Fonte de alimentação AC HP 45W 19V 2,31A (MPN 8VK61AV)

AC power adapter HP 45W 19V 2.31A is a compact replacement charger designed to provide stable DC power to compatible HP notebook models. Rated at 45 watts with an output of 19 volts and 2.31 amperes, this adapter serves as a spare or replacement for original mains chargers and supports everyday charging needs at home, in the office, or while travelling. The unit features a standard mains input and a slim form factor intended for straightforward connection and transport.

Advantages

The adapter delivers consistent 19V DC output at up to 2.31A, ensuring stable power delivery for laptops that require this specification. Its compact design reduces bulk in bags and on desks, while standard input compatibility simplifies replacement without additional accessories. Built-in protection circuits typically guard against common electrical faults such as short circuits and overcurrent, contributing to safer operation when used according to manufacturer guidelines.

Suitable for

• Charging compatible HP notebooks and ultrabooks that accept 19V, 2.31A input
• Replacing a lost or damaged factory charger
• Keeping as a spare charger for travel or second workstation use
• Use in home, office, classroom, or while commuting

Key specifications

• Output voltage: 19 V DC
• Output current: 2.31 A
• Output power: 45 W
• Connector type: compatible HP barrel/stable laptop power plug (manufacturer-specific fit)
• Input: standard AC mains input suitable for common regional voltages
• Form factor: compact, lightweight adapter housing

How to use

Connect the adapter to an appropriate AC mains outlet using the included or a compatible power cable, then plug the adapter’s DC connector into the laptop’s power inlet. Ensure the laptop model supports a 19V, 2.31A power source before use. If the device does not power on or charge, verify that the mains outlet is live, cables are fully inserted, and the connector is properly seated. Disconnect the adapter by unplugging the DC connector first, then removing the mains cable from the outlet.

Recommendations

Use the adapter only with devices that accept a 19V, 2.31A input and a matching connector. Avoid exposing the adapter to liquids, extreme temperatures, or prolonged direct sunlight. Inspect cables regularly for damage and replace any worn components. For consistent performance, allow adequate ventilation around the adapter during use and disconnect from mains when not in active use.