall power outlet.

Imatge: Un primer pla view of the 7.4mm DC output tip, which connects to the laptop's power port.

Image: The HP 120W AC Adapter with its label clearly visible, displaying technical specifications and various safety certifications. The product identifier WCNVH0AAR3E275 is also visible on the label.
4. Funcionament
Once properly connected, the HP 120W AC Adapter will begin charging your laptop. Most HP laptops have an indicator light near the power port or on the adapter itself to show charging status.
The adapter is designed to operate within a wide input voltage range (100-240V), making it suitable for use in various regions. Its 120W output ensures efficient power delivery for demanding tasks and quick battery charging.
For optimal performance, ensure the adapter is placed in a well-ventilated area to allow the smart cooling fan to function effectively.
Video: This video demonstrates the connection and use of an HP 120W charger with a 7.4mm tip, highlighting its compatibility and ease of use. It shows the adapter being connected to a laptop and a power outlet.
5. Manteniment
To ensure the longevity and optimal performance of your HP 120W AC Adapter, consider the following maintenance tips:
- Manejar amb cura: Avoid dropping the adapter or subjecting it to physical impact.
- Gestió de cables: Do not sharply bend, twist, or crimp the cables. Use the included Velcro straps (if applicable) to keep cables neatly organized when not in use or during travel.
- Mantenir sec: Protect the adapter from moisture and liquids. Do not operate it in wet conditions.
- Ventilació: Ensure the adapter is placed in an area with adequate airflow to prevent overheating. Do not cover it with cloths or place it on soft surfaces that can block ventilation.
- Neteja: Disconnect the adapter from power before cleaning. Use a soft, dry cloth to wipe the exterior. Avoid using harsh chemicals or abrasive materials.
6. Solució De Problemes
If you encounter issues with your HP 120W AC Adapter, refer to the following common troubleshooting steps:
- Sense alimentació/Càrrega:
- Verify that both the AC power cord and the DC output cable are securely connected to the adapter and your laptop.
- Assegureu-vos que la presa de corrent de la paret funciona provant-la amb un altre dispositiu.
- Check for any visible damage to the cables or adapter unit.
- Sobreescalfament:
- Assegureu-vos que l'adaptador estigui en una zona ben ventilada i no estigui tapat.
- Confirm that your laptop's power requirements do not exceed 120W.
- Càrrega intermitent:
- Check for loose connections at both the adapter and laptop ends.
- Inspect the DC tip for any bending or damage.
If these steps do not resolve the issue, contact HP customer support for further assistance.
7. Especificacions
| Característica | Especificació |
|---|---|
| Volum d’entrada de CAtage | 100 ~ 240 V, 50 ~ 60 Hz |
| Vol. de sortida de CCtage | 19.5 V |
| Ampedat | 6.15 Amps |
| Wattage | 120 watts |
| Tipus de connector | Proprietary 7.4mm Tip |
| Dispositius compatibles | HP laptops and other devices requiring 19.5V, 6.15A, 120W with a 7.4mm tip. |
| Números de peça compatibles | 677762-002, 644699-001, 644699-003, 645156-001, 463556-001, 463555-002, 463556-002, 463557-001, 391174-001, 463953-001, 463959-001, 384023-001, ADP-120MH D, ADP-120MH B, PA-1121-52HH, HSTNN-CA25, HSTNN-DA25, HSTNN-LA25, VE025AA#ABA, NW199AA#ABA, ED519AA |
| Color | Negre |
| Pes de l'article | 1.39 lliures |
| Dimensions del paquet | 8.66 x 4.92 x 2.52 polzades |
| Característica especial | Ventilador de refrigeració intel·ligent |
8. Garantia i Suport
This HP 120W AC Adapter is subject to a 30-day return policy. For specific warranty details, please refer to the documentation provided with your purchase or contact HP customer support.
Hi ha plans de protecció opcionals disponibles per a una cobertura ampliada:
- Pla de protecció de 2 anys
- Pla de protecció de 3 anys
- Complete Protect (covers eligible past and future purchases)
Per a assistència tècnica o reclamacions de garantia, visiteu el servei d'assistència oficial d'HP weblloc o poseu-vos en contacte amb el seu servei d'atenció al client.