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Black rectangular power brick with right-angled 4.5mm connector and 7.4mm dongle attached

HP

HP H6Y90AA#ABA 90W Smart AC Adapter 4.5mm to 7.4mm

SKU CH-6980-3J6HT MPN H6Y90AA#ABA

A 90 W AC adapter with a right-angled 4.5 mm connector and included 7.4 mm conversion dongle, weighing 1.55 kg

  • Product typeAC Adapter
  • Key featuresProvide optimal power and help offset power fluctuations to
  • Product weight1.55
  • Delivers 90 W to keep your notebook running
  • Right-angled 90° connector reduces cable strain
  • Includes 4.5 mm to 7.4 mm conversion dongle for broader compatibility
  • Smart design offsets power fluctuations for stable operation
  • Weighs 1.55 kg for easy transport

HP 90W Smart AC Adapter

This 90 W AC adapter supplies reliable power to compatible HP notebooks and helps offset mains fluctuations. The right-angled 90° connector reduces cable stress at the device port. It serves as a direct replacement or a convenient spare for travel or docking setups.

Thermals noise and power draw

The unit delivers up to 90 W of output power for normal charging and operation. No fan is present so acoustic output is negligible during use. Heat dissipation is handled passively through the enclosure under typical notebook loads.

Right-angled connector and conversion dongle

The 90° plug minimises strain on the notebook socket and keeps the cable routed close to the chassis. An optional 4.5 mm to 7.4 mm conversion dongle extends compatibility to devices with the larger barrel size. Both accessories increase connection flexibility without extra adapters.

How it compares

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

Price $99.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameHP
Model nameH6Y90AA#ABA
Product typeAC Adapter
Size & build
Shipping weight0.91 kg
Package size241 × 229 × 57 mm

Questions about this item

How do I connect the 4.5mm to 7.4mm conversion dongle to my notebook, and what step is often missed?

Plug the 4.5mm tip from the adapter into the dongle until it clicks, then insert the 7.4mm end into the notebook; the step often missed is seating the dongle fully so the smart-pin handshake engages.

Which parts of this 90W Smart AC Adapter typically need replacement first?

The detachable mains lead and the right-angled 4.5mm connector see the most flexing; the conversion dongle can also loosen after repeated insertion cycles.

At what sustained load does the adapter hit its thermal limit?

Continuous draw at the rated 90W maximum output power will trigger internal thermal protection first, causing the unit to throttle or shut down until it cools.

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