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

Product ID: 678966570

Details

Brand
SHNITPWR
Colour
Black
Connector type
Micro USB USB
Input voltage
240 Volts
Item weight
300 Grams

⚡72W max power output

🔄3V-24V adjustable voltage range

🔌14 versatile connector tips

15499 som

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Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ One adapter to power them all — precision, safety, and versatility in your hands!

EFFORTLESS CONTROL - New off-gear switch lets you power down without unplugging—convenience meets safety
POWER ON YOUR TERMS - Smooth voltage knob with precise 3V-24V adjustment for any device
SAFETY FIRST ALWAYS - Built-in multi-layer protection against overvoltage, overcurrent, and short circuits
PLUG PLAY VERSATILITY - Includes 14 universal tips plus polarity converter for ultimate device compatibility
STAY INFORMED STAY SAFE - Clear LCD display shows exact output voltage to prevent device damage

The SHNITPWR 72W adjustable power supply delivers a flexible 3V to 24V DC output at up to 3A, perfect for powering a wide range of small electronics. Featuring 14 interchangeable tips and a polarity converter, it ensures compatibility with most devices. Enhanced safety protections and an intuitive LCD voltage display provide peace of mind, while the upgraded smooth adjustment knob and off switch offer precise control and convenience. Ideal for professionals and DIY enthusiasts seeking a reliable, all-in-one power solution.

Specifications

ASIN	B08BL4QMGM
Amperage	3 Amps
Best Sellers Rank	#95,385 in Electronics ( See Top 100 in Electronics ) #532 in AC Adapters
Brand	SHNITPWR
Color	Black
Connector Type Used on Cable	Micro USB, USB
Customer Reviews	4.4 4.4 out of 5 stars (2,860)
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
Number of Items	1
Output Current	3 Amps
Output Wattage	72 Watts
Specification Met	CCC, CE, FCC, RoHS
UPC	619191115082 619191115303
Unit Count	1.0 Count

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15499 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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