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Black rectangular wall adapter with 5-foot cord and 5.5mm barrel plug

Amamax

Amamax AMA-5521-5V-2A AC/DC Wall Adapter 5V 2A 5.5mm x 2.1mm plug

SKU CH-1624-60Z38

Converts 100-240V AC to 5V 2A DC with 5.5mm x 2.1mm plug, 5ft cord and UL listing

  • Delivers 5 V 2 A steady power for routers and modems
  • Universal 100–240 V AC input works worldwide without a converter
  • Built-in over-voltage, over-current, short-circuit and over-temperature protection
  • UL listed safety certification confirms rigorous electrical testing
  • 5 ft cable with 5.5 × 2.1 mm barrel plug reaches distant outlets easily

What this adapter powers

The Amamax AMA-5521-5V-2A delivers 5 V at 2 A through a 5.5 mm × 2.1 mm barrel connector. It suits routers, modems, LAN phones and similar office electronics that require this exact voltage and plug size. The unit accepts a worldwide AC input range of 100 to 240 V at 50 or 60 Hz. Buyers whose equipment needs a different voltage, current rating or connector diameter cannot use this model.

Thermals noise and power draw

The adapter draws a maximum of 0.5 A from the mains and includes over-voltage, over-current, short-circuit and over-temperature protection. Its compact enclosure measures 2.75 in long, 1.125 in wide and 1.875 in high, and it weighs 4 ounces. No fan is present, so operation is silent. The UL listing confirms it meets recognised safety standards for continuous use.

Cord length and protection features

A 5 ft power cord provides reach between the wall outlet and the device. The integrated safeguards — over-voltage, over-current, short-circuit and over-temperature — shut the supply down before damage can occur to the connected equipment. These protections are built into the adapter itself; no extra software or configuration is required. The black finish matches typical office hardware aesthetics.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $5.99
Cheaper than about 87% of the 8,808 comparable items (median $16.99).

Specifications

Product
Brand nameAmamax

Questions about this item

How do I install the Amamax AMA-5521-5V-2A adapter, and what is the common mistake?

Plug the 5.5mm x 2.1mm connector into the device and the wall plug into a 100-240V outlet. The common mistake is using it on a device that needs a different voltage or polarity.

What maintenance or replacement will the Amamax AMA-5521-5V-2A adapter need later?

The 5-foot cord and connector can wear from bending; replace the unit if the cable frays, the plug loosens, or output becomes unstable.

What limit appears first on the Amamax AMA-5521-5V-2A adapter under sustained use?

The 2000mA output current limit is reached first; drawing more triggers over-current protection and shuts the adapter down.

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