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Compact black rectangular laptop power adapter with 4.8x1.7mm barrel connector and detachable power cord

Graviton

Graviton 19V 2.1A 40W 4.8x1.7mm AC Adapter

SKU CH-6YMM-78GQQ

Supplies 19V at 2.1A for 40W laptop charging with a 4.8x1.7mm connector and includes a power cord

  • Delivers 40W of reliable power for your laptop
  • 19V 2.1A output matches original charger specifications
  • 8mm x 1.7mm connector fits compatible devices precisely
  • Works worldwide with 100-240V 50-60Hz input range
  • Includes power cord for immediate EU, US, UK or AU use

Power output

This 40 W AC adapter delivers 19 V at 2.1 A through a 4.8 × 1.7 mm barrel connector. It replaces Chicony part numbers A13-040N3A, A12-040N2A, A040R074L and A040R045L for compatible laptops. CE certification is included.

Build integration

The unit accepts 100–240 V input at 50–60 Hz, so it works with mains supplies worldwide when paired with the appropriate EU, US, UK or AU power cord. Its single fixed cable keeps the desk layout simple.

Capacity and headroom

The 40 W rating suits ultraportables and thin-and-light notebooks that draw up to 2.1 A. Systems requiring higher current or a different connector size will not operate correctly with this adapter.

Highlights

  • Delivers 40W of reliable power for your laptop
  • 19V 2.1A output matches original charger specifications
  • 8mm x 1.7mm connector fits compatible devices precisely
  • Works worldwide with 100-240V 50-60Hz input range
  • Includes power cord for immediate EU, US, UK or AU use

Specifications

No published specifications for this item yet.

Questions about this item

How much heat does the 40 W adapter produce when it runs all day?

The adapter draws 100-240 V at 50-60 Hz and delivers 19 V at 2.1 A continuously, so sustained heat is proportional to its 40 W output rating.

What must I already own to use this charger with my laptop?

You need a laptop that accepts 19 V at 2.1 A through a 4.8 mm outer and 1.7 mm inner diameter barrel connector.

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