Top 10 Best 12v 2a power supply in 2026

Last Updated - 6/10/2026

🏆Best Choice

FlickerStar

12V 2A AC Power Supply Adapter Charger Cord for Yamaha PSR, YPG, YPT, DGX, DD, EZ and P Digital Piano and Portable Keyboard Series, Replacement PA-130 PA-130B Adapter

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Professional Adapter Charger for Yamaha keyboards series. Input: AC voltage 100V-240V, 50/60 Hz, Output: DC 12V Maximum 2A
•Note: If the power requirement of the Keyboard is higher than 12V (volts) or higher than 2A (amps). The adapter will not work.
•Package includes: Adapter charger has extra long cable 6 feet. Security quick charge, protect the Yamaha keyboards, cell loss and aging.
•Compatible with Yamaha Keyboards: Suitable for Yamaha PSR, YPG, YPT, DGX, DD, EZ, PSS, YDP and P digital piano and portable keyboard series. (See the description for more details)
•[Friendly Customer Support]: If you have any questions or concerns, please don't hesitate to reach out. Our dedicated professional team is here to provide you with friendly and efficient customer service.

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$9.99

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inShareplus

inShareplus 12V Power Supply, 12 Voltage 2A 24W Switching Power Supply, Drive, Power Adapter, AC 110V to 12 Volt Power Supply for LED Strip Light with 5.5/2.1mm DC Female Barrel Connector

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•[ INPUT&OUTPUT ] 12V 2a power supply, 100-240V AC input 50/60HZ, DC 12V 2Amp output, 24 Watt max wattage
•[ WIDE APPLICATION ] Convert 110V AC to 12V DC,12V 2A 24W DC LED power supply is suitable for most 12V DC (0 to 2Amp) products. Used for SMD2835 3528 5050 LED strip lights, LED string, wireless routers, ADSL Cats, security camera
•[ KINDLY NOTE ] Please be kindly informed that the total wattage of LED strip lights should not exceed the max wattage（12V 24 Watt) of this 12v dc power supply
•[ PACKAGE INCLUDES ] 1 x 12V 2A 24W led light power supply with 3.3ft power cord, 1 x 5.5/2.1 DC female barrel connector to screw adapter
•[ HIGH QUALITY ] Our seller support team always stand behind our products in any way, so please contact us for solution if you have any quality problems

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$7.89

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12 Volt 2A Power Adapter Supply, AC 100-240V to DC 12 V Power Supply Transformer Charger Wall Plug for DC12V Light Security CCTV Camera, Black, 8x5x3.3 cm

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Input:AC 100-240V, 50/60Hz ; Output: DC 12V, Max 2A / 2000mA, 24W ; ;Works with device that draws less than 2A, such as 1.1A, 1.2A, 1.4A, 1.5A, 1.8A, 2A
•ManPerfect for DC12V Led Strip , Router, ADSL Cats, HUB, Security Cameras, Camera, DVD Player, Audio/ Video Power Supply, 3D Printer, CCTV Security System, LCD Monitor, digital piano, portable Keyboard, IR illuminator and other DC 12V devices less than 24W
•DC plug connector external diameter is 5.5mm, internal diameter is 2.1-2.5mm. Inside Diameter is positive ''+'', outside Diameter is negative''-''. Comes with a female DC barrel connector. You can easily screw wires on it without soldering.Please kindly check your device model, output and plug size before buying, and would make sure that the size of the plug of the adapter can match your devices
•Please note that this product comes with a one-year warranty. If you encounter any issues, please contact our after-sales team via (Site Message) for assistance.If the device's interfaces are properly connected but the product still does not work, please contact us. We will work to provide you with a satisfactory solution.
•This product cannot charge the battery,Item is a DC 12V power supply, INCOMPATIBLE with Laptop, Massager, Vacuum Cleaner, Blood Pressure Cuff.Not compatible with , Anker hubs, robot vacuums, NVR connectors, or scanners，certain LED lights.

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$7.99

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LitStar

12V 2A Power Supply AC Adapter Replacement with 8 Tips, Regulated 12 Volts 2000mA Cord Charger for LED Strip Light, CCTV Camera, GPS, Webcam, Router, BT Speaker DC12V Transformer (6ft)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•[Power Specs]: Input 100V-240V 50/60Hz; Output: 12V 2A. Output adaptor Self-Adapting Barrel jack size: 5.5mm x 2.1mm (applicable 2.5mm) positive (+) center.
•[Intelligent Identification Output]: The adapter can automatically identify the current amperage required by the electronic device. For example; 50ma 100ma 150ma 200ma ~ 800ma 900ma 1000mA 1500mA 2000mA, etc. The highest output is 2A.
•[Combination Selection]: 8 Interchangeable DC Plug connectors. You can choose from a variety of combinations to better use the adapter. You can DIY adapter projects and use for more 12V home electronics.
•[Extensive Compatibility]: Suitable for CCTV Cameras, LED Strip light, led tape light, keyboard, BT speakers, GPS, webcam, router, and more 12V electronics.
•[Lifetime Friendly Customer Support]: If you are unsatisfied with the product, please don't hesitate to contact us! We are committed to providing you with excellent customer service.

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$11.99

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SmoTecQ

SmoTecQ 12V 2A Power Supply AC Adapter 2 Pack for CCTV Security Camera, Led Strip Lights, Router, Printer, Breast Bump and Other 12 Volt Electronics Devices Less Than 2 Amp

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Versatile Compatibility: Perfect for powering 12V electronics such as CCTV security cameras, LED strip lights, routers, printers, breast pumps, and other devices requiring 12V and less than 2 amps.
•Dual Pack for Convenience: Comes with two high-quality adapters, each with a 1.2m cable length. Ensuring you have a backup or extra power source for your devices.
•FCC Approved & Safety Certified: Meets high safety standards with built-in overcurrent, short-circuit, and overvoltage protection, giving you peace of mind while using your devices.
•Standard 5.5x2.1mm Tip: Compatible with a wide range of 12V devices that use the standard 5.5mm outer diameter and 2.1mm inner diameter connector.
•Durable & Long-Lasting: Constructed with high-quality materials for long-lasting performance, ensuring your devices remain powered for years to come.

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$9.99

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TMEZON

TMEZON 12 Volt 2A Power Adapter Supply AC to DC 2.1mm X 5.5mm Plug 12v 2 Amp Wall Plug Extra Long 8 Foot Cord LED Strip Module Light

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•【Power Up Your Devices】With TMEZON's 12V 2A AC to DC Power Adapter, you can easily power up your LED strip lights, USB hubs, security cameras, and multiple devices!
•【Easy to Use】The 2A power adapter plug makes it easy to power Android cellphones, tablets, the 8ft cable gives you plenty of room to maneuver.
•【Extra Long Cord】Tmezon ac power adapter comes with an 8ft (2.4m) cord, giving you the flexibility to place your devices wherever you need them. Cord length is long enough for intended use
•【Self-Adapting Plug】Tmezon 12 volt power supply comes with a self-adapting barrel plug for 2.1mm * 5.5mm center positive, making it compatible with a wide range of devices.
•【Built-In Protection】tmezon 12 volt 2a power adapter is manufactured with high-quality materials and built-in protection against over current, over voltage, and short circuits, ensuring your devices stay safe.

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$8.99

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GuanTing

GuanTing Universal AC Adapter 12V 2A Power Supply Charger 24W AC110V to DC12V 2000mA 1500mA 1000mA 500mA Power Driver 11 DC Plug Tips 12 Volt Converter Inverter Transformer ac dc Adapter(DC12V~2A)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•[Specifications] Input: AC100V-240V 50/60Hz. Output: DC12V~2A (1.5A,1A,800mA, 500mA,400mA,200mA,100mA all compatible, can adjust output current depends on your device’s input) Max power: 24W (20W/18W/15W/10W/8W/5W all compatible) DC plug size: 5.5mm x 2.1mm (with 11 changeable DC plug tips) Polarity: inner positive+/outer negative- (same as most DC12V devices).
•[Safety&Durability] Over voltage/ over current/ short circuit/over loaded/surge protection system loaded, robust design with fireproof shell and superior heat dissipation board, without fan noise, CE/FCC/DoE VI certified safety insurance and energy efficient.
•[Compatibility] Except for the common 5.5 x 2.1mm DC plug, this power supply also come with 11 interchangeable plug tips, support almost all small DC12V devices such as LED Strip Lights, WIFI Router, ADSL Cats, Bluetooth speaker, GPS, webcam, digital piano keyboards, Switches, CCTV Security Cameras and other devices which are powered by DC12V (2A,1.5A,1A,800mA,500mA,400mA,200mA,100mA) power supply.
•[Warning] Please check the DC socket size, power consumption, polarity of the device to make sure the ac adapter/power supply fit before ordering, or it may not work or cause problem. (To ensure good performance and durability, try not to exceed 80% of the total output of the adapter for long time use)
•[After Sale Service] All our products will pass strict test before sending out, there’s seldom faulty during packing or shipment, if there’s any problem with the power supply, we'll tackle it for you within 24 hours, thank you in advance.

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$8.98

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CIHTL

12V 2A Power Supply AC Adapter with 10 Tips, ETL Certified Regulated 12 Volt Replacement Charger Cord for LED Strip Light, CCTV Camera, BT Speaker, GPS, Webcam, Router, DC Transformer (6ft)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Important Note: Ensure Compatibility Before Purchase! Contact us if you are unsure about compatibility, Please confirm your device's input voltage is 12V and input current does not exceed 2A, it may not work properly.Positive (+) is located on the inner contact, and negative (-) is on the outer contact
•Compatible With CCTV Cameras, LED Strip light, led tape light, keyboard, BT speakers, webcam, router, and more 12V electronics
•Certified Safety Standards: Meets rigorous industry certifications, including ETL, ensuring compliance with global safety and quality standards for reliable performance
•Versatile 10-in-1 DC Tips: Includes 10 interchangeable DC connectors for broader compatibility. Perfect for DIY projects and powering a wide range of 12 V home electronics
•Smart Current Adjustment: The adapter intelligently adjusts output to match your device's power needs, supporting a range from 50 mA to 2000 mA with a maximum output of 2 A, ensuring safe and efficient charging
•Specification: Input: 100-240V 50/60HZ; Output: 12 V 2 A

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$8.99

$11.99

-25%

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Wefomey

12V 2A Power Supply Adapter, UL-Listed, 120V AC to 12V DC Adapter Transformer, 12 Volt 2 Amp 24W Wall Charger for LED Strip Lights, Security Camera, 5.5x2.1mm US Plug (5 Pack)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•UL Listed 12V 2A AC to DC Charger: Regulated 12V Power Cord Tested & Approved and Certified by UL, UL FCC Safety Certificates（E329462). Build in short circuit/Over current/Over voltage/Over temperature protection/ 18Awg Power Wire / Low Fever / No Noise / Long Lifespan / High Quality Shockproof Packing Box
•12V 24W Power Supply Adapter: Power supply works for the devices which ask for a less than 12V 2A 24W power adaptor, Such as 12V 2000mA, 1800mA, 1600mA, 1500mA, 1300mA, 1200mA, 1100mA, 12V 2A, 1.8A, 1.6A, 1.5A, 1.3A, 1.2A, 1.1A transformer charger
•Power Supply Specifications: Inner Positive(+), Outter Negative(-), Input: AC 100-240V 50/60Hz, Output: DC 12V, Max 2A, 24W. IP30 Indoor. 5ft /1.5m power cord, Charger can be work for most of your 12V DC input devices
•Wide Application: Ideal for Wefomey LED Strip Lights, Keyboard, BT Speaker, Router, Webcam, DVR, NVR, CCTV Camera and other 12V devices less than 24W
•What You Get: 5 Pieces 12V 2A universal AC to DC power adapter and 5 Pieces 5.5/2.1 DC female barrel connector. If you have any questions, please feel free to contact us via Amazon, and we are here for you.

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$27.99

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Cysljoyful

12V DC Power Supply 2A 2000mA Universal AC Adapter, 100-240 50/60Hz Adapter to 12 Volts 2Amp Transformer, DC 12V Power Cord, 5.5mm x 2.5mm Plug, & 1 More Tip

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•This 12 Volt 2 Amp Power Adapter is perfect for 12V devices less than 24W, such as 12V LED light strip, CCTV security camera, Speaker, Routers etc
•Output: DC 12V, 2A (2000mA) 24W Max.; Input: 100V-240V 50/60Hz; Works with device that draws less than 2A, such as 1A, 1.5A, 2A
•DC 12V Power Cord with Plug size is 5.5mm x 2.5mm. E.g. DC output port outer diameter is 5.5mm, inner diameter is 2.5mm. Please kindly confirm it before ordering.
•FIVE Protections: automatically overload cut-off, over voltage cut-off, over temperature cut-off, short-circuit cut-off.
•WHAT WILL YOU GOT: 12Volt 2Amp Power Adapter x 1, 1 more Tip and 24 months Warranty. Would you please send our email if you have any about this item? We will support it.

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$6.26

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