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Black rectangular AC adapter with integrated cable and included power cord

E-buy

E-buy 65W 18.5V AC adapter for HP Dv4030 Dv4031

SKU CH-8JHW-ECK73

Supplies 65 W at 18.5 V to HP Dv4030 and Dv4031 laptops with a 4.8 mm barrel connector

  • Power adapter voltage18.5 V
  • Power adapter current3.5A
  • Power adapter wattage65 W
  • 65 W output keeps compatible HP laptops powered
  • 5 V 3.5 A matches original charger specifications
  • 100–240 V 50–60 Hz input works worldwide
  • 8 mm × 1.7 mm connector fits DV4030 and DV4031 models

65 W 18.5 V adapter for HP Dv4030 and Dv4031

This 65 W AC adapter supplies 18.5 V at 3.5 A for compatible HP Dv4030 and Dv4031 models. The barrel connector measures 1.7 mm inner diameter and 4.8 mm outer diameter. An AC power cord is included for immediate use.

Thermals noise and power draw in normal use

The unit accepts 100 to 240 V input at 50 to 60 Hz and delivers a steady 65 W DC output. It operates silently with no moving parts and generates only modest warmth during typical charging sessions.

How it compares

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

Price $17.99
Cheaper than about 76% 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

How do I install the E-buy 65W 18.5V adapter, and what connector mistake should I avoid?

Connect the included AC power cord to the adapter, plug into a 100–240V 50/60Hz outlet, then insert the 1.7 mm inner / 4.8 mm outer barrel tip firmly into the HP Dv4030 or Dv4031 charging port; the common error is using a tip with a different inner diameter that appears to fit but will not make reliable contact.

What maintenance or replacement will this adapter need later?

No routine maintenance is required; keep the ventilation slots clear of dust and avoid tightly coiling the cables. If the DC cable frays, the barrel tip loosens, or output drops below 18.5V 3.5A, replace the unit.

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