Fonte de alimentação HP L74881-001 200W com PFC para portáteis HP e dispositivos compatíveis

The HP L74881-001 200W power adapter with PFC is an external AC adapter designed to provide stable, high‑power delivery for compatible HP laptops and other devices that require a 200W supply. It converts mains AC to regulated DC output and includes power factor correction to improve efficiency and reduce mains distortion. The adapter is intended as a replacement or spare for systems that demand sustained power for charging batteries and running performance‑oriented hardware.

Advantages

This 200W adapter offers consistent power output and integrated power factor correction to enhance electrical efficiency and reduce heat generation. Its design focuses on reliable voltage regulation under load, protection against common electrical faults, and compatibility with devices requiring high wattage. The form factor and cable set are optimized for practical use in office, field service, or repair scenarios.

Suitable for

• High‑performance HP laptops and mobile workstations that require a 200W external power source
• Device repairs and replacement units for systems with matching power specifications
• Office and home workstations where stable, continuous power is needed for demanding applications
• Travel or field use when carrying a reliable external power supply for compatible devices

Key specifications

• Output power: 200 watts
• Input: AC mains (universal input range typical for globe‑wide use)
• Power factor correction: integrated PFC for improved efficiency
• Protection features: overcurrent, overvoltage, and short‑circuit protection
• Connector type: DC output plug compatible with specified HP devices
• Cooling: passively or actively cooled enclosure depending on operating conditions

How to use

Connect the adapter to an appropriate AC mains outlet using the supplied power cord, then plug the DC output connector into the compatible laptop or device jack. Ensure the device is switched off or in a low‑power state when first connecting if recommended by the device manufacturer. Monitor the adapter during initial use to confirm normal operation and check that the device is charging or powered correctly.

Recommendations

Use the adapter only with devices that match the required voltage and power rating. Avoid exposing the adapter to liquids, extreme temperatures, or obstructed ventilation. If you notice unusual heat, noise, or odors, disconnect the adapter and inspect the device and power connections. For long‑term reliability, use in environments within the specified mains voltage range and avoid repeated abrupt disconnections under heavy load.