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HP HSTNN-LA40 45W laptop power brick with detachable cord

HP

HP HSTNN-LA40 45W AC Adapter 19.5V 2.31A

SKU CH-EC8B-ZS3YX MPN HSTNN-LA40

Supplies 45 W at 19.5 V 2.31 A from 100–240 V input for HP 15-db0002ds, 15-db0031nr and 15-db0066wm laptops and includes a power cord

  • Genuine HP replacement charges compatible laptops reliably
  • 45 W output at 19.5 V 2.31 A powers 15-db series models
  • 100-240 V 1.1 A input works worldwide
  • Built-in safeguards protect against voltage, short-circuit and overheating faults
  • Includes power cord for immediate connection

Genuine 45 W HP laptop charger

This 45 W AC adapter supplies 19.5 V at 2.31 A for compatible HP notebooks. It accepts a universal 100-240 V input at 50-60 Hz and includes a detachable power cord. The unit is designed to replace a lost or damaged original charger.

Replacement for worn or missing 45 W units

Swapping to this adapter restores reliable charging when an existing brick fails, frays or is left behind. The step up is worthwhile when the original supply no longer holds a firm connection or its cable shows exposed conductors. It matches the factory voltage and current rating exactly.

Steady output under continuous load

Built-in safeguards protect against incorrect voltage, short circuit and internal overheating during extended use. The adapter maintains its rated output without thermal throttling when powering the laptop and charging the battery simultaneously. Minor cosmetic wear on the housing does not affect electrical performance.

How it compares

Measured against everything we stock in Other Adapters & Couplers, at today’s prices. Recalculated every night.

Price $18.99
Typical for this category: the median of 1,761 items is $18.99.

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Specifications

No published specifications for this item yet.

Questions about this item

What laptop models does the HSTNN-LA40 adapter fit?

The adapter is listed for HP 15-db0002ds, 15-db0031nr and 15-db0066wm laptops.

How is the HSTNN-LA40 installed and what step is often missed?

Connect the power cord to the adapter brick, plug the cord into a 100-240V outlet, then insert the barrel tip firmly into the laptop DC jack until it seats.

What part of the HSTNN-LA40 will need replacement over time?

The detachable power cord and the barrel-tip cable are the wear items; the brick itself has no user-serviceable parts.

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