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Black rectangular HP 45W laptop power adapter with attached cable and separate power cord

HP

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

SKU CH-QPYR-Y7YZM MPN HSTNN-LA40

A 45W HP power adapter delivering 19.5V at 2.31A with an included power cord

  • Original HP 45W adapter ensures reliable laptop charging
  • Wide 100-240V input works worldwide without a converter
  • Precise 19.5V 2.31A output protects your device from incorrect voltage
  • Built-in safeguards prevent short circuit and internal overheating
  • Includes power cord so it is ready to use immediately

What this adapter does

The HP HSTNN-LA40 is a 45W power supply rated for 19.5V at 2.31A. It accepts 100-240V input at 50-60Hz and includes a power cord. It is intended for compatible HP laptops such as the 15-DB0030NR, 15-DB0074NR and 15-F100 models.

Behaviour under load

The unit delivers a steady 45W output through built-in safeguards against incorrect voltage, short circuit and internal overheating. These protections help maintain stable operation during extended charging sessions without thermal throttling or sudden shutdowns.

Build and connections

Each adapter is inspected and cleaned to meet manufacturer specifications and may show minor cosmetic wear. The included power cord enables immediate connection to a wall outlet, while the barrel connector mates directly with the supported laptop models for daily use.

Highlights

  • Original HP 45W adapter ensures reliable laptop charging
  • Wide 100-240V input works worldwide without a converter
  • Precise 19.5V 2.31A output protects your device from incorrect voltage
  • Built-in safeguards prevent short circuit and internal overheating
  • Includes power cord so it is ready to use immediately

Specifications

No published specifications for this item yet.

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