AC power adapter HP 120W Smart 516798-001 for HP laptops, 120 W output, Smart pin connector

The AC power adapter HP 120W Smart 516798-001 is a mains power supply designed for compatible HP laptops. It delivers up to 120 W of continuous power and uses a Smart pin connector to establish a secure electrical connection with supported notebook models. The adapter is intended to provide stable charging and to allow laptop operation from the mains in home, office, and travel environments.

Advantages

This 120 W adapter provides consistent power delivery suitable for mid- to high-performance notebook usage. The Smart pin connector ensures a reliable physical and electrical connection with compatible HP laptops, reducing the risk of intermittent contact. The adapter’s design supports continuous operation while charging, allowing the laptop to run demanding applications without draining the battery. The compact block and cable arrangement facilitate transport and placement in workspaces and mobile setups.

Suitable for

• Replacing a damaged or lost compatible HP laptop adapter
• Providing a second adapter for multi-location use (home/work/travel)
• Powering the laptop during intensive tasks such as data processing or multimedia playback

Key specifications

• Output power: 120 W
• Connector type: Smart pin connector designed for HP laptops
• Input: standard AC mains voltage compatible with regional power grids
• Form factor: external inline adapter block with attached DC cable
• Intended use: mains charging and direct power delivery for laptops

How to use

Connect the adapter to an appropriate AC mains outlet using the supplied mains lead, then insert the Smart pin connector into the laptop’s power inlet until it seats securely. Verify that the laptop indicates charging or mains power status before use. For safe operation, ensure the adapter is placed on a stable, ventilated surface and avoid covering the adapter during prolonged use. Disconnect the adapter from the mains and the laptop before moving or storing the unit.

Recommendations

Use the adapter only with HP laptop models that accept a Smart pin connector and a 120 W power input. Avoid exposing the adapter to liquids, extreme temperatures, or heavy mechanical stress. If the adapter or cable shows visible damage, discontinue use and replace it. For extended battery health, follow the laptop manufacturer’s charging guidelines and use this adapter primarily when mains power is available.