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Compact black AC adapter with blue 4.5 mm barrel tip

Kenuco

Kenuco 45W 19.5V 2.31A AC Adapter with 4.5 mm Blue Tip

SKU CH-F4YC-ZM308

45 W AC adapter delivering 19.5 V at 2.31 A with a 4.5 mm blue tip for compatible HP laptops

  • TypeAC Adapters
  • Delivers 45 W of power for reliable laptop charging
  • Supplies 19.5 V at 2.31 A to match HP specifications
  • Features a 4.5 mm blue-tip connector for secure fit
  • Replaces HP part numbers 741727-001 and 740015-002 directly
  • Compatible with numerous HP 15, Pavilion and Spectre models

What this adapter is

The Kenuco 45W 19.5V 2.31A AC adapter replaces the original charger for many HP laptops. It uses a 4.5 mm blue tip connector that fits the listed part numbers and notebook models.

Thermals noise and power

The unit delivers 45 watts at 19.5 volts and 2.31 amps, matching the factory rating for the supported HP systems. Normal operation stays within the original thermal and acoustic envelope.

The connector that decides fit

Only HP laptops that require a 4.5 mm blue tip with the exact 19.5V 2.31A specification will work; models using a different tip size, colour or voltage cannot use this adapter.

Highlights

  • Delivers 45 W of power for reliable laptop charging
  • Supplies 19.5 V at 2.31 A to match HP specifications
  • Features a 4.5 mm blue-tip connector for secure fit
  • Replaces HP part numbers 741727-001 and 740015-002 directly
  • Compatible with numerous HP 15, Pavilion and Spectre models

Specifications

TypeAC Adapters

Questions about this item

How do I install the Kenuco 45W 19.5V 2.31A AC adapter and what step do people often miss?

Plug the barrel connector into the laptop first, then connect the AC cord to the adapter brick, and finally insert the mains plug into the wall outlet. The step most people miss is seating the 4.5 mm blue tip fully until it clicks; a loose fit will prevent charging.

What maintenance or replacement will this 45W 19.5V 2.31A AC adapter need later?

No scheduled maintenance is required. Inspect the AC cord and the 4.5 mm blue tip periodically for fraying, bent pins or discoloration. Replace the whole unit if the cable sheath cracks, the tip becomes intermittent, or the brick emits unusual heat or noise.

What limit appears first on this 45W 19.5V 2.31A AC adapter under sustained use?

The 45 watt output ceiling is the first hard limit. If the connected laptop demands more than 45 W continuously, the adapter will hit its current limit of 2.31 A at 19.5 V, causing voltage droop or protective shutdown until the load drops.

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