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Black rectangular AC adapter with 7.4mm barrel connector and power brick body

myVolts

myVolts 135W AC Adapter Laptop Charger 19V 7.1A 7.4mm 5.0mm

SKU CH-NBER-JXB15

135 W AC adapter delivers 19 V at 7.1 A through a 7.4 mm by 5.0 mm barrel plug for compatible HP and Compaq desktops and notebooks

  • Delivers 135 W for demanding HP desktops and notebooks
  • Wide 100–240 V input suits global mains supplies
  • 4 mm × 5.0 mm barrel matches listed HP part numbers
  • Replaces OEM units such as HSTNN-HA01 and 592491-001
  • Supports Elite 8000, 8200, 8300 and TouchSmart 600, 610, 620 series

135W AC Adapter for HP Systems

This 135W AC adapter delivers 19V at 7.1A through a 7.4mm outer and 5.0mm inner diameter connector. It accepts a universal 100-240V input at 50-60Hz, making it suitable for worldwide mains voltages. The unit replaces HP part numbers including HSTNN-HA01, 391174-001 and 592491-001. It is designed for HP Elite and Compaq ultra-slim desktops and select business notebooks.

Suits owners of listed HP Elite and Compaq models

Buyers with an HP Elite 8300, 8200, 8000, 7900 or 7800 series ultra-slim desktop, a DC7800 or DC7900, or a TouchSmart 600, 610 or 620 series all-in-one can use this adapter. It also fits numerous NC, NX and NW series business notebooks and the TC4400 tablet PC. Users whose devices require a different output voltage, amperage or connector geometry should look elsewhere.

Steady 135W output under continuous load

The adapter maintains its rated 135W output continuously when powered from a stable 100-240V AC supply. Thermal protection engages if internal temperatures exceed safe limits, restoring operation once cooled. No internal battery is present, so output ceases immediately if mains power is interrupted. The 2A input rating at the low-voltage end of the range ensures adequate headroom for sustained delivery.

Highlights

  • Delivers 135 W for demanding HP desktops and notebooks
  • Wide 100–240 V input suits global mains supplies
  • 4 mm × 5.0 mm barrel matches listed HP part numbers
  • Replaces OEM units such as HSTNN-HA01 and 592491-001
  • Supports Elite 8000, 8200, 8300 and TouchSmart 600, 610, 620 series

Specifications

No published specifications for this item yet.

Questions about this item

Does my laptop need a 7.4 mm outer and 5.0 mm inner diameter barrel plug to use this charger?

Yes, the connector is 7.4 mm outer by 5.0 mm inner diameter, so the laptop must accept that exact barrel size.

Will this 135 W adapter run an older HP nc4400 that originally shipped with a lower-wattage supply?

The adapter is listed as compatible with the nc4400 and will deliver up to 135 W; the laptop draws only what it needs.

How can I confirm the charger is delivering 19 V 7.1 A after I plug it in?

The brick is labelled 19 V 7.1 A 135 W; a multimeter on the barrel tip should read about 19 V with no load.

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