AC-virtalähde HP 90W PFC Smart L39754-013 HP-kannettaviin

The AC power adapter HP 90W PFC Smart L39754-013 for HP laptops is a replacement external power supply that delivers up to 90 watts of DC output with integrated power factor correction (PFC). It is designed to provide reliable charging and stable voltage to compatible HP notebook models and to serve as a spare or travel adapter for home and office use. The adapter includes an output connector sized for supported HP systems and incorporates basic protection for connected devices during charging.

Advantages

This 90W power adapter offers steady power delivery with PFC to improve energy efficiency and reduce mains current distortion. It supports consistent charging performance across a range of operating conditions and helps maintain stable system operation while the laptop is in use. The adapter is compact enough for portability and can be used as a direct replacement for lost or damaged original chargers, providing the same nominal wattage required by many HP laptops.

Suitable for

• Charging and powering compatible HP laptops requiring up to 90W
• Use as a replacement or spare charger for travel
• Office and home workstation power needs
• On-the-go professionals who need a compact external adapter

Key specifications

• Output power: 90 watts
• Feature: Power Factor Correction (PFC)
• Input: AC mains voltage compatible with regional standards (auto-switching)
• Output type: DC with connector compatible with supported HP laptop models
• Form factor: External AC adapter with integrated cable
• Protection features: built-in overload and short-circuit protection

How to use

Connect the adapter to an appropriate AC mains outlet using the included mains lead, then plug the DC connector firmly into the laptop's power inlet. Ensure the laptop model is compatible with a 90W supply before use. While charging, avoid placing the adapter on soft surfaces that restrict airflow; allow space for ventilation. If the adapter or cable shows visible damage, discontinue use and replace it to prevent electrical hazards.

Recommendations

For consistent performance, use the adapter with laptops that specify a 90W external power source and avoid connectors that require a different voltage or wattage. Allow the adapter to cool between extended heavy-load sessions and store it in a dry, dust-free environment when not in use.