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Adjustable Power Adapter 3V to 12V with Reverse Polarity
Adjustable Power Adapter 3V to 12V with Reverse Polarity

Adjustable Power Adapter 3V to 12V with Reverse Polarity

SKU: MIS-00709

Brand: Made in China

Warranty: N/A

Model: N/A

৳ 1360.09

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Category: Charger

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Description of Adjustable Power Adapter 3V to 12V with Reverse Polarity

The Adjustable Power Adapter is a versatile and space-saving universal power solution designed for home electronics. With selectable output voltages ranging from 3V to 12V and 8 interchangeable DC plugs, it caters to a wide range of devices. Its advanced protection and reverse polarity compatibility (when used with an optional cable) make it an ideal choice for hobbyists, DIY users, and professionals.

 

Key Feature


  • Adjustable output voltage allows switching between 3V, 4.5V, 5V, 6V, 7.5V, 9V, and 12V using the included selector tool
  • Compatible with a wide range of electronic devices using 8 interchangeable DC plugs
  • Compact and portable design replaces the need for multiple adapters
  • Built-in smart safety chip protects against overvoltage, overload, short circuit, and overheating
  • The default polarity is center positive, outer negative; supports reverse polarity with optional cable
  • Strong build quality with durable 1.5-meter cable and magnetic ring for stable power delivery

 

Technical Specifications


Parameter

Specification

Input Voltage

AC 100V to 240V, 0.25 Ampere, 50 or 60 Hertz

Output Voltage Options

3V, 4.5V, 5V, 6V, 7.5V, 9V, 12V

Maximum Output Current

2.1 Ampere

Maximum Output Power

30 Watt with USB, 12W no USB

Polarity

Center positive, outer negative

Polarity Reversible

No (requires a separate reverse polarity cable)

Cable Length

1.15 meters (45.5 inches)

Magnetic Ring Size

10.5 x 5.6 x 20 millimeters

 

Included DC Tips (8-in-1):


Size (mm)

Compatible Devices (Examples)

5.5 x 2.5

Routers, CCTV Cameras, LED Strip Controllers

4.8 x 1.7

External Hard Drives, Printers

4.0 x 1.7

Sound Systems, Mini DVD Players

3.5 x 1.35

Toy Gadgets, Hobby Electronics

3.0 x 1.1

Shavers, Small Portable Devices

2.5 x 0.7

Small MP3 Players, Modems

Micro-USB

Legacy Smartphones, MP3 Players

LED Connector

12V LED Light Strips and LED Modules


Important Notes:


  • Default Polarity: Positive center ( + ), outer negative ( – ). NOT reversible by default.
    To power devices like guitar pedals that require negative center ( – ), use a reverse polarity cable (e.g., ASIN: B07TJW68TR).
  • Not for Charging Batteries: This adapter is not designed to recharge lithium-ion or other types of battery packs.
  • Power Limitation: Not suitable for laptops or devices requiring more than 15W.


Applications


  • Wireless Routers
  • Portable Speakers
  • CCTV Camera Systems
  • LED Strip Lights
  • Electronic Scales
  • Legacy Smartphones and Micro-USB Powered Devices
  • DIY Electronics Projects


Packaging Details


  • 1 × Adjustable 15W Power Adapter (Positive Polarity)
  • 8 × Interchangeable DC Plugs
  • 1 × Mini Voltage Selector Wrench


Attention


Note: This item is non-returnable. If it arrives damaged or is not functioning properly, please don't hesitate to contact us to determine if further action is required.


Need Help?


Our engineers are available to assist you. If you have any queries, please leave a comment below or call 09678110110 from 09:00 am to 08:00 pm (7 days a week). You can also reach us via Live Chat or Facebook Inbox.


Frequently Asked Questions (FAQ)


How do I adjust the voltage on this adapter?
The adapter includes a small voltage selection wrench. You can use it to choose between 3V, 4.5V, 5V, 6V, 7.5V, 9V, or 12V before plugging it into your device.

What types of devices can I use this adapter with?
This adapter is suitable for a variety of low-power electronic devices, including routers, speakers, LED strips, CCTV cameras, digital scales, and small gadgets. It is not suitable for laptops or any device that requires more than 30 watts via USB or more than 12 watts without USB.

Can this adapter charge batteries?
No. This adapter is not designed for charging rechargeable batteries. It is for powering electronic devices only.

What is the default polarity, and how do I know if it matches my device?
The default polarity is center positive (inner pin +, outer barrel –). If your device requires center negative, you will need a reverse polarity cable (sold separately).

What happens if I set the wrong voltage?
Supplying incorrect voltage or polarity may damage your device. Always check your device's voltage and polarity requirements before connecting the adapter.

How many connector tips are included with the adapter?
The adapter comes with 8 interchangeable DC plugs, including sizes like 5.5x2.5 mm, 4.8x1.7 mm, Micro-USB, and an LED connector, making it compatible with a wide range of devices.


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Adjustable Power Adapter 3V to 12V with Reverse Polarity

৳ 1360.09

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