SHNITPWR 3V ~ 24V 3A 72W Power Supply Adjustable DC 3V 5V 6V 9V 12V 15V 16V 18V 19V 20V 24V Variable Universal AC/DC Adapter 100V-240V AC to DC Converter with 14 Tips 5.5×2.5mm 4.0×1.7mm 3.5×1.35mm

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Input: AC 100~240V, 50/60Hz ; Output: DC 3~24V Adjustable, Max 3A 72W ; It can supply with any voltage between 3~24V,such as 3V 4V 4.5V 5V 5.5V 6V 9V 12V 14V 15V 19V 20V 24V, etc and any amp less than 3A, such as 300mA, 500mA,1A, 1.5A, 2A, 2.5A, 3A. LCD display will show the output voltage, in case that wrong voltage regulation damage your device.

Top Positive Review

I saw a few listings with seemingly identical power supplies, but the name if this one was my reasoning for trying it. So far, the only complaint I have is the sensitivity in the adjustment knob, but the cost doesn’t justify the complaint. I use it to test and cycle small electronics and PCBs, and its versatility is great for such. As long as you’re not expecting the performance to be equivalent to a machine exponentially higher priced, this will do everything it claims.

Top Critical Review

The voltage control know is almost pointless. The product images suggested that the incremental voltage steps were evenly spaced on the scale around the voltage knob, but in reality, 90% of the dial’s travel covers the voltage between 3V and 6V. The range from 6V to 24V accounts for the last few degrees of turn. Setting an accurate voltage of, say 12V is virtually impossible. The slightest touch of the dial and the voltage will drop to 6V or jump to 24V. See the images and look closely at the dial positions. For what it’s worth, the voltage shown on the device is accurate to +/- 5%.
I would also point out that the packaging had been opened and the internal bags torn open. I presume that one or more customers have already bought and returned this device. Add me to the list.

Customer Questions & Answers

After plugging ps into device i??m charging, voltage drops to half of my set voltage (from 16 v to 8v) do i adjust voltage up to 16v after plugging in?
Answer: yes. make sure plarity is correct !!

what’s the polarity?
Answer: There is a polarity switching adapter, so the polarity can be changed from Center Pin Positive to Center Pin Negative.

plug does not have ground, is there a way to ground this or another version that comes with 3- prong grounded plug?
Answer: It’s polarized plug, which converts AC to DC, therefore a second ground is not necessary. This is the same trsnsformer that came with my pool lights as well as my salt water aquarium light. 12 volt DC is harmless, that’s why they use it for all swimming pool lights

Will this accept the adapters with a 5.5mm x 2.1mm dimensions? I ask because the images show the plug to be 5.5mm x 2.5mm and 2.1 seems to be standard
Answer: Mt digital micrometer will not measure internal diameter that small. Ask the manufacturer.

It stopped working, when a device is plugged the digits start blinking. What is happening?
Answer: Try adjusting the amps

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SHNITPWR 3V ~ 24V 3A 72W Power Supply Adjustable DC 3V 5V 6V 9V 12V 15V 16V 18V 19V 20V 24V Variable Universal AC/DC Adapter 100V-240V AC to DC Converter with 14 Tips 5.5×2.5mm 4.0×1.7mm 3.5×1.35mm
SHNITPWR 3V ~ 24V 3A 72W Power Supply Adjustable DC 3V 5V 6V 9V 12V 15V 16V 18V 19V 20V 24V Variable Universal AC/DC Adapter 100V-240V AC to DC Converter with 14 Tips 5.5×2.5mm 4.0×1.7mm 3.5×1.35mm
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