AC Adapter HP L57117-001 120W Slim PFC power supply for HP laptops

AC Adapter HP L57117-001 120W Slim PFC power supply for HP laptops is a compact external power adapter that delivers regulated 120 watts with power factor correction (PFC) for compatible HP notebook models. The slim housing reduces bulk and simplifies transport while providing stable DC output to charge the battery and power the laptop during use. The adapter is intended as an original-style replacement or spare for systems that require a 120W HP adapter with a matching connector and voltage output.

Advantages

The adapter offers consistent 120W power delivery with integrated power factor correction to improve energy efficiency and reduce reactive power. Its slim form factor minimizes space on a desk and in a bag, while the durable casing and cable strain reliefs increase reliability in daily use. The design supports automatic voltage regulation and built-in protections against overcurrent, short circuit and thermal events, helping to safeguard the laptop during charging.

Suitable for

• Charging and powering compatible HP laptops that require a 120W slim external adapter
• Replacing a lost or damaged original HP power adapter with the same power and connector characteristics
• Use at home, in the office, or when traveling due to its compact slim design

Key specifications

• Output power: 120 watts
• Power correction: Active power factor correction (PFC)
• Form factor: Slim, compact external adapter
• Protection features: Overcurrent, short-circuit, thermal protection
• Use: Designed for compatible HP laptop models requiring 120W DC input

How to use

Connect the adapter to an appropriate AC mains outlet using the supplied AC cable, then plug the DC connector into the laptop power inlet until it seats securely. Ensure the laptop and adapter specifications match (voltage and connector type) before use. While charging, place the adapter on a stable, ventilated surface to allow heat dissipation. Disconnect the adapter from the mains when not in use or during maintenance on the laptop.

Usage recommendations

Verify compatibility with your HP laptop model and the required input rating before purchase. Use the adapter in environments within the recommended ambient temperature range and avoid covering the adapter during operation to prevent overheating. If the adapter or cable shows visible damage, discontinue use and replace with a qualified unit.