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Black benchtop DC power supply with four-digit LED display, coarse and fine knobs, USB port

BFKK

BFKK DC Bench Power Supply 120V 3A 4-Digit LED USB (Black)

SKU CH-MB0F-AFYG4

Adjustable 0-120 V, 0-3 A bench supply with 0.001 A resolution, 4-digit LED display, 5 V/2 A USB port, and coarse/fine controls

  • Precise 0.001 A resolution for fine circuit tuning
  • 0–120 V and 0–3 A range covers diverse bench tasks
  • Automatic CV/CC switching protects loads during changeovers
  • Compact 9.5 × 3.4 × 6.1 in footprint saves bench space
  • Multi-layer safety with thermal, overload and short-circuit guards

Professional DC Bench Supply

The BFKK adjustable DC bench power supply delivers 0 to 120 volts and up to 3 amps with 0.001 amp resolution. A backlit 4-digit LED display shows voltage and current clearly in low light. Coarse and fine knobs let you dial precise values for laboratory, repair or DIY work.

Makers and students needing 0-120 V

Hobbyists, technicians and educators who require a wide 0-120 V range with automatic CV/CC switching will benefit. Buyers needing higher current than 3 A or multiple independent outputs should look at other units. The compact 9.5 x 3.4 x 6.1 inch form factor fits crowded benches.

120 V 3 A single-output range

The defining specification is the single 0-120 V, 0-3 A output with 0.001 A resolution. Protection includes grounding, leakage, thermal, voltage overload, power overload and short-circuit safeguards. A 5 V 2 A USB port is provided for auxiliary charging. Fan activates above 50 °C / 122 °F.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $136.99
Pricier than about 81% of the 3,838 comparable items (median $41.99).

Specifications

No published specifications for this item yet.

Questions about this item

What resolution does the 4-digit LED display show for current?

The display resolution is 0.001A, letting you read current to three decimal places.

What are the exact dimensions I need to clear on the bench?

The unit measures 9.5 x 3.4 x 6.1 inches and weighs under 3 lb.

How do I switch between constant-voltage and constant-current mode?

The supply switches automatically with load changes; the front LED indicates which mode is active.

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