We’ve spent hundreds of hours researching and comparing 2A Power Supply of all specifications to find the best one for any need (or budget). Here are the results.

The Best 2A Power Supply of 2020 – Top Rated & Reviewed

2,503 Reviews Scanned

Rank No. #1
12V 2A Power Supply AC Adapter, AC 100-240V to DC 12 Volt Transformers, 2.1mm X 5.5mm Wall Plug (12 Volt - 2amp - 2pack)
  • 12V 2A Switching Power Supply Adapter 2 Pack
  • Input Voltage: 100-240V AC; Output Voltage: 12V DC 2000 mA
  • Plug Type : 5.5x2.1mm DC Power US Wall Plug
  • Idea for CCTV Camera, Audio Amplifier, HUB, Router and Low Voltage Single Color 3528/5050 LED Strip Lights
  • 3 Foot Long Cable and 2 Years Warranty
Rank No. #2
TMEZON 12 Volt 2A Power Adapter Supply AC to DC 2.1mm X 5.5mm Plug 12v 2 Amp Power Supply Wall Plug Extra Long 8 Foot Cord
  • AC Input : 100V to 240V, DC Output: 12 volt at 2 amp rating . Please refer to the ASIN :B0746GCGQ8 if u need 10 units.
  • Type : Regulated switching power supply with 2.1mm x 5.5mm plug , center positive
  • Manufactured with high quality material and built-in protection of over current, over voltage, short circuits . COMPACT DESIGN and LOW CONSUMPTION makes it ideal for taking around and using at home.
  • 12v 2a Power Supply Wall Plug Extra Long 8 Foot Cord . Be aware others are not 8 Foot Cord.
  • Note: The deliver time display on the website is incorrect due to amazon system's error. In fact, the item can be shipped out within 2-3 days. Free Return Shipping , a replacement or refund is guaranteed.
Rank No. #3
12V DC Power Supply, SANSUN 12 Volt Power Supply for LED Strip Lights, AC120V to DC12V Transformers, 2A 24W Adaptor (Pack of 2)
  • 12V Power Supply, DC 12 Volt 2Amps Output, 24 Watt Max Wattage. Enough power to run one roll 16.4ft of 300 LEDs 3528 LED strip. However, YOU CAN NOT GO UP TO 16.4ft of 600 LEDs 3528 or 16.4ft of 300 LEDs 5050, the consequences of hooking too many LEDs would be overheating and flicker failure.
  • 4FT Output Cable with a Standard 5.5 x 2.1mm DC jack, Central Positive(+), Outer Negative(-).
  • Easy Installation, Free Get a Female Terminal Connector, no soldering no electrician or electrical experience required.
  • Used for LED Strip Lights and 12V DC Devices, such as security cameras audio and video gear and more.
  • [IMPORTANT] It's NOT a Charger, please check before buying.
SaleRank No. #4
Trnaroy Universal AC/DC Adapter 12V 2Amp Power Supply with 8 Switching Connector Adapter Tips and USB Plug for Household Electronics Routers Speakers CCTV Cameras USB Charging Devices
  • DC Power adapter - USB 12V 2A; 100-240V 50 / 60Hz
  • 8 Tip Switching Connector - Micro USB / 5.5mm x 2.5mm /5.5mm x 2.1mm / 4.8mm x 1.7mm /4.0mm x 1.7mm / 3.5mm x 1.35mm / 3.0mm x 1.1mm / 2.5mm x 0.7mm
  • Cable lenght: 1m
  • Check Compatibility - Make sure that voltage (12 V) matches device requirements. If your device requires more than 2A (2000ma) then it will not be compatible however If your device requires less than 2A then it will work well and safely
  • 24W replacement power supply adapter for many kinds of household electronics, like Android Box, Router, Speaker, Radio, CCTV camera LCD, Tascam Recorder and micro USB connectors for most etc.
Rank No. #5
BOLWEO Universal 5v 2a Power Supply Adapter,AC to DC Adapter with 7 Tips Connector DC Plugs Adapter for TV Box, Security Camera, LED Strip Lights, Audio/Video and More 5v Household Electronic Devices
  • 【Output】: 5V 2A 10W max, it means that it can supply with all amperage which smaller than 2A. ---such as 2.5A, 2A, 1A, 750mA, 800mA ,900mA all is available , For example If your device drawing the current only needs 1A then only 1A will be supplied.
  • 【Cable】:DC cable to connector 5.5*2.1mm, totally cable length:120cm/4Ft.
  • 【7 Tip Switching Connector】:In order to meet your more requirements,We will give you 7 connectors to you, connector size: Micro USB / LED Connector / 5.5*2.5mm / 4.0*1.7mm / 3.5*1.35mm / 3.0*1.1mm / 2.5*0.7mm.
  • 【What You Get】:5V 2A power supply, 7 connectors, BOLWEO provides friendly customer service and if you have any questions with the product, please feel free to contact us and we will provide you a satisfying solution.
Rank No. #6
(2 Pack) 5V 2A Power Supply Adapter, BOLWEO AC 100-240V to DC 10W Adaptor Cord Compatible with Baby Monitor,TV Box, Speaker, Camera,Audio/Video, 5V Router, DC Jack Barrel 5.5mmx2.1mm
  • AC Input:100-240V 50-60Hz, DC Output:5V 2A 10W. { If you are not sure about the tip size you need, you can use the one with 7 tips(5v 2a 7 tips), almost suitable to most devices. }
  • DC connector:5.5mm*2.1mm, totally cable length:120cm/47.24in/3.94ft. (these size are slight difference, many people don’t know what exactly tip size they need, then buy wrong, so please take a probable measure of your device or original adapter connector size before you buy!)
  • Over-voltage protection,over-current protection,short-circuit protection.
  • Widely Application for USB Hub, Sony PS4 Controller, Graco Swing,CD player, Hubs, Switches, 5V Wireless Router, LCD, CCTV Camera, External battery, Baby Monitor, Home Phone System,Raspberry Pi A/A+/B/B+ Raspberry Pi Zero, MP3/MP4, GPS, Keyboard,5V Scanner, 5V Bluetooth Speaker, Foscam Wireless IP Camera etc.(compatible with arduino project).
  • Package: 2*5V 2A power supply, We provides friendly customer service and if you have any questions with the product, please feel free to contact us and we will provide you a satisfying solution.
SaleRank No. #7
inShareplus 12V LED Strip Power Supply 2A 24W, Wall Mounted 12V Switching Power Supply, Drive, 110V to 12 Power Supply for LED Strip Light with 5.5/2.1mm DC Female Barrel Connector to Screw Adapter
  • ✔【INPUT&OUTPUT】: 100-240V AC input 50/60HZ, DC 12V 2Amp output, 24 Watt max wattage
  • ✔【WIDE APPLICATION】: Convert 100-240V AC to 12V DC, widely use for SMD2835 3528 5050 RGB LED strip lights, LED string, wireless routers, ADSL Cats, HUB, switch, security camera, Audio/Video power supply
  • ✔【KINDLY NOTE】: Please be kindly informed that the total wattage of LED strip lights should not exceed the max wattage(24 Watt) of this adapter
  • ✔【PACKAGE INCLUDES】: 1 x 12V 2A 24W power supply with 3.3ft power cord, 1 x 5.5/2.1 DC female barrel connector to screw adapter
  • ✔【HIGH QUALITY】: With 1 year warranty, and our seller support team always stand behind our products in any way, so please contact us for solution if you have any quality problems
Rank No. #8
Waysse 12V 2A Power Supply AC Adapter, Slim Design AC DC Switching Power Supply Adapter (Input 100-240V, Output 12 Volt 2 Amp), Wall Wart Transformer Charger for DC12V Security CCTV Camera
  • ✔【Input & Output】: AC 100~240V, 50/60Hz ; Output: DC 12V, Max 2A / 2000mA, 24W ; with 5.5mm x 2.5mm DC plug. In order to meet more requirements.
  • ✔【Wide Application】: Perfect for 12V Led Strip Light, Wireless Router, ADSL Cats, HUB, Security Cameras, WiFi Camera, DVD Player, Audio/ Video Power Supply, 3D Printer, CCTV Security System, LCD Monitor, digital piano, portable Keyboard, IR illuminator and other 12V devices less than 24W.
  • ✔【Kindly Note】: (1) Avoid water, indoor use only. (2) You can aslo cut off the dc plug and connect the wire directly for some special usages (Dotted line is negative). Please be kindly informed that the total wattage of LED strip lights should not exceed the max wattage(24 Watt) of this adapter.
  • ✔【Product Support】: Customers can get a full refund within 30 days or get a new product for free within 1 year due to product quality problems. We stand behind our products, please feel free to contact us via amazon "contact us" button.
  • ✔【Package Includes】: 1 x 12V 2A 24W power supply with 3.3ft power cord.
Rank No. #9
LE Power Adapter, 2A, AC 100-240V to DC 12V Transformer, 24W Switching Power Supply, US Plug Power Converter for LED Strip Light and More
  • Input of adaptor: 100 - 240 Volt AC, 50/60Hz.
  • Output voltage: 12 Volt DC, 2 Amp.
  • Applications: Low voltage strip light, table lamp and other 12V products.
  • Max wattage of power supply: 24 Watt.
  • Power cord length: 3.9ft/1.2m. Dimensions: 3.86inch/98mm x 1.77inch/45mm x 2.36inch/60mm.
Rank No. #10
[UL Listed] Maxson 15V 2A Power Supply Charger (Input AC 100V-240V, Output DC 15 Volt 2 Amp 30 Watt) Adapter Switching Transformer Converter DC 5.5mm x 2.1mm / 5.5mm x 2.5mm Universal
  • One of the Best Quality 15V Power Adapter on Amazon : 3 years Free Replacement Guarantee | Current Overload Cut-off | Automatic Thermal | Short Circuit Protection | High Efficiency | Low fever & No Noise | Full Wattage 30 W | Long Lifespan | High Quality Shockproof Retail Packing Box | Secure Black Plastic Case
  • Universal AC/DC Adapter: AC Input: 100-240V 50/60Hz , DC Output: 15V 2.0A, max wattage is 30W
  • UL FCC Safety Certificates(E361974)
  • Multiple uses,Work for 15V dc Devices at Max 2 Ampere 30Watt (0.3A 0.5A 1A 1.2A 1.4A 1.5A 2Amp , all are Suitable) : Bluetooth Speaker, Receiver, Outdoor Speaker, Amp, LED Lights, HUB, switches, security cameras, audio/video power supplyameras, audio/video power supply
  • Our goal is to ensure our customer's happiness. Please feel free to contact us with any questions or concerns so that all issues can be handled Immediately and Efficiently by our expert staff

Last update on 2021-02-13 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated 2A Power Supply to Buy Now

 

Why You Should Buy Best 2A Power Supply from Amazon

Amazon is not the only store that sell 2A Power Supply. However, there are several compelling reasons why you should buy 2A Power Supply from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping 2A Power Supply Personal

Amazon is very good at making recommendations of 2A Power Supply based on your search history. From time to time, they will even show you discounted prices on 2A Power Supply that you previously expressed an interest in. They also make your shopping experience a little easier by showing you items that you recently viewed.

(2) Amazon Checkout is Easy

Amazon checkout is easy, especially if you already have an account. You can add 2A Power Supply to your cart and go through a multi-step checkout process, or you can buy 2A Power Supply with only one click by using your stored credit card information.

(3) Amazon Has Lots of Social Proof

Before you make a purchase for 2A Power Supply, you want to know that the company you are dealing with is legitimate and that others trust the company enough to make a purchase. You may also like to read what others are saying about the product in the review section. Amazon does all of this quite well.

(4) Amazon Has Great 2A Power Supply Images and Descriptions

In addition to still images, many of Amazon’s 2A Power Supply have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s 2A Power Supply descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for 2A Power Supply. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best 2A Power Supply (with Price and Reviews)

Although most 2A Power Supply are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an 2A Power Supply:

(1) 2A Power Supply Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an 2A Power Supply should be in line with its value. You can compare 2A Power Supply reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular 2A Power Supply is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

2A Power Supply materials differ from manufacturer to manufacturer. Consider where and how you will be using your 2A Power Supply to determine if one material would be better than another.

(4) Size

Like most products, 2A Power Supplys come in various sizes. Do you need a large 2A Power Supplyor a small one? Think about where you will use your 2A Power Supply in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

2A Power Supplys also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your 2A Power Supply would have any effect on the efficiency of its operation.

(6) Durability

The durability of an 2A Power Supply will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of 2A Power Supply you purchase may affect its durability.

(7) Storage

Will you need to store your 2A Power Supply? If so, you should consider the size and weight of the 2A Power Supplyto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your 2A Power Supply will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an 2A Power Supply. It is hard to know exactly how an 2A Power Supply will perform until you get it home and try it out.

(9) Warranty

Make sure the 2A Power Supply you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.