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Black rectangular 90W AC adapter with 5.5×2.5mm barrel connector and 3-prong plug

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E-buy 90W AC Adapter 19V 4.74A 5.5×2.5mm barrel 3-prong

SKU CH-E427-BDWEJ

A 90W AC adapter supplying 19V at 4.74A with a 5.5mm × 2.5mm barrel tip and three-prong inlet

  • Product typeAC Adapter
  • 90 W output keeps your laptop running
  • 19 V 4.74 A matches original Delta ADP specifications
  • 5 × 2.5 mm barrel fits listed models
  • 100–240 V 50–60 Hz input works worldwide
  • 3-prong outlet plug provides grounded connection

Replacement 90 W AC adapter

This 90 W AC adapter replaces Delta ADP-90CD DB and ADP-90SB series units for compatible notebooks. It accepts 100-240 V input at 50-60 Hz and delivers 19 V at 4.74 A through a 5.5 mm × 2.5 mm barrel connector. The three-prong outlet plug fits standard mains sockets. Buyers who need a higher-wattage supply or a different tip size cannot use this adapter.

Simple plug-in installation

Connect the barrel tip to the laptop power jack and the three-prong cord to a wall outlet; no drivers or configuration are required. Verify that the original part number appears in the compatibility list before ordering. A mismatched tip diameter or voltage will prevent the unit from powering the notebook correctly.

Steady 90 W output under load

The adapter maintains its rated 90 W output during continuous operation thanks to the 19 V 4.74 A design. Built-in protection circuits guard against over-voltage, over-current and short-circuit conditions. Users running sustained workloads will see stable power delivery without the voltage sag that occurs on undersized chargers.

How it compares

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

Price $24.99
Cheaper than about 62% of the 27,790 comparable items (median $30.99).

Specifications

Product
Product typeAC Adapter

Questions about this item

How can I confirm the adapter is delivering 19 V at 4.74 A once it is plugged in?

Use a multimeter on the 5.5 × 2.5 mm barrel tip; it should read 19 V with the centre positive under load.

What comes in the box and do I need a separate mains lead?

The adapter unit with fixed 3-prong inlet is supplied; no extra mains cable is required.

Which of the listed part numbers should I select for my Delta ADP-90CD DB unit?

Choose the version matching ADP-90CD DB exactly — it is listed among the compatible models.

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