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Black rectangular AC adapter with LED display and cable, plus 14 interchangeable DC tips and accessories

BASEUS

BASEUS 3-24V 3A 72W Adjustable AC Adapter with LED Display 14 Tips

SKU CH-MQ5B-BA7TV

Adjustable 3 V to 24 V, 72 W AC-to-DC adapter with LED display, 14 tips, polarity converter and test lead

  • Product typeAC Adapters
  • Adjustable 3–24 V output powers diverse low-voltage devices
  • 72 W maximum capacity handles demanding electronics safely
  • Built-in LED display shows voltage instantly
  • 14 interchangeable tips fit most barrel connectors
  • Multiple safety cut-offs protect against overloads

Universal 3-24V Adjustable AC Adapter

This adjustable AC/DC adapter delivers a variable DC output from 3V to 24V at up to 3A with a maximum power rating of 72W. It accepts a universal AC input of 100V to 240V at 50Hz or 60Hz. The unit includes an LED voltage display, 14 interchangeable DC tips, a reverse polarity converter, an alligator clip test lead, and a male DC power pigtail cable for indoor use.

Installation and Common Issues

Connect the appropriate tip from the 14 supplied connectors, set the required voltage on the LED display, and plug the adapter into a mains socket. The 6ft power cable provides flexibility for positioning. Common issues include selecting an incorrect voltage for the target device, exceeding the 72W or 3A limit, or using the adapter outdoors where it is not rated for exposure.

Sustained Load Behaviour

Built-in protection systems provide automatic cut-off for over-voltage, over-current, over-temperature, and short-circuit conditions during continuous operation. The supplier states the adapter runs with no noise and no fire hazard. It is designed for sustained powering of small household electronics such as LED strips, 3D printers, smart speakers, wireless routers, DC motors, and surveillance systems within the rated limits.

How it compares

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

Price $29.99
Typical for this category: the median of 27,790 items is $30.99.

Specifications

Product
Product typeAC Adapters

Questions about this item

How do I confirm the adapter is delivering the correct voltage after connecting a device?

The built-in LED display shows the selected output voltage in real time so you can verify it matches the 3 V to 24 V range required by your device.

Which connectors are included and is anything else needed to start using it?

The box contains the universal adapter, 14 DC tips covering sizes from 2.5 × 0.7 mm up to 6.5 × 4.4 mm plus Micro‑USB, Type‑C and a terminal connector, a reverse polarity converter, an alligator‑clip test lead and a male DC pigtail cable; no extra parts are required.

How do I decide which output setting to select for my equipment?

Match the adapter’s adjustable output to the voltage printed on your device’s label — any value between 3 V and 24 V up to a maximum of 3 A and 72 W — and choose the tip that fits the device’s DC jack.

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