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Compact black rectangular AC adapter with detachable power cord, 18.5V 3.5A 65W output, 4.8mm barrel connector

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E-buy 65W 18.5V AC Adapter for HP DV5121 DV5122

SKU CH-4Y1Y-PESY4

65 W, 18.5 V AC adapter for HP DV5121 and DV5122 laptops with included power cord and 1.7 mm by 4.8 mm connector

  • Power adapter voltage18.5 V
  • Power adapter current3.5A
  • Power adapter wattage65 W
  • Delivers 65W of charging power for compatible HP laptops
  • Accepts worldwide 100–240V AC input at 50–60Hz
  • Includes AC power cord for immediate use
  • 7 mm inner and 4.8 mm outer connector fits HP DV5121 and DV5122 models

65W 18.5V Adapter for HP DV5121 DV5122

This 65 watt AC adapter supplies 18.5 volts at 3.5 amps for compatible HP laptops. It accepts a universal AC input range of 100 to 240 volts at 50 to 60 hertz. The connector features a 1.7 millimetre internal diameter and a 4.8 millimetre external diameter. A power cord is included with the unit.

Replaces lost or faulty 65W chargers for listed

The adapter restores charging capability when the original power supply is damaged or missing. It matches the specified voltage and current for the DV5121 and DV5122 series. Buyers needing a higher wattage output or a different connector size should verify their laptop requirements before purchase.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $16.99
Cheaper than about 78% of the 27,790 comparable items (median $30.99).

Specifications

Power
Power adapter voltage18.5 V
Power adapter current3.5A
Power adapter wattage65 W

Questions about this item

What connector size does the adapter use for HP DV5121 and DV5122 models?

The DC plug has a 1.7 mm internal diameter and 4.8 mm external diameter, matching the barrel jack on those HP laptops.

How do I connect the adapter to mains power and what mistake should I avoid?

Plug the supplied AC cord into the adapter's IEC inlet, then into a 100-240 V 50-60 Hz outlet; the common error is inserting the DC plug upside down — align the centre pin before pushing.

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