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HP 45 W laptop AC adapter brick with detachable power cord

HP

HP HSTNN-LA40 45 W 19.5 V 2.31 A laptop AC adapter with cord

SKU CH-RZYV-TS2MW MPN HSTNN-LA40

Authentic HP 45 W AC adapter delivers 19.5 V at 2.31 A with included power cord

  • Authentic HP replacement charger ensures safe power delivery
  • 45 W output matches original laptop specifications
  • 5 V 2.31 A regulated output protects internal components
  • 100-240 V 50-60 Hz input works worldwide
  • Includes power cord for immediate use

Authentic 45 W HP laptop adapter

This genuine HP HSTNN-LA40 AC adapter delivers 45 W at 19.5 V and 2.31 A for compatible HP laptops. It accepts a worldwide input range of 100-240 V at 1.1 A, 50-60 Hz. The unit is intended for owners of supported models such as the 250 G5 and 250 G6 who need a direct replacement power supply.

Included power cord enables immediate use

A standard mains cord is bundled so the adapter can be plugged in straight away without sourcing a separate cable. The package therefore provides both the brick and the cord required for a complete connection from wall outlet to laptop. No additional accessories or software are mentioned in the specifications.

Built-in safeguards protect against faults

The adapter incorporates protection against incorrect voltage, short circuit and internal overheating to help preserve the laptop and the unit itself. Supplier notes indicate the housing may show minor cosmetic wear from inspection and cleaning, while function meets manufacturer specifications. Connector layout follows the standard barrel tip used by the listed HP models.

Highlights

  • Authentic HP replacement charger ensures safe power delivery
  • 45 W output matches original laptop specifications
  • 5 V 2.31 A regulated output protects internal components
  • 100-240 V 50-60 Hz input works worldwide
  • Includes power cord for immediate use

Specifications

No published specifications for this item yet.

Questions about this item

Will the power cord need replacing after a few years of use?

The adapter ships with a detachable power cord included; replacement cords with a standard IEC C7 connector are widely available if the original becomes damaged.

What is the first limit reached when the adapter runs at full 45 W continuously?

The output is capped at 19.5 V and 2.31 A, so the current limit is reached before the voltage limit under sustained full-load operation.

How much heat and noise does the adapter produce when left plugged in all day?

The unit has no fan and relies on passive convection; it runs silently and warms to a moderate temperature while delivering up to 45 W.

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