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

HP

HP HSTNN-LA40 45W 19.5V 2.31A Power Adapter with Cord

SKU CH-Z6ZP-SE3HS MPN HSTNN-LA40

Supplies 45W at 19.5V 2.31A with included cord for compatible HP laptops

  • Delivers 45 W for reliable laptop charging
  • 5 V 2.31 A output matches HP requirements
  • 100-240 V 1.1 A input works worldwide
  • Built-in safeguards protect against voltage, short-circuit and overheating
  • Includes power cord for immediate use

Genuine HP 45W 19.5V Power Adapter

This genuine HP adapter supplies 45 watts at 19.5 volts and 2.31 amps for compatible HP laptops. It includes a detachable power cord for immediate use. The unit is new and manufactured to original equipment specifications. Buyers needing a higher-wattage supply for larger workstations should look elsewhere.

Input Range and Safety Protections

The adapter accepts a universal input of 100 to 240 volts at 1.1 amps across 50 to 60 hertz mains frequencies. Built-in safeguards protect against incorrect voltage, short circuit and internal overheating. These features help maintain stable operation during voltage fluctuations. The fixed output voltage limits use to devices matching the 19.5 volt requirement.

Build Quality and Everyday Use

The housing is built with quality materials to withstand regular transport and daily connection cycles. A standard barrel connector mates securely with the laptop power jack. The included cord uses a common IEC C5 or C7 style plug for easy replacement. Minor cosmetic wear from handling 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

Should I choose the HSTNN-LA40 or HSTNN-CA40 version for my HP laptop?

Both model numbers refer to the same 45W genuine HP power supply; pick whichever matches the label on your original adapter.

What does the 45W rating mean when I plug this adapter into my laptop?

It delivers up to 45 watts at 19.5V and 2.31A, powering compatible HP notebooks and charging their batteries at the manufacturer-specified rate.

What input voltage range does this adapter accept and what does that limit?

The unit accepts 100-240V at 50-60Hz, so it works on mains supplies worldwide without a voltage converter.

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