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Compact black rectangular power brick with detachable mains cord and barrel-tip output lead

HP

HP HSTNN-LA40 45W DC Adapter for Spectre x360 G2 Convertible PC with Cord

SKU CH-GD7A-T3438 MPN HSTNN-LA40

A 45W AC adapter with cord for Spectre x360 G2 convertible PCs, supplying 19.5V at 2.31A from 100-240V input

  • Genuine HP replacement powers Spectre x360 G2 reliably
  • 45 W output matches original charger specification exactly
  • 100-240 V 50-60 Hz input works worldwide
  • 5 V 2.31 A delivery protects against voltage errors
  • Includes power cord for immediate use

45 W power adapter with cord

This genuine HP AC adapter supplies 45 W at 19.5 V and 2.31 A. It accepts a universal 100-240 V input at 50-60 Hz and ships with a power cord. The unit is intended for the HP Spectre x360 G2 Convertible PC.

Suitable for Spectre x360 G2 owners

Buyers needing a replacement or spare charger for the Spectre x360 G2 will find the correct voltage and connector here. Users of other HP models or laptops from different brands should verify compatibility before purchase.

19.5 V 2.31 A output specification

The adapter delivers a fixed 19.5 V at 2.31 A for a total of 45 W. Matching this exact output is the single detail that decides whether the part will power the Spectre x360 G2 correctly.

How it compares

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

Price $21.99
Pricier than about 63% of the 1,761 comparable items (median $18.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What AC input range and frequency does the 45 W adapter accept?

The adapter accepts 100-240 V at 1.1 A across 50-60 Hz, so it works on mains supplies worldwide without a voltage switch.

What comes in the box for mounting or connecting the adapter?

The package includes the 45 W adapter brick and a detachable mains power cord; no mounting brackets or additional cables are supplied.

How do you connect the adapter to the Spectre x360 G2, and what step is often missed?

Plug the mains cord into the adapter, then insert the barrel plug fully into the laptop's charging port until it seats; the common mistake is leaving the plug partially inserted, which prevents charging.

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