AC adapter HP 45W 849649-002 — laptop power supply 45W, replacement charger

AC adapter HP 45W 849649-002 is a 45-watt laptop power supply designed as a replacement or spare charger for compatible HP notebooks. It delivers stable DC output to power and charge laptops during both stationary and mobile use. The adapter is compact and lightweight, making it suitable for carrying in a laptop bag or storing as a secondary power source.

Advantages

The adapter offers a consistent 45W power delivery appropriate for many compact and mainstream HP laptops, helping maintain battery charge and device operation under typical workloads. Its compact design reduces bulk and weight compared with larger adapters, and the unit incorporates standard safety features for short-circuit and overcurrent protection, ensuring reliable operation when connected to compatible devices.

Suitable for

• Replacing a lost or damaged original HP laptop charger
• Using as a spare charger for travel or office
• Powering and charging compatible HP notebooks during regular use
• Providing a compact power solution for lightweight and ultraportable laptops

Key specifications

• Output power: 45 watts
• Output type: DC power output suitable for HP laptops
• Input: AC mains compatibility for common household and office voltages
• Connector style: laptop DC barrel or manufacturer-specific plug for compatibility with supported HP models
• Design: compact, lightweight external AC adapter with attached or detachable cable
• Protection: built-in safeguards against overcurrent and short circuit

How to use

Connect the AC adapter to a compatible AC mains outlet using the supplied power cord. Plug the adapter's DC connector into the laptop's power input port until it is seated securely. Verify that the laptop indicates charging or that the power LED is illuminated. Use the adapter while the laptop is on or off to charge the battery or provide continuous power. Disconnect by removing the DC connector from the laptop, then unplug the adapter from the mains outlet when not in use.

Recommendations

Use only with HP notebook models that accept a 45W DC input and the adapter's connector type. Avoid exposing the adapter to moisture, extreme temperatures, or heavy impact. For safe operation, insert and remove connectors by holding the plug, not the cable. If the adapter becomes hot, produces unusual noises, or emits smoke or odors, disconnect immediately and contact a qualified technician or authorized service provider.