It stopped working, when a device is plugged the digits start blinking. What is happening?

Probably a fuse on the load side.

Do you think I can use it , to charge a motorcycle battery and or “ trickle charge “ ( maintain) a car battery?

You would need some electrical experience and battery charger know how and wire in an amp meter to insure volts times amps does not ever exceed the safe rating of this device. Also need to insure the voltage does not exceed safe voltage to charge a battery at. If you know how, I think it could work for lead-acid batteries but probably not other rechargeable batteries. I recommend instead to use a dedicated battery charger designed for what you are doing.

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

The product description says, Output DC connector:5.5mm x 2.5mm (inside"+", outside"-") Reverse polarity converter: 5.5mm x 2.1mm

Will this work and is it safe for a device with 120vac 60hz 5w input and 16v 100ma dc output?

Hi, The 3V~24V 3A power supply just power any device which its input voltage is between 3V and 24V, and input current is equal or less than 3A.Thanks.

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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 5.5x2.5mm 4.0x1.7mm 3.5x1.35mm

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 5.5x2.5mm 4.0x1.7mm 3.5x1.35mm

Product ID: 678966570

Details

Brand
SHNITPWR
Colour
Black
Connector type
Micro USB USB
Item weight
300 Grams
Material
Plastic

⚡72W max power output

🔄3V-24V adjustable voltage

🔌14 versatile connector tips

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 One Power Supply to Rule Them All — Stay Charged, Stay Ahead!

SAFETY FIRST ALWAYS - Built-in multi-layer protection guards against overvoltage, overheating, and short circuits.
LONG REACH NO HASSLE - 6ft power cable and off-gear switch let you power up anywhere with effortless control.
PLUG PLAY VERSATILITY - Includes 14 frequently used tips plus polarity converter for unmatched device compatibility.
SEAMLESS VOLTAGE CONTROL - Smooth, upgraded knob with digital LCD display ensures exact voltage every time—no guesswork.
POWER YOUR ENTIRE TECH ARSENAL - Universal 3A output supports devices from 3V to 24V with precision control.

The SHNITPWR 72W adjustable power supply delivers a versatile 3A output with voltage settings from 3V to 24V, featuring a clear LCD display and smooth control knob for precise tuning. Equipped with 14 connector tips and a polarity converter, it supports a wide range of devices, from LED strips to smart home gadgets. Safety is paramount with multiple built-in protections, while the 6ft cable and off-gear switch add convenience. Ideal for professionals and DIY enthusiasts seeking a reliable, all-in-one power solution.

Specifications

ASIN	B08BL4QMGM
Amperage	3 Amps
Brand	SHNITPWR
Color	Black
Connector Type Used on Cable	Micro USB, USB
Customer Reviews	4.4 4.4 out of 5 stars (2,789)
Enclosure Material	Plastic
Form Factor	Wall-mounted, not portable
Input Voltage	240 Volts
Item Weight	300 Grams
Manufacturer	SHNITPWR
Maximum Power	72 Watts
Mfr Part Number	eggreh-001
Model Number	SNT-0324-72
Output Current	3 Amps
Output Voltage	24 Volts
Output Wattage	72 Watts
Specification Met	CCC, CE, FCC, RoHS
UPC	619191115082 619191115303
Unit Count	1.0 Count

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