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Black rectangular power brick with 4.5mm barrel connector and detachable AC cord

Kenuco

Kenuco 65W 45W AC Power Adapter Cord 4.5mm HP ProBook EliteBook

SKU CH-0HKE-J1M79

Replacement AC power cord delivering 65W or 45W output with a 4.5mm connector for HP ProBook and EliteBook laptops

  • Product typeAC Power Cord Cable
  • Delivers up to 65 W output for rapid laptop charging
  • Auto-stops charging when battery reaches full capacity
  • Built-in safeguards protect against overcharge, short circuit and overheating
  • Works with 100–240 V input for worldwide travel use
  • 5 × 3.0 mm connector fits listed HP ProBook and EliteBook models

Power adapter for HP ProBook and EliteBook

This AC power cord replaces the original charger for a wide range of HP ProBook and EliteBook models including the 430, 440, 450, 640 and 650 series across generations G1 through G8. It also fits select EliteBook 830, 840 and 850 models plus several Pavilion, Stream, Chromebook and ZBook units. The adapter delivers up to 65 watts and is backward compatible with 45 watt requirements.

Compact cord with 4.5 mm barrel connector

The cable uses a 4.5 by 3.0 millimetre centre-positive barrel plug that matches the DC input on the listed notebooks. A standard IEC C5 or C7 mains lead connects the brick to a wall outlet accepting 100 to 240 volts at 50 to 60 hertz. The supplier notes a durable construction and a compact form factor that travels easily in a laptop bag.

65 watt output with multi-voltage protection

Maximum output is 19.5 volts at 3.33 amps for 65 watts, while 19.5 volts at 2.31 amps covers 45 watt systems. Built-in safeguards protect against overcharging, short circuit, overheating and sparking, with intelligent temperature monitoring that stops charging when the battery reaches full capacity.

How it compares

Measured against everything we stock in Jumper & Adapter Power Cords, at today’s prices. Recalculated every night.

Price $30.99
Pricier than about 82% of the 402 comparable items (median $13.99).

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Specifications

Product
Product typeAC Power Cord Cable

Questions about this item

What voltage and current does the 4.5mm barrel connector deliver at its 65W maximum?

The connector supplies 19.5V at 3.33A for 65W output, and also supports 19.5V at 2.31A for 45W devices.

What are the exact dimensions of the barrel plug that must match the laptop socket?

The plug measures 4.5mm outer diameter by 3.0mm inner diameter.

Does the adapter auto-negotiate the correct wattage, or must I select it manually?

It auto-negotiates; the charger detects the laptop's requirement and delivers either 65W or 45W without any switch.

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