Does using the usb port show how much current is drawn? can this port's current be limited for testing?

Current drawn on the built-in USB port is not indicated on the display. The display shows only voltage and current associated with the main power outlets when output is enabled. When output is not enabled, the display shows voltage and max current settings. A USB connector could be connected to the main power output connectors and any voltage and current through that connector would be shown on the display.

is this machine good for gold and silver plating?

I don't know what voltages are required for plating, but, it is a very good supply for the money.

Can this be used as a short circuit killer to repair phones and circuit boards?

Yes, as long as it doesn’t exceed the max output rating 5A. It will go into protection mode beyond that point. I use mine daily and for the money it is top notch.

Description says 100w, but at 10a x 30v, that should be 300w output. is the description wrong?

It means you can get 10 Amp at 10v

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⚡ Power precision meets pro-level safety and speed

CRYSTAL CLEAR DISPLAY - 4-digit LED screen with adjustable brightness keeps you informed with sharp, real-time data.
FAST CHARGE ON THE GO - Built-in 18W USB port powers your phone or tools quickly—because downtime is not an option.
INSTANT OUTPUT SAFETY - Output enable/disable button prevents accidental power surges and protects your gear effortlessly.
PINPOINT POWER CONTROL - Encoder knob lets you dial voltage and current with 0.01V/0.001A precision—never guess again.
SMART OVERCURRENT DEFENSE - Automatic shutdown and buzzer alert guard your devices from short circuits in real time.

The NANKADF 30V 10A Black DC Power Supply combines ultra-precise encoder knob control with a bright 4-digit LED display, ensuring voltage and current settings are accurate to the hundredth and thousandth decimal places. Its output enable/disable button and overcurrent protection with buzzer alert safeguard your devices and workspace. Compact and lightweight, it also features an 18W USB quick-charge port, making it a versatile, space-saving powerhouse for professionals who demand precision, safety, and speed.

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$3118

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Brand	NANKADF
Manufacturer	NANKADF
Model	30V 10A BLACK
Model Name	30V 10A BLACK
Product Dimensions	20 x 0.9 x 1.45 cm; 1.48 kg
Item model number	30V 10A BLACK
Compatible Devices	Camera
Mounting Hardware	1 * Dc Power Supply 1* Power Cable 1 * Output Cable 1 * User Manual
Number of items	1
Audio Wattage	300
Wattage	100 Watts
Batteries Included	No
Batteries Required	No
Material	30V 10A BLACK
Form Factor	Compact
Does it contain liquid?	No
Manufacturer	NANKADF
Country of Origin	USA
Item Weight	1 kg 480 g

DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black)

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