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Black Dell 5V 2A AC adapter brick with 55in cable, 5.5mm x 2.5mm plug and eight interchangeable tips

Dell 5V 2A power adapter 5.5mm x 2.5mm plug 8 tips

SKU CH-21X1-4BWPK

Supplies 5 V at up to 2 A from 100–240 V mains via a 5.5 × 2.5 mm barrel jack plus eight interchangeable tips

  • Adapter typeUSB C Charger
  • First connector2-Pin
  • Second connector2-Pin
  • Cable jacketPlastic
  • Connector typeMale
  • Units per package1
  • Universal 100-240V input powers devices worldwide
  • 5V 2A output delivers up to 10W for compatible gear
  • 5 x 2.5mm plug plus eight tips fit many ports
  • Type-C and Micro-USB tips included for modern devices
  • 55in cable length gives flexible placement options

Dell 5V 2A adapter with eight tips

This Dell-branded power supply delivers a regulated 5 V DC output at up to 2 A, 10 W maximum. It accepts 100-240 V AC at 50/60 Hz, so it works on mains worldwide. The fixed barrel plug measures 5.5 mm by 2.5 mm and the cord extends 55 in. Eight additional tips are included for other devices.

Users who need a compact 5 V source

The unit suits routers, hubs, LED strips or small boards that draw 2 A or less at 5 V. The tip assortment covers 5.5x2.1 mm, 4.0x1.7 mm, 3.5x1.35 mm, 3.0x1.1 mm, 2.5x0.7 mm, Type-C, Micro-USB and a DC terminal connector. Buyers whose equipment requires more than 2 A, a higher voltage, a locking barrel or a different fixed plug should look elsewhere.

Fixed 5.5 mm x 2.5 mm output plug

The non-detachable barrel connector is the single specification that determines fit. If the target device uses a different barrel size or a proprietary jack, one of the supplied tips must match; otherwise the adapter cannot be used without modification.

How it compares

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

Price $17.99
Cheaper than about 70% of the 3,875 comparable items (median $23.99).

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Specifications

Product
Brand nameDell
Product type9 V
Adapter typeUSB C Charger
Product colorBlack
Ports & slots
First connector2-Pin
Second connector2-Pin
Connector typeMale
Size & build
Cable jacketPlastic
Product dimensions14.33 in W × 12.83 in H × 9.06 in D
Product weight0.181 lb (0.08 kg)
In the box
Units per package1
In the box1

Questions about this item

How do I install the 5.5mm x 2.5mm plug and which tip do I choose?

Match the device port to one of the eight tips — 5.5x2.1mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Type-C, Micro-USB, or DC Terminal — then push the selected tip firmly onto the 5.5mm x 2.5mm base plug until it clicks.

What maintenance or replacement will this adapter need later?

Inspect the 55in cord and the tip junctions regularly; replace the unit if the insulation splits, the pins bend, or the connector feels loose, as the supplier notes cable damage from squeezing or long-term strain.

What limit appears first during sustained use?

The 2A (2000mA) current ceiling — the adapter delivers a maximum of 10W, so any connected device drawing more than 2A will trigger shutdown or voltage drop.

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