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Compact blue-tip laptop charger with detachable cord

Kenuco

Kenuco 65W/45W Blue Tip Laptop Charger

SKU CH-9WY5-ABQTM

Replacement AC adapter delivering 65W or 45W at 19.5V with a 4.5 x 3.0 mm blue tip for compatible HP notebooks

  • TypeAC Adapters
  • Delivers up to 65 W at 19.5 V 3.33 A for demanding HP notebooks
  • Also provides 45 W at 19.5 V 2.31 A for lower-power models
  • Smart Blue Tip 4.5 x 3.0 mm fits HP EliteBook 830 840 850 ProBook 430 440 450 640 650
  • Safety lab tested with short-circuit overvoltage overcurrent and overheating protection
  • Ultra-light compact design slips into a bag or pocket for travel

HP Blue-Tip Charger Compatibility

This 65W and 45W AC adapter replaces the original power supply for HP laptops that use the 4.5 x 3.0 mm blue tip. It supports EliteBook 830, 840 and 850 models, ProBook 430, 440, 450, 640 and 650 series, plus Pavilion x360 and Stream 11 devices. The unit delivers 19.5 V at 3.33 A for 65 W maximum or 2.31 A for 45 W operation.

Safety Certified Thermal Performance

Rigorously tested by a leading consumer safety laboratory, the charger meets strict electrical safety standards for the US. Built-in protection guards against short-circuiting, overvoltage, overcurrent and overheating during normal use. The compact design runs quietly without a fan while supplying reliable power to the notebook.

Ultra-Portable Build and Connector

The lightweight housing slips easily into bags, briefcases or pockets for true on-the-go power. A fixed blue-tip barrel plug measuring 4.5 x 3.0 mm connects directly to compatible HP ports without an extra dongle. The durable cord withstands daily packing and unpacking for travel or commuting.

Highlights

  • Delivers up to 65 W at 19.5 V 3.33 A for demanding HP notebooks
  • Also provides 45 W at 19.5 V 2.31 A for lower-power models
  • Smart Blue Tip 4.5 x 3.0 mm fits HP EliteBook 830 840 850 ProBook 430 440 450 640 650
  • Safety lab tested with short-circuit overvoltage overcurrent and overheating protection
  • Ultra-light compact design slips into a bag or pocket for travel

Specifications

TypeAC Adapters

Questions about this item

How do I install the Kenuco 65W/45W charger and which step do people get wrong?

Plug the barrel connector marked 4.5 x 3.0 mm firmly into the HP laptop until it clicks; the step users miss is verifying the tip is fully seated before connecting the AC plug to mains power.

What maintenance or replacement will the Kenuco charger need later?

No scheduled maintenance is required; if the cable frays or the blue tip loosens over time, replace the entire adapter rather than attempting a repair.

What limit appears first on the Kenuco adapter under sustained load?

The 65 W ceiling at 19.5 V / 3.33 A is reached before thermal protection activates, so continuous draw above that rating will trip the over-current safeguard.

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