AC power adapter HP 45W 18A61AV, compatible with HP laptops, 45 W output

The AC power adapter HP 45W 18A61AV is a compact replacement power supply compatible with a range of HP laptops that require a 45 W DC input. Designed to convert mains AC to a stable DC output, this adapter supports everyday charging and operation of laptops at home, in the office or on the move. Its small form factor and integrated cable design make it suitable as a primary charger or as a spare for travel.

Advantages

This adapter delivers a rated 45 W output to provide steady power for compatible HP notebook models while maintaining low heat generation and efficient energy conversion. The compact and lightweight housing improves portability and storage convenience. Built-in protection features such as overcurrent and short-circuit protection help safeguard the laptop and adapter during normal use. The adapter’s design supports continuous charging and operation without significant performance degradation when used within specified limits.

Suitable for

• Everyday laptop charging at home or in the office
• Travel and mobile use where a compact 45 W adapter is required
• Replacing a lost or damaged original power adapter for compatible HP notebooks
• Keeping as a secondary charger for multi-location setups (workstation, bag, travel kit)

Key specifications

• Output power: 45 W nominal
• Output type: DC power suitable for compatible HP laptops
• Input: standard mains AC input (voltage and frequency depend on regional mains)
• Connector: HP-compatible DC barrel or proprietary tip designed for matching laptop inlet
• Form factor: compact, lightweight adapter housing with attached cable
• Protection: built-in overcurrent and short-circuit safeguards

How to use

Connect the adapter to a suitable mains outlet using the regional power cord, then insert the DC connector into the laptop’s power input while the laptop is powered off or on. The adapter supplies continuous power and charges the battery when the laptop’s battery management allows charging. Avoid placing the adapter on soft surfaces that obstruct ventilation and disconnect the adapter from mains power before cleaning or prolonged storage. Use only with laptops that accept a 45 W input and an HP-compatible connector to ensure correct operation.

Recommendations

For reliable performance, operate the adapter within standard ambient temperature ranges, keep vents unobstructed, and replace the adapter if the cable, connector, or housing shows signs of damage. Use the adapter with compatible HP laptops that specify a 45 W external power source and avoid improvising connector modifications.