AC power adapter HP 180W 702778-001 compatible with HP laptops

AC power adapter HP 180W model 702778-001 is a replacement power supply compatible with HP laptops. It delivers up to 180 watts of output power to support charging and stable operation of compatible notebook models. The adapter is intended as a spare or replacement unit to restore charging capability and maintain performance during heavy usage, travel, or extended work sessions.

Advantages

This 180W AC power adapter provides consistent power delivery and supports sustained laptop operation under moderate to high load. The adapter is designed to match HP power requirements for compatible laptops and includes standard protections against over-current, over-voltage, and short circuit conditions. Its compact brick form factor and detachable cable options make it suitable for carrying as a replacement or travel accessory.

Suitable for

• Charging and powering compatible HP laptops that require up to 180W
• Replacing a lost or damaged original AC adapter
• Keeping a spare adapter for travel, office, or home use
• Maintaining stable power during high CPU/GPU workloads

Key specifications

• Output power: 180 W
• Input: AC mains voltage compatible with standard regional voltages (auto-ranging)
• Connector type: compatible HP laptop power plug (model-specific)
• Protection features: over-current, over-voltage, short-circuit protection
• Form factor: external AC adapter brick with cable

How to use

Connect the adapter to a mains power outlet using the supplied AC cable, then insert the output connector into the laptop power port until it seats securely. When connected, the laptop should indicate charging status via its battery icon or LEDs. Disconnect the adapter by first unplugging it from the laptop and then removing the AC cable from the mains outlet. Ensure the adapter and cables are used with compatible laptop models and that input voltage matches local mains specifications.

Recommendations

Use the adapter in a well-ventilated area and avoid covering the adapter brick during operation to prevent overheating. Inspect cables regularly for signs of wear or damage and replace if necessary. Do not attempt to open or modify the adapter; use authorized service channels for repairs or replacement. For optimal performance, use the adapter with HP laptops that specify a 180W power requirement or consult the laptop documentation to confirm compatibility.