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Black rectangular 90W power adapter with 19V output and detachable power cord

DELTA ELECTRONICS

DELTA ELECTRONICS ADP-90SB BB 90W 19V 4.74A power adapter

SKU CH-X677-A0M1M MPN ADP-90SB

Delivers 90 W at 19 V 4.74 A with 100–240 V input and includes a power cord

  • Worldwide voltage support from 100-240 V input
  • Reliable 90 W output for demanding laptops
  • Stable 19 V 4.74 A delivery protects components
  • Includes power cord for immediate use
  • Genuine Delta Electronics build with safety safeguards

What it is

The Delta Electronics ADP-90SB BB is a 90W AC power adapter that delivers 19V at 4.74A. It accepts a universal input range of 100-240V at 50-60Hz with a 1.5A draw. The unit ships new and includes a power cord for immediate use with compatible laptops or devices requiring this specific output.

Who it suits

This adapter suits owners of devices that require exactly 19V 4.74A from a barrel-type connector. It is not for users whose hardware demands a different voltage, a higher wattage, or a USB-C Power Delivery connection. Buyers needing a multi-voltage travel charger or a unit with a detachable cable tip system should look at alternative designs.

Capacity and headroom

The 90W rating comfortably powers mainstream business laptops and similar hardware within its specified output envelope. It runs out of headroom when connected to workstation-class machines or gaming notebooks that draw more than 90W under load, which will cause the adapter to trigger its protection circuits or fail to charge the battery during heavy use.

How it compares

Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 56% of the 3,875 comparable items (median $23.99).

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Specifications

Product
Model nameADP-90SB BB

Questions about this item

Which laptop models accept a 19 V 4.74 A 90 W barrel connector from this adapter?

Any laptop that specifies 19 V 4.74 A input and uses a matching barrel jack can be powered by this 90 W unit.

Can I keep using my existing IEC C5 or C7 mains lead with this adapter?

The adapter has a standard IEC C6 inlet so your current C5 or C7 power cord will plug in directly.

How do I confirm the adapter is delivering 19 V 4.74 A after I connect it?

The laptop charging indicator should light and the OS battery status will show 90 W charging when the adapter is working correctly.

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