Updated: 16 Feb 2025

ac adapter 12 v adjustables

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Updated: 16 Feb 2025

#1

Best Choice
Universal Power Supply 3V~24V 3A 72W Adjustable Variable 3V 5V 9V 12V 18V 20V 24V AC/DC Adapter Charger, 100V-240V AC to DC Converter with 14 Tips, Polarity Converter and 4-Way Power Splitter Cable

9.9

Wefomey

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Main highlights

Input: AC 100~240V, 50/60Hz; Output: DC 3~24V Adjustable, Max 3A 72W; It can apply to most appliances which the input voltage is between 3V to 24V and the rating power is equal to or less than 72 Watt. LCD display will show the output voltage, in case that wrong voltage regulation damage your device

High-Efficient Power Solution: This DC 1 female to 4 male power splitter cable allows to power two or more cameras or LED strip lights with 1 power adapter, without adding extra electrical outlets and purchasing more power adapters. It is useful for powering multiple devices from one central adapter

14pcs DC Tips: 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C and DC terminal connector. Easily meet the power requirement of your different devices. Can be applied to almost all commonly used electronic devices. You can screw wires onto it easily, perfect for DIY projects
#2

Value for Money
3V~24V 3A 72W Universal Power Supply 3V 5V 6V 9V 12V 15V 18V 20V 24V Adjustable Variable Switching AC/DC Adapter, 100V-240V AC to DC Converter with 14 Tips & Polarity Converter & Test Lead, 3 Prong

9.8

Wefomey

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Main highlights

Input: AC 100~240V, 50/60Hz; Output: DC 3~24V Adjustable, Max 3A 72W; It can apply to most appliances which the input voltage is between 3V to 24V and the rating power is equal to or less than 72 Watt

Built-in Multiple Safety Protection Systems: Automatic over voltage cut-off, over current cut-off, over temperature cut-off, short circuit cut-off. No noise, no explosion, no fire hazard, safe to use. 6ft long power cable makes it convenient to use

14pcs DC Tips: 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C and DC terminal connector. Easily meet the power requirement of your different devices
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#3
Belker 12W 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Voltage Universal AC/DC Adapter Power Supply for Household Electronics,Micro USB - 1A Max. [BN]

9.5

Belker

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Why we love it

8 adapter plugs

100V 240V input

12W max output

Main highlights

Key Features
Versatile adapter with 8 plugs, multi-voltage output, ideal for various low-power electronics. Center positive polarity, includes polarity reversal cable.

Ideal Use Cases
Perfect for devices requiring 3V-12V less than 12W, like small electronics, portable devices, and DIY projects needing variable voltages.

Customer Praise
Highly appreciated for its compatibility with multiple devices, making it a go-to power solution for gadget enthusiasts.
#4
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

9.4

SHNITPWR

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Main highlights

𝟏𝟒𝐩𝐜𝐬 𝐅𝐫𝐞𝐪𝐮𝐞𝐧𝐭𝐥𝐲 𝐔𝐬𝐞𝐝 𝐓𝐢𝐩𝐬: It comes with an original 5.5x2.5mm tip and 14pcs frequently used tips: 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C and DC terminal connector. Can be applied to almost all commonly used electronic devices. You can screw wires onto it easily, perfect for DIY projects.

𝐔𝐩𝐠𝐫𝐚𝐝𝐞𝐝 𝐕𝐞𝐫𝐬𝐢𝐨𝐧 𝐏𝐨𝐰𝐞𝐫 𝐒𝐮𝐩𝐩𝐥𝐲: Based on hundreds of users feedback, we have made the following improvements: 1. The knob can be adjusted more evenly, and it can reach 13V ~ 14V by rotating 50%. 2. Increase the off gear to turn off the power without pulling the plug. 3.Add a polarity converter cable, which make it compatible with more devices，doubles its range of application.

𝐈𝐧𝐩𝐮𝐭 𝐚𝐧𝐝 𝐎𝐮𝐭𝐩𝐮𝐭: 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.
#5
SoulBay 12V Power Supply Universal AC DC Adapter Charger with Adjustable Output 5V 9V 3V 6V 4.5V 7.5V 12 Volt 1A 1.5A 2A for LED Strip Light CCTV Camera BT Speaker GPS Webcam Router, 5 FT Cord, 30W

9.3

SoulBay

-15%

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Why we love it

You can use this adapter for a variety of devices

It has 8 interchangeable tips

It is easy to operate

Main highlights

SAFE AC/DC ADAPTER: Input: AC100-240V 50/60Hz, Output: DC 3V/ 4.5V/ 5V/ 6V/ 7.5V/ 9V/ 12V 0-2A, USB Port: 5V 1.2A, Cord: 5 FT; Smart chip with built-in advanced safety technology, with comprehensive protection against overvoltage/overcurrent/short circuit/overtemperature

POWER SUPPLY WITH MULTI VOLTAGE: Lost or damaged power supplies can be easily replaced, Great design having the volt selector on the wall side & a thoughtful touch to include a key for selecting the desired voltage, which includes 12 Volt 9 Volt 5 Volt 7.5 Volt 6 Volt 4.5 Volt 3 Volt voltage output

8 VERSATILE ADAPTER PLUGS: power supply optional size tips: 5.5*2.1 mm, 4.8*1.7 mm, 4.0*1.7 mm, 3.5*1.35 mm, 3.0*1.1 mm, 2.5*0.7 mm, Micro-USB, LED terminal connector; Versatility and space saving convenience of having one base and all shapes of charge plugs in one place, you are able to choose different adapter tips and use them for various household electronics

-15%
#6
Arkare Universal Power Adapter Adjustable 12W AC/DC Power Supply AC 100-240V to DC 3-12V 3V 4.5V 6V 9V 12V 1A 800mA 500mA 300mA Switching Variable Power Charger with 15 Tips + Polarity Converter

9.0

Arkare

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Main highlights

Variable Power Supply: Input: AC 100~240V, 50/60Hz; Output: DC 3~12V Adjustable, Max 1A 12W. The variable voltage is easy to select. You can easily switch to different voltages by turning the built-in button with the provided key, such as 3V 4V 4.5V 5V 6V 9V 12V 1A 0.5A 0.8A 1000mA 800mA 500mA 300mA 100mA. One adapter for multiple device.

Universal ac adapter equipped with a reverse polarity converter. Our DC plug polarity: inner positive(+), outer negative(-). When your power interface is opposite polarity, such as piano keyboard, guitar multi effects pedal... you can use this reverse polarity converter, which expands the application range of the adapter to a greater extent.

12W multi voltage universal power adapter would meet your 90% power need for 3-12V small household and office electronics, like portable bluetooth, wireless receivers, electrical toys, classic radio,battery chargers, Christmas light decoration, games consoles, kids 4 wheeler, GPS, DVR, webcam, speaker, CCTV camera, speaker, lan phones, USB Hubs, laptop cooler, external speaker, 5V 12V LED strips Lights and more.
#7
Facmogu 3V-12V 5A 60W Adjustable Power Supply with LED Display, Variable DC 3V 5V 6V 9V 12V Universal AC/DC Adapter, 100V-240V AC to DC 3-12V Switching Power Converter Multi-Voltage Regulated Adaptor

8.9

Facmogu

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Main highlights

【Real-time LED Volt Display Function】-- Easy to use with the switch knob. Also you can control and monitor the power supply output voltage and from virtually with the LED display.

【Plug Design】-- Fit for both 5.5x2.5mm & 5.5x2.1mm plug. This cable terminates with a "standard" 5.5mm OD, 2.5mm ID DC plug, but it's also compatible with DC 5.5x2.1mm socket with the inner center spring contact. (NOTE: Power Supply Polarity: Center or Tip is positive (+), Sleeve is negative(-).

【Multi-Voltage Power Supply】-- Input Voltage AC 100V-240V 50/60Hz, Output Voltage ranging from DC 3V ~ 12V, up to 5A (5000mA), 60W Max. Perfectly meet a variety of indoor electronics. Please choose correct voltage before plug it to your device. Wrong voltage may damage your device. We recommend to use less than 80% of the full load.
#8
72W Power Supply Adjustable DC 3V ~ 24V Variable Universal Switching AC/DC Adapter Minidodoca AC to DC Converter with LED Voltage Display and 16 Tips, for 3V to 24V Household Electronics - 3000mA Max

8.8

minidodoca

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Main highlights

【Upgraded Version Power Supply】Built-in protruding rotatable button for adjusting the voltage suitable for your device ,The LED displays real-time voltage,which helps you control real-time condition of charging. The knob can be adjusted more evenly, and it can reach 13V ~ 14V by rotating 50%. Increase the off gear to turn off the power without pulling the plug.

【Multiple DC Tips】Equipped with 16 frequently used plugs: Micro-USB, Type-C, DC terminal connector, 6.5x4.4mm+Pin,6.3x3.0mm,5.5x1.7mm, 5.5x3.0mm+Pin, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm，5.5X2.5mm female to alligator clip，3pcs 5.5X2.5mm male connector with cable.

【Adjustable Voltage】Input: AC 100~240V, 50/60Hz, Output Voltage can be adjusted from 3V to 24V DC (such as 3V 4V 4.5V 5V 5.5V 6V 9V 12V 14V 15V 19V 20V 24V). Wattage Max 3A, 72W; It can supply with amps less than 3A, such as 300mA, 500mA,1A, 1.5A, 2A, 2.5A, 3A.
#9
Belker 36W 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Voltage Universal AC/DC Adapter Power Supply for Household Electronics Security Camera Router LED Strip Light Keyboard TabletmA Max.

8.7

Belker

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Main highlights

The universal AC adapter will save your space and offer various power choices to you. The voltage of the power supply adapter is adjustable and the AC adapter is equipped with different DC connector plugs to meet your multiple different power needs. You can adjust the voltage to 3V, 4.5V, 5V, 6V, 7.5V, 9V or 12V according to your need.

The Universal AC Adapter Input: 100-240V 50/60Hz, DC Output: 3V 4.5V 5V 6V 7.5V 9V 12V 3A (3000mA, fit for 0.5A 1A 1.5A 2A 2.5A below 3A Amperes) , Adapter DC Plug: 5.5mm*2.1mm

The 3V to 12V Power Adapter is compatible with Security Camera, Router, LED Strip Light, Keyboard, Tablet, Baby Monitors, TV Boxes, PS4 Controllers, Cellphones, Speakers, Routers and more household electronic devices.
#10
SHNITPWR 30W Universal Power Supply 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Variable AC/DC Adapter with 5V 2.1A USB Port, 100V-240V AC to DC 3V~12V Converter 0.5A 1A 1.2A 1.5A 2A 2.5A Max with 14 Tips

8.6

SHNITPWR

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Main highlights

The 30W all-in-one multipurpose AC/DC adapter fit for many 3~12V under 30W small electronics such as LED strips, under-cabinet light, TV Box, smart speaks, wireless routers, essential oil diffuser humidifier, USB fan, Wifi IP camera, USB Hub, hard disk box, CD Player, DVD Player, DC motor, DC pump, digital photo frame, DVR NVR surveillance system etc. This product is an AC to DC adapter, NOT charger!!!It can’t be used to charge electronic devices with batteries, such as laptops. Otherwise, it may damage your device.

It comes with an original 5.5x2.5mm tip (inside"+", outside"-") and 14pcs frequently used tips: 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C and DC terminal connector. We especially add a reverse polarity converter, which will double its application scope.

Input: AC 100~240V, 50/60Hz; Output: DC 3V 4.5V 5V 6V 7.5V 9V 12V adjustable, Max 2.5A 30W; It can supply with any amp less than 2.5A, such as 300mA 500mA 800mA 1A 1.2A 1.5A 1.8A 2A 2.1A 2.2A 2.4A 2.5A. Equipped with a 5V 2.1A USB port at the bottom, you can connect any standard USB cable to it. (USB cable not included).

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ac adapter 12 v adjustables

Universal Power Supply 3V~24V 3A 72W Adjustable Variable 3V 5V 9V 12V 18V 20V 24V AC/DC Adapter Charger, 100V-240V AC to DC Converter with 14 Tips, Polarity Converter and 4-Way Power Splitter Cable

9.9

Main highlights

3V~24V 3A 72W Universal Power Supply 3V 5V 6V 9V 12V 15V 18V 20V 24V Adjustable Variable Switching AC/DC Adapter, 100V-240V AC to DC Converter with 14 Tips & Polarity Converter & Test Lead, 3 Prong

9.8

Main highlights

Belker 12W 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Voltage Universal AC/DC Adapter Power Supply for Household Electronics,Micro USB - 1A Max. [BN]

9.5

Why we love it

Main highlights

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

9.4

Main highlights

SoulBay 12V Power Supply Universal AC DC Adapter Charger with Adjustable Output 5V 9V 3V 6V 4.5V 7.5V 12 Volt 1A 1.5A 2A for LED Strip Light CCTV Camera BT Speaker GPS Webcam Router, 5 FT Cord, 30W

9.3

Why we love it

Main highlights

Arkare Universal Power Adapter Adjustable 12W AC/DC Power Supply AC 100-240V to DC 3-12V 3V 4.5V 6V 9V 12V 1A 800mA 500mA 300mA Switching Variable Power Charger with 15 Tips + Polarity Converter

9.0

Main highlights

Facmogu 3V-12V 5A 60W Adjustable Power Supply with LED Display, Variable DC 3V 5V 6V 9V 12V Universal AC/DC Adapter, 100V-240V AC to DC 3-12V Switching Power Converter Multi-Voltage Regulated Adaptor

8.9

Main highlights

72W Power Supply Adjustable DC 3V ~ 24V Variable Universal Switching AC/DC Adapter Minidodoca AC to DC Converter with LED Voltage Display and 16 Tips, for 3V to 24V Household Electronics - 3000mA Max

8.8

Main highlights

Belker 36W 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Voltage Universal AC/DC Adapter Power Supply for Household Electronics Security Camera Router LED Strip Light Keyboard TabletmA Max.

8.7

Main highlights

SHNITPWR 30W Universal Power Supply 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Variable AC/DC Adapter with 5V 2.1A USB Port, 100V-240V AC to DC 3V~12V Converter 0.5A 1A 1.2A 1.5A 2A 2.5A Max with 14 Tips

8.6

Main highlights

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