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Compact black AC adapter brick with blue-tip barrel connector and detachable mains cord

Blueskysea

Blueskysea 45W 19.5V 2.31A AC Adapter Blue Tip

SKU CH-6T42-GX4JK

45W 19.5V 2.31A AC adapter with 4.5 mm blue tip connector for compatible HP Pavilion, Stream and Envy x360 models

  • TypeAC Adapters
  • 45 W output powers compatible HP laptops efficiently
  • 5 V 2.31 A rating matches original charger specifications
  • 5 mm x 3.0 mm blue-tip connector fits listed HP models
  • 100-240 V 50-60 Hz input works worldwide
  • Replaces HP part numbers L25296-001 741727-001 and others

45W Blue-Tip Charger for HP Laptops

This 45W AC adapter delivers 19.5V at 2.31A through a 4.5mm by 3.0mm blue-tip connector. It replaces HP part numbers such as L25296-001 and 741727-001. The unit suits HP Pavilion 11, 13, 14 and 15 notebooks plus Stream and Envy x360 models that require a 45W blue-tip supply.

Thermals Noise and Power Draw

The adapter accepts 100 to 240V AC at 50 to 60Hz for worldwide mains compatibility. It provides a steady 45W output with no fan, so operation is silent. Typical efficiency keeps the housing warm but not hot during normal charging cycles.

Build Quality and Connector Implications

The blue-tip barrel plug fits the listed HP models securely, preventing accidental disconnects. A fixed mains lead means no separate IEC cable to lose, but it also requires a nearby socket or an extension strip. The compact brick is light enough for daily carry in a laptop bag.

Highlights

  • 45 W output powers compatible HP laptops efficiently
  • 5 V 2.31 A rating matches original charger specifications
  • 5 mm x 3.0 mm blue-tip connector fits listed HP models
  • 100-240 V 50-60 Hz input works worldwide
  • Replaces HP part numbers L25296-001 741727-001 and others

Specifications

TypeAC Adapters

Questions about this item

How do I connect the 4.5 mm x 3.0 mm blue tip to my HP laptop without damaging the port?

Align the blue-tip connector with the laptop's power jack and insert it straight in until it seats firmly; forcing it at an angle can bend the centre pin or crack the port housing.

Which part of this 45 W 19.5 V 2.31 A adapter is most likely to need replacement after extended use?

The detachable AC power cord and the DC cable near the blue-tip connector tend to wear first from repeated bending and plugging cycles.

What thermal or electrical limit appears first when this charger runs continuously at full 45 W load?

The adapter's internal over-temperature protection will trip before the 19.5 V 2.31 A output can be exceeded, causing a temporary shutdown until it cools.

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