AC power adapter HP 120W 849651-001 for laptops, replacement power supply

The AC power adapter HP 120W 849651-001 is a replacement power supply designed to deliver stable DC power to compatible HP laptops. It provides up to 120 watts of output power to charge the battery and power system components, using the original HP connector type for a secure fit. The adapter is intended for use at home, in the office, or while traveling and is compatible with systems that accept this power rating and connector form factor.

Advantages

This HP 120W power adapter offers consistent voltage and current output to support normal laptop operation and battery charging. Designed to match the original connector and power profile, it reduces the risk of loose connections and intermittent power. The adapter includes standard safety protections against overload, short circuit and over-temperature, helping to maintain device reliability during extended use. Its compact, rectangular housing and integrated cable make it practical for carrying in laptop bags.

Suitable for

• Laptops requiring a 120W external AC adapter with the original HP connector
• Replacing a lost or damaged OEM power supply
• Use in home, office, or while traveling where a stable 120W supply is needed

Key specifications

• Output power: 120 W
• Output type: DC power suitable for laptop charging and operation
• Connector: original HP-compatible laptop connector
• Input: AC mains voltage range typical for laptop adapters (auto-switching)
• Protections: overload, short-circuit and over-temperature protection
• Form factor: compact rectangular adapter with attached output cable

How to use

Connect the adapter to an appropriate AC mains outlet using the supplied AC input cable. Plug the output connector into the laptop’s power socket until it seats securely. Confirm that charging indicators on the laptop show battery charging or power-on status. When not in use, disconnect the adapter from the mains and the laptop. Avoid placing the adapter on soft surfaces that could block ventilation during sustained use.

Recommendations

Use this HP 120W adapter only with compatible HP laptops that accept a 120W input and the matching connector. Verify the laptop’s power requirements before use. Keep the adapter and cables dry and free from heavy strain; allow ventilation around the adapter during extended operation.