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Rectangular black power brick with blue-tip barrel connector

Kenuco

Kenuco 65W AC Adapter Blue Tip 4.5 x 3.0 mm

SKU CH-68Q2-448D7

65 W AC adapter with a 4.5 x 3.0 mm blue tip, compatible with HP ProBook, EliteBook, Pavilion and Chromebook models

  • TypeAC Adapters
  • 65 W output charges compatible HP laptops at full speed
  • Blue 4.5 x 3.0 mm tip fits listed EliteBook, ProBook, Pavilion and Chromebook models
  • 100–240 V input works on mains worldwide
  • Overload, short-circuit and undervoltage protection safeguards the adapter and laptop
  • Lightweight design slips into bags or pockets for travel

Compatible HP Charger 65W 45W

This AC adapter delivers up to 65 watts at 19.5 volts 3.33 amps and also supports 45 watt 2.3 amp operation. It fits HP laptops that use the 4.5 by 3.0 millimetre blue tip connector. The unit accepts 100 to 240 volt input at 50 to 60 hertz for worldwide use. It is intended for owners of listed EliteBook ProBook Pavilion x360 Chromebook Stream and ZBook models.

Build Integration Blue Tip Connector

The blue tip plug matches the charging port on compatible HP notebooks without an adapter. Overload short circuit and zero voltage undervoltage protection circuits guard the laptop and the supply. A compact form factor lets the brick slip into a bag or pocket for travel. No extra cables or converters are required beyond the standard AC mains lead.

Sustained Load Protection Behaviour

Built-in safeguards monitor current and voltage continuously during extended charging sessions. The supply maintains stable 19.5 volt output while the protection circuits prevent damage from overload or short circuit events. This behaviour supports reliable daily use across the listed HP device families. The adapter meets the stated safety specifications for continuous operation.

Highlights

  • 65 W output charges compatible HP laptops at full speed
  • Blue 4.5 x 3.0 mm tip fits listed EliteBook, ProBook, Pavilion and Chromebook models
  • 100–240 V input works on mains worldwide
  • Overload, short-circuit and undervoltage protection safeguards the adapter and laptop
  • Lightweight design slips into bags or pockets for travel

Specifications

TypeAC Adapters

Questions about this item

What is the maximum continuous power the 65 W adapter can deliver before its overload protection activates?

The adapter is rated for 65 W continuous output at 19.5 V and 3.33 A, with built-in overload protection that trips if that limit is exceeded.

How warm does the blue-tip charger get and does it make any noise when powering a laptop all day?

The unit has no fan and runs silently; its compact design stays warm to the touch but remains within normal operating temperature during extended use.

Which HP laptops already use the 4.5 × 3.0 mm blue tip so this adapter will fit without a new cable?

It matches HP Smart Blue Tip models including EliteBook 830 G5, 840 G3–G5, 850 G3–G5, ProBook 450 G3/G5, 640 G2–G5, 645 G3/G4, 650 G2/G3, Pavilion x360 11/13/14/15, Chromebook 11 EE G2–G5 and Stream 11 Pro G3/G4 EE.

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