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Black rectangular AC-to-DC adapter with integrated on-off switch, 1.8 m barrel cable and interchangeable 5.5×2.1 and 5.5×2.5 mm tips

TKDY 12V 2A Power Adapter with On/Off Switch, 1.8 m Cable, 5.5×2.1/2.5 mm Tips

SKU CH-52WQ-TE3ZN

Supplies 12 V at up to 2 A with an on/off switch, 1.8 m cable and 5.5×2.1/2.5 mm barrel tips

  • Cable length150 cm
  • First connectorBarrel connector
  • Second connectorBarrel connector
  • Connector typeBarrel Connector
  • Apple compatibilityBarrel connector
  • Units per package1
  • On/off switch cuts power without unplugging
  • 8 m cable reaches distant sockets
  • 100–240 V 50–60 Hz input works worldwide
  • 12 V 2 A regulated output powers LED strips and routers
  • 5×2.1 mm and 5.5×2.5 mm tips fit common barrels

Versatile 12 V 2 A Power Adapter

The TKDY 12 V 2 A AC-to-DC adapter supplies up to 24 W for LED strips, CCTV cameras, routers, portable DVD players and compatible Yamaha keyboards. An integrated on/off switch lets you cut power without unplugging the unit. It ships with interchangeable 5.5 × 2.1 mm and 5.5 × 2.5 mm centre-positive barrel tips. Input accepts 100-240 V AC at 50-60 Hz for worldwide use.

Thermals, Noise and Power Draw

As a sealed linear supply it has no fan, so operation is completely silent. The enclosure runs warm under continuous 2 A load but stays within safe limits for desktop placement. No-load draw is minimal, and the 1.8 m DC cable adds negligible voltage drop at the rated current. The unit is not a battery charger and must not be used to charge lithium-ion cells.

Critical Polarity and Connector Match

Voltage must be exactly 12 V DC and the barrel plug polarity must be centre-positive; reverse polarity will damage connected gear. The adapter’s 2 A rating may exceed the device’s needs — the load draws only what it requires — but the physical tip must fit securely. Buyers who need a different voltage, a locking connector or a battery-charging function cannot use this model.

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
Brand nameTKDY
Part numberTP04-120 200 W
Product type12 V
Product color12 V 2A AC Adapter
Ports & slots
First connectorBarrel connector
Second connectorBarrel connector
Connector typeBarrel Connector
Size & build
Cable length150 cm
Product dimensions5.08 cm × 8.89 cm × 10.668 cm
Product weight0.181 kg
Compatibility
Apple compatibilityBarrel connector
In the box
Units per package1
In the box1

Questions about this item

How do I connect the adapter to a device that uses a 5.5 × 2.1 mm barrel jack?

Choose the 5.5 × 2.1 mm tip from the included set, push it firmly onto the fixed cable until it clicks, verify the centre-positive symbol on the plug matches the device, then plug into the device before switching the adapter on.

What part is most likely to need replacement after extended use?

The 1.8 m DC cable and the interchangeable barrel tips endure repeated bending and insertion cycles, so they typically wear out before the sealed AC–DC converter module.

At what load does the adapter hit its thermal limit during continuous operation?

The unit is rated for 24 W (12 V at 2 A); sustained loads at or near that 24 W ceiling will cause the enclosure to reach its maximum safe operating temperature first.

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