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Compact bench power supply unit with green four-digit LED display, coarse and fine adjustment knobs

myVolts

myVolts DC Power Supply 30V 10A Adjustable CC CV 4-Digit LED Display

SKU CH-2HM2-77DPH

Adjustable 0-30 V, 0-10 A DC supply with 4-digit LED readout, CC/CV auto-switching and multiple protections

  • TypeAT
  • 0–30 V and 0–10 A output range covers diverse test needs
  • 4-digit LED display shows 0.01 V and 0.001 A resolution for precise readings
  • Auto-switching CC/CV modes maintain stable operation as loads change
  • Built-in fan with thermo-sensor and dual heat sinks keep temperatures low
  • Compact 226 × 82 × 138 mm chassis weighs just 2.95 lb for easy transport

Bench DC Supply 30V 10A

This adjustable DC power supply delivers 0 to 30 volts and 0 to 10 amps from a single output channel. It features a four-digit LED display with 0.01 V and 0.001 A resolution for precise voltage and current readouts. Constant voltage and constant current modes switch automatically as the load changes. The unit is built for lab work, repair, battery charging and DIY electronics projects.

Verify Mains Input and Lead Compatibility

The supply uses an AT-type input, so confirm your mains voltage matches the unit before connecting it. Coarse and fine adjustment knobs allow accurate output setting, but the front-panel binding posts accept standard 4 mm banana plugs or the included alligator clips. Ensure your test leads and device under test are rated for up to 30 V and 10 A continuous operation.

Upgrade from Fixed-Output or Low-Resolution Units

This model replaces fixed-voltage adapters or supplies with only three-digit readouts that show 100 mV and 10 mA steps. The four-digit display and automatic CV/CC crossover remove the need for manual range switching during sensitive circuit work. It is not suited for applications requiring linear regulation, multiple isolated channels or programmable remote control.

Highlights

  • 0–30 V and 0–10 A output range covers diverse test needs
  • 4-digit LED display shows 0.01 V and 0.001 A resolution for precise readings
  • Auto-switching CC/CV modes maintain stable operation as loads change
  • Built-in fan with thermo-sensor and dual heat sinks keep temperatures low
  • Compact 226 × 82 × 138 mm chassis weighs just 2.95 lb for easy transport

Specifications

TypeAT

Questions about this item

Does the unit ship with the alligator-clip leads shown in the photos or do I need to order them separately?

The package includes one standard 4 mm alligator-clip lead set so you can start testing immediately without extra purchases.

The listing shows 0.01 V and 0.001 A resolution — which model variant provides those figures?

This single model delivers 0.01 V (10 mV) voltage resolution and 0.001 A (1 mA) current resolution across the full 0–30 V, 0–10 A range.

When the supply is set to 30 V and the load draws 10 A, will it maintain regulation or trip a protection?

The unit operates in constant-voltage or constant-current mode and auto-switches between them; built-in overload, short-circuit and thermal protections will activate before damage occurs.

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