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Black rectangular HP 45W AC adapter with power cord

HP

HP HSTNN-LA40 H6Y88AA H6Y88AA-ABA H6Y88AA-ABB 45W 19.5V 2.31A ac adapter

SKU CH-Y8DM-MA29E MPN HSTNN-LA40

Genuine HP 45 W AC adapter with 19.5 V 2.31 A output, 100–240 V input and included power cord

  • Genuine HP replacement keeps your laptop powered safely
  • 45 W output at 19.5 V 2.31 A matches original specs
  • 100-240 V 50-60 Hz input works worldwide
  • Built-in protection against incorrect voltage, short circuit and overheating
  • Power cord included so you can plug in immediately

Genuine HP 45W AC adapter

This genuine HP 45W AC adapter replaces a lost or damaged charger for compatible HP laptops. It delivers 19.5V at 2.31A from a 100-240V 50-60Hz mains supply. The unit includes a power cord for immediate use. Buyers needing a higher-wattage supply for larger workstations should verify their device requirements before purchase.

Fits standard IEC mains cable

The adapter accepts a standard IEC C5 or C7 mains lead, which is supplied in the box, so no separate cable hunt is required. Its 45W output covers ultraportables and everyday notebooks that specify 19.5V 2.31A input. Systems that demand more current for discrete graphics or fast charging will not reach full performance with this unit.

Built-in protection under load

Internal safeguards guard against incorrect voltage, short circuit and internal overheating during continuous operation. The adapter maintains its rated 45W output without tripping when the laptop draws sustained current. It is not intended for devices that exceed the 2.31A limit or require variable-voltage negotiation.

Highlights

  • Genuine HP replacement keeps your laptop powered safely
  • 45 W output at 19.5 V 2.31 A matches original specs
  • 100-240 V 50-60 Hz input works worldwide
  • Built-in protection against incorrect voltage, short circuit and overheating
  • Power cord included so you can plug in immediately

Specifications

No published specifications for this item yet.

Questions about this item

How long will the 45 W output hold up when the adapter runs continuously?

The unit is rated for a steady 45 W output at 19.5 V and 2.31 A, so that limit is reached as soon as the laptop draws full load.

Does the brick get noisy or hot during all-day use?

The adapter has no fan; it relies on passive cooling and built-in overheating protection, so it runs silently and stays within safe temperatures.

Which HP laptops can use this HSTNN-LA40 adapter?

It fits HP models that require a 19.5 V, 2.31 A, 45 W supply with the matching barrel connector.

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