The Best ac dc power converter of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best ac dc power converter of 2022. Check our ranking below.

2,820 (random num) Reviews Scanned

SaleRank No. #1

ALITOVE AC to DC Converter 110V to 12V 10A 120W Power Supply Car Cigarette Lighter Adapter to Wall Plug AC/DC Transformer for Car Vacuum Cleaner, Car Refrigerator and Other Car Devices

【 Specifications 】 Input: 100~240V 50/60Hz; output: 12V DC, 10A 120W max; Works well with car devices that draws less than 10A, such as 5A, 8A, 10A. Please don’t use this power adapter to power devices over 120W for a long time. Otherwise, the lifespan will be greatly shortened. 8ft power cord to reach a wide range.
【 Multiple Safety Protections 】All the power supplies are put through rigorous quality control procedures to ensure safe, reliable operation for years to come. Built in multiple safety protections, such as overload cut-off, over voltage cut-off, over temperature cut-off, short-circuit cut-off.
【 Wide Compatibility 】Works with almost all 12V under 120W automotive electronics with cigarette lighter plug, such as car refrigerator, car TV, car cleaner, car dash cam, car DVR video recorder, car Bluetooth FM transmitter, car air purifier, car humidifier, car massage cushion, car air fan, etc.
【 What you will get 】1x 12V 10A 120W power supply, 1x power cable. 100% quality guarantee, worry-free shopping. 24-month warranty and friendly customer service. We are always stand behind our product. If there is any issue, please contact us, we will reply in 12 hours.
【Precaution】 Generally speaking, instantaneous starting current of devices with built-in motor (such as car vacuum cleaner and inflator ) is much higher than the rated current. So, we recommend you to buy ALITOVE 12V 15A power supply (ASIN: B08FB377WG ) for 12V 8A~10A car vacuum cleaner and inflator.

Rank No. #2

Yaheeda New Version Converter, 110V AC to 12V DC Converter Power Supply 12V 600W 50A DC Switch Transformer for RV,Pump,LED Strip, LCD Monitor

【ADJUSTABLE Voltage and Current】Input voltage: AC 110V / 220V (85-145V / 185-265V); Output current depends on the device, e.g.DC 12V 10A 120W, 20A 240W, 35A 420W, and the peak current is 50A, peak power 600W. Recommended for equipment below 40A 480W. For resistive device, SMPS peak power ≥ device power × 1.25 times. For Motor device, the peak power of the SMPS needs to be more than 2 times the power of the Motor.
【One-Key Operate】With red button on/off switch function, more safe and convenient power start/stop operation, Switch Transformer build with Imported Aluminum alloy shell ,Built-in wire integrated design, Dual power connection methods.
【Safety Features】Automatic overload cut-off, over Voltage cut-off, automatic thermal cut-off, short circuit protection.High Reliability, Low Temperature Rise,Built-in EMI filter, 100% Full load burn-in Tested.
【Includ Clamps and Copper Wire】12V 50A 600W Power Supply converter with ul power cord ,wire lugs, metal clip and screw. Dial to the correct gear position, cut off the power before disassembling the connection
【Applications Widely】Simultaneous power supplies for devices different currents/watts. Used for DC 12V Pump, PCP Air Compressor,Winch, Car Jack, Car Stereos, Amplifier, Radios, Air Compressor, LED Light Strip, Brushless Motor, Household Appliances, Electronic Devices, Automation Equipment, Computer Project, Servos, etc Cannot be used on the: Programming / Adjustable-Speed Motor /PWM Motor/ Dimming Light / Plant Light / DC Power Controller

SaleRank No. #3

Pro Chaser 400W Power Inverters for Vehicles - DC 12v to AC 110v Car Inverter Converter, 6.2A Dual USB Charging Ports, Dual AC Adapter for Laptops Air Compressor

【Pro Chaser Power Inverter Basics】: This inverter provides a steady 400W of DC to AC power with a peak output of 800W. Equipped with dual 110V AC sockets and two high-speed 3.1A USB ports, it's perfect for powering your devices on the go.
【Road Trip Ready】: Power up your journey with 4.8A dual USB ports for fast charging of phones, tablets, cameras, and more. The AC outlets easily handle 300W–400W devices like laptops, breast pumps, DVD players, and bottle warmers—making travel with tech and family a breeze.
【Portable and Flexible】: This compact, cellphone-sized inverter comes with a 30-inch (75cm) cord for maximum flexibility—ideal for travel, outdoor adventures, and everyday on-the-go charging.
【Safety You Can Trust】: Enjoy peace of mind with built-in protection against electrical risks like overloads, voltage issues, and overheating. The smart cooling fan kicks in at 113°F (45°C) to keep everything running smoothly. Comes with a 12-month worry-free warranty.
【Important Safety Notice】: Always use the inverter in a cool, dry environment to ensure reliable operation. It delivers powerful AC current comparable to home wall outlets—handle with caution and KEEP AWAY FROM CHILDREN.

Rank No. #4

AUCARAUTO 15A 180W AC to DC Converter 7.64FT 110V-240V to 12V Car Cigarette Lighter Socket Adapter to Wall Plug AC/DC Power Supply Adapter for Inflator, Car Refrigerator, and Other Car Devices C15

AC to DC Converter: Universal 7.64ft long AC 100V~240V 60Hz household current to DC 12V power; Works with most car-powered devices with a power consumption under 180W, such as inflator, car refrigerator, car vacuum cleaner, air purifier, car fan and more.
Safety Guarantee: CE & FCC & RoHS approved; Premium materials protect against Over Charging, Short Circuits, Over Powering, Over Current, Over Discharge, Over Voltage.
Plug and Play: Just plug the 110V to 12V converter into a power outlet and connect your automotive electronic device to quickly use your portable products with a 12V cigarette lighter adapter; Not designed or intended to charge batteries.
Different Cooling Effect: Cooling Fan > Heat Sink > Aluminum Base for Heat Dissipation; Quiet: Heat Sink > Aluminum Base for Heat Dissipation > Cooling Fan (The aluminum base for heat dissipation is slightly less effective than the built-in fan, but provides a quieter experience.)
NOTE: Please don’t overload this power converter over 180W/15A, otherwise, your device won’t work well and the power supply will be damaged very soon; It is normal for the converter to heat up when running for a long time or using high power equipment. If there is deformation or melting, please stop using it immediately.

Rank No. #5

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

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
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
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
Wide Range of Applications: The 72W all-in-one multipurpose AC/DC adapter fit for many 3~24V small household electronics such as LED strips, 3D printer, smart speaks, wireless routers, DC motor, DVR NVR surveillance system etc. For indoor use only
Package Includes: 1 x 3~24V 3A universal ac/dc adapter, 14 x DC tips, 1x reverse polarity converter, 1x alligator clip test lead, 1x male DC power pigtail cable. If you have any questions, please feel free to contact us via Amazon, and we are here for you

Rank No. #6

Suacopzar 12V 10A Car Power Adapter Female Auto Cigarette Lighter Plug, AC 100-240V to DC 12V 10A 120W Power Supply Adapter AC to DC Converter Transformer for Car Powered Device

Connected to AC 100~240V 50/60Hz household current and convert into DC 12V 10A power with a total long 254cm (8.3ft) power cord to reach a wide range. Allows car devices to be used at home or anywhere you want.
Work perfectly with most of car powered devices under 120W, such as car GPS system, car vacuum cleaner, car refrigerator, car massage cushion, car air pum compressor/ inflator, car cooler/warmer, and so on.
High Efficiency & Reliability, Automatic Overload Cut-off, Automatic Thermal Cut-off, Short Circuit & Over Voltage Protection, Low Interference & Noise.
NOTE: It should be 12V DC, not be AC 12V or lower/higher than 12V DC. Please check the max current your device will draw. It should be equal to or less than 10A, under 120W. Otherwise, your device won’t work well and the power supply will be damaged very soon.
Input: AC 100-240V 50/60Hz; Output: DC 12V 10A; Standard US 2-Pins Plug & Female Car Cigarette Lighter Connector. (Please check the power input connector of your device. It should be standard male car cigarette lighter plug.)

SaleRank No. #7

New Version 110V to 12V DC Converter, IMAYCC AC to DC Converter 600W 50A,120V to 12V Power Supply, Adjustable Power Supply

👍【Adjustable Voltage Converter】Input voltage: AC 110V / 220V (85-145V / 185-265V); Output current depends on the device, e.g.DC 12V 10A 120W, 20A 240W, 35A 420W, and the peak current is 50A, peak power 600W. Recommended for equipment below 40A 480W. For resistive device, SMPS peak power ≥ device power × 1.25 times. For Motor device, the peak power of the SMPS needs to be more than 2 times the power of the Motor.
👍【Convenient for 12V Device】This DC Converter include 2 sets copper Clamps and wires , it will be easy to connect the 12V Pump , heater , Car Stereo and Car Cigarette Lighter Socket Device; With on/off switch , more safe and convenient power start/stop operation
👍【Exquisite workmanship 】The connecting terminals of the product are made of full copper nickel-plated terminal material, with good conductivity and high conversion efficiency ; and the product shell is made of aluminium alloy, with a number of mounting holes reserved for easy installation; the bottom with non-slip pads, convenient for fixing and heat dissipation.
👍【Safety and Stable,Long Service Life 】Design with Automatic overload cut-off, over Voltage cut-off, automatic thermal cut-off, short circuit protection.Equipped with a built-in cooling fan,which keep the device working long stable. IMAYCC 600w converter power supply, power cord and plug all have passed UL,CE,RoHS Certifications.
👍【Widely Applications 】power supplies for devices different currents/watts. Used for DC 12V Pump, PCP Air Compressor,Winch, Car Jack, Car Stereos, Amplifier, Radios, LED Light Strip, Brushless Motor, Household Appliances, Electronic Devices, Automation Equipment, Computer Project, Servos,Tire Inflator,Vacuum Cleaners etc.

Rank No. #8

AC to DC Converter, 100V ~ 240V to 12V 10A 120W, Car Cigarette Lighter Socket AC/DC Power Supply Adapter Transformer for Tire Inflator, Car Refrigerator, Car Vacuum Cleaner, and Other Car Devices

【Stable Power Converter】AC to DC converter can convert 100V~240V AC household current into 12V 10A DC power supply. This power supply adapter with a total long 277cm (9.1ft) power cord to reach a wide range. Allows car devices to be used at home or anywhere you want.
【 Wide Compatibility 】Applicable to almost all cigarette lighter plug 12V automotive electronic products with power below 120Wsuch as car refrigerators, car vacuum cleaners, car tire inflators, car air purifiers, car humidifiers, car dash cams, car DVR video recorders, etc.
【Stable and Safe】: The power converter is made of insulating materials and ABS refractory materials. Built in multiple safety protections, such as overload cut-off, over voltage cut-off, over temperature cut-off, short-circuit cut-off.
【Specifications】 Input: 100~240V 50/60Hz; Output: 12V DC, 10A 120W max; Works well with car devices that power less than or equal 120W. Please don’t use this power adapter to power devices over 120W for a long time. Otherwise, the lifespan will be greatly shortened.
【Good anti-interference】 AC TO DC Converter output interference is very small, and the output voltage is stable, which can better extend the service life of the external power supply.

Rank No. #9

RoyPow AC to DC Converter Power Supply Transformer 2A/24W AC/DC Adapter 110V/120V to 12V Car Cigarette Lighter Socket, 110V/120V to 12V Converter, Not for Pump, Inflator

【Wide Range Input】AC/DC adapter is convenient to transform 110-240V Wall Plug from AC to 12V DC current via the female cigarette lighter socket. Works great with any vehicle Electric Device which the rated power is less than 24W.
【Rated 24W Output】12V 2A output is available to power most low-power automotive electronics, such as car Dash Cam, car DVR video recorder, car MP3 player, car Bluetooth FM transmitter, car air purifier, car humidifier car telephone, automotive razor, car charger etc.
【Gentle Reminder】DO NOT power these automotive electronics: Car Refrigerator, Car Vacuum Cleaner, Air Pump, Air Compressor, Tire Inflator, Cooler & Warmer Box, Lunch Box, Coffee Mug and Mug Cup etc.
【Multi-protection Guarantee】Multiple circuit protections such as short-circuit protection, over-load protection, overcurrent protection and over-temperature protection etc.
【Compact & Portable】With 58*53*33mm minimum size, extremely portable and convenient to carry and store on the go.

SaleRank No. #10

PowerMax PM3-45Power Supply, AC to DC Converter 110/120 VAC to DC 0-12 Volt 45Amp, Battery Charger with 3 Stage Smart Charging Mode, Built-in Cooling Fan and LED Indicator Light, Lithium Compatible

HIGH QUALITY PRODUCT This PowerMax PM3 Power Supply Converter can boasts a 45-amp power capacity and it's a three-stage converter and charger that not only supplies power for your DC electronics, but it also charges your RV battery.
BEST FEATURES This power supply converter has a total dimensions measure 11"x8.5"x4.2 and this features adjustable power supply modes that allow you to customize your power supply. This also features super quiet operation because it is built with one of the quietest fans in the industry.
SAFE TO USE This converter/charger will not boil the battery. It has Intelligent way to charge and maintain your RV battery and is very easy to install so it’s a free hassle to use. 3-stage charging system built-in dramatically increases battery life for a long last usage.
NO NEED TO REWIRE With no need to re-wire, installation is only 10 minutes! It has automatic three-stage converter handles every charging need for the RV while extending the battery’s life. Well- maintained batteries should never need more than two-stage (normal and trickle) charging.
CONSTANT AND STABLE Power supply mode provides stable power to maintain system voltage for use in a wide variety of applications. Provides a constant clean power supply for using scan tools and reprogramming of ECMs without discharging battery.

Last update on 2025-06-15 / Affiliate links / Images from Amazon Product Advertising API

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Brand Value: Every brand of ac dc power converter has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an ac dc power converter?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your ac dc power converter.
Customer Ratings: Number ratings grade ac dc power converter objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their ac dc power converter.
Product Quality: You don’t always get what you pay for with an ac dc power converter, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an ac dc power converter is should be an indication of how long it will work out for you.

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FAQ:

Q: How do you convert AC to DC power?

A: The formula for converting AC voltage to DC is: AC = DC/0.636. The same formula may be used to convert DC voltage into AC voltage. AC is short for alternating current and describes an electrical charge that changes direction periodically.

Q: What is the difference between AC and DC power supplies?

A: Difference between AC and DC power supply: AC power supply changes the direction while the DC power supply has a constant direction. The transmission loss in the DC is very high while it is very less in AC. The low voltage transmission of AC is also efficient in comparison to that of DC.

Q: What changes AC to DC?

A: AC power works well at high voltages, and can be “stepped up” in voltage by a transformer more easily than direct current can. An inverter increases the DC voltage , and then changes it to alternating current before sending it out to power a device.

Q: What converts AC to DC?

A: A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction.