DC bench power supply 0-120V 0-3A with encoder knob

Jesverty ★ 3.8/5 · ItemOracle Score Mid-Range

$80 USD
Price subject to change
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DC Power Supply Variable, 0-120V 0-3A Adjustable Switching DC Regulated Bench Power Supply with 20W USB & Type-C Quick-Charge, Encoder Knob, Output Switch, 4-Digit LED Display - SPS-12003M

adjustable DC bench power supply with USB-C/USB-A charging and 4-digit display. enables digit-by-digit voltage/current setting via encoder knob; output ON/OFF button for easy control. one customer notes programmable current limit with wattage readout as a feature

Highlights

  • precision encoder knob for fine adjustment
  • dual USB charging ports with 20W output
  • clear 4-digit display with output switch

Pros

  • encoder knob for precise digit-by-digit adjustment
  • output ON/OFF button for convenient control
  • USB-A and USB-C quick charge ports
  • 4-digit LED display for clear readouts
  • compact, dedicated bench power supply design

Cons

  • mixed opinions on ease of use and voltage adjustment
  • some users question power delivery performance

Best For

  • test bench for microcontroller projects
  • powering Arduino or Raspberry Pi peripherals
  • charging devices via USB-C/USB-A ports
  • lab experiments requiring precise voltage/current
  • tuning power delivery in electronics prototyping
  • stable supply for educational demonstrations

Features

  • Encoder knob for digit-by-digit voltage/current adjustment with 0.01V/0.001A resolution
  • Output ON/OFF button allows switching without removing load or power cycling
  • USB-A and USB-C ports support 20W fast charging for devices and microcontroller projects
  • Input selectable for AC110V/220V with adjustable over-current protection

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