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The Best 120v to 12v converter of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 120v to 12v converter of 2023. Check our ranking below.

2,912 Reviews Scanned

SaleRank No. #1

AstroAI AC to DC Converter 10A/120W/7.78FT/110V to12V Converter, Car Cigarette Lighter Adapter, AC/DC Power Supply Adapter Transformer for Inflator, Car Refrigerator, and Other Car Devices

Check out our VIDEO on the left side and take a quick tour of AstroAI Converter: Universal usage 7.78ft long10A 120W AC 100-240V to DC 12V allows any 12V car accessory to be used with a household electrical outlet
SAFETY GUARANTEE: Built-in features and premium materials protect against Over Charging, Short Circuits, Over Powering, Over Current, Overheating, Over Discharge, Over Voltage
UTILITARIAN DESIGN: The AC to DC Converter integrates with Portable Air Compressors, Car Fan, Car Refrigerators and Coolers, Vacuum Cleaners, Dash Cam, Air Purifier and more
PLUG AND PLAY: Just plug the 110V to 12V Converter 10A into a power outlet and your device to quickly use your portable products wherever you may need them
PROFESSIONALLY CERTIFIED by CE, FCC, and RoHS. Attention! Not designed or intended to charge batteries.

Rank No. #2

AC to DC Converter 110V to 12V 5A 60W Car Cigarette Lighter Adapter - Wall Plug Outlet Female Socket Converter - 110/120 to 12 Volt AC/DC Adapter Power Supply

Universal Use: This AC to DC converter 12v car cigarette lighter adapter transform 110V-240V AC from Wall Plug to 12V DC car charger power cigarette lighter female socket, with a 8.8ft extended total cord length to reach a wide range.
Safe & Stability: This AC to DC converter 12v car cigarette lighter adapter manufactured with the highest quality materials and includes safeguard features against Over-load/over-voltage/short-circuit protection; offering complete protection for you and your devices.
Easy to Use: Just plug this AC to DC converter 12v car cigarette lighter adapter into any 110V-240V AC outlet, and it will ready to use for anything that has a 12v DC standard car cigarette lighter plug below 5 Amp 60 Watt.
Wide Application Range: This AC to DC converter 12v car cigarette lighter adapter powers any car cigarette lighter powered car devices, car appliances accessories and any vehicle electronic products with rated power less than 60W at home, office or hotel. SO PLEASE NOTE this 12V converter CAN'T OPERATE ON your devices if the rated power is bigger than 60W or rated current is bigger than 5A.
What You Get: 1x AC to DC converter 12v car cigarette lighter adapter.

SaleRank No. #3

ALITOVE AC to DC Converter 100V ~ 240V to 12V 10A 120W Power Supply Adapter Car Cigarette Lighter Socket 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. #4

30W 12 Volt LED Power Supply, Waterproof IP67 LED Driver, 110V AC to 12V DC Converter, LED Transformer Low Voltage Output with 3-Prong Plug 3.3 Feet Cable for LED Light Strip, 2.5Amp

【Input & Output】90-265VAC 50/60HZ input, with 12VDC 2.5A 30W output. The 3 conductor AC input wire 3.3feet with 3-Prong plug and 2 conductor DC output wire.
【Widely Applications】Waterproof IP67 rated LED driver is intended for indoor and outdoor damp or wet locations, non-submersible. That can be used to power 12VDC constant voltage LED strip light, LED modules, RGB LED lights and other 12VDC LED landscape lighting projects.
【Security】Five protections: overload, over-voltage, over-temperature, over-current, short circuit. Protection type: Hiccup mode, auto-recovery after fault condition is removed.
【Stability】Aluminum housing, great for heat dissipation and ensure stability.
【Warm Tips】Please be kindly informed that to select a power supply at least 20% larger than the LED light strips' rated power. A big transformer does not harm the LED strip but good for safety.

SaleRank No. #5

DC 12V LED Power Supply Driver Transformer - Lustaled 15W Waterproof IP67 120VAC to 12V DC Converter Constant Voltage LED Switching Power Supply for LED Strip Lights, G4 MR11 MR16 LED Display (2-Pack)

[DC 12V LED Power Supply]: Mini size 15W LED driver transformer, Input: AC100-265V, Output: DC 12V; Size: 2.59*1.18*0.78 inches.
[Wide Application]: Our 15W LED power supply driver is suitable for most of devices with DC12V such as CCTV, Illuminated Module Signboard, Cabinet Lights, LED Strip Lights, LED Display, LED Module, Indoor/Outdoor Deck Lights, Indoor Stair Step Lights, LED Light Bulbs like G4, MR11, MR16 LED bulbs.
[Good Heat Dissipation]: LED 12V transformer is made of aluminum, easy for heat dissipation and ensure stability. 100% Waterproof IP67 protect for outdoor use;
[Safer Design]: This DC 12V LED driver is flicker-free output, thermal overload, over current, over voltage and short circuit protection built in; No noise isolation protection safety;
[Note]: Please confirm whether the input voltage (AC100-265V) can work in your place before purchase the 12V switching converter, please make sure the power is lower than or equal to the rated power supply, otherwise it may burn.

Rank No. #6

ALITOVE AC to DC Converter 12V 2A 24W Power Supply 110V to 12V Converter AC/DC Adapter with Car Cigarette Lighter Socket 100~240V AC In for Car Shaver MP3/MP4 player Car Dash Cam Bluetooth Transmitter

【 WARNING!!! 】DON'T use it to power these automotive electronics: car refrigerator, car vacuum cleaner, air pump, air compressor, tire inflator, cooler & warmer box, lunch box, coffee mug etc! It only works with electronics UNDER 2A 24W. Please carefully check your devices' power rating before buy.
【 Wide Compatibility 】 Works with low-power automotive electronics under 24W, such as car GPS system, car shaver, car fan, car air purifier, car MP3/MP4 player, car dash cam, car DVR video recorder, car Bluetooth FM transmitter, car humidifier, car telephone, automotive razor, car shaver etc.
【 Specifications 】 Input: 100~240V 50/60Hz; output: 12V DC, 2A 24W max; Works well with car devices that draws less than 2A, such as 1A, 1.5A, 2A. Please don’t overload this power adapter over 24W for a long time. Otherwise, the lifespan will be greatly shortened.
【 Multiple Safety Protections 】 Designed with safety in mind. Built in automatic over voltage protection, over current protection, over temperature protection and short circuit protection. Nothing is more important than security. Just plug it into AC outlet, get your car devices used at home now!

Rank No. #7

LLTOP Low Voltage Transformer 200 Watts Waterproof IP67 Power Supply 90-130V AC to 12V DC 16.7A LED Driver Converter Power Adapter for Indoor Outdoor LED Lights

[Low voltage Transformer]: Constant voltage power supply input: AC90-130V 50/60Hz Output: DC12v, 16.7A, 200w, 3.3 feet input cord with US standard 3-prong plug
[Multi safety Protections of led power supply]: Automatic safety protection for short circuit, overload, over voltage, over current, over temperature
[Waterproof and Ultra Slim]:100% waterproof IP67, size of 8.5x2.67x1.5 inches suitable for multi scene
[Wide Range of Applications]: Converts 110V/120V AC to 12V DC, widely use for led strip lights, led landscape lighting, pool lights, outdoor led signs, modules
[Durable Material]: Aluminum alloy housing easy for heat dissipation, waterproof glue full filled inside to protect components operation stability

Rank No. #8

Cellet AC to DC Adapter Convert 120V/110V to 12V AC/DC Power Converter Car Cigarette Lighter Socket {Maximum Power Rating 3Amp (3000mA)} (Not for Air Compressor, Air Pump, Vacuum)

Not recommended for Air compressor, tire inflator, airbed inflator, heated blankets, 12volt car vacuums; Please check your rating before use. Not recommended for heavy duty use. Please verify power compatibility
Plugs into standard 110/120V AC wall outlet.
Power your DC (plug-in car) cigarette lighter charger by converting to AC power
UNIVERSALLY compatible- Suitable for mobile phones, GPS systems, Car charger and other small appliances
Converting 100V 110V 120V to 12V Power, it provides an output of 3 Amp (3000mA) which extends the convenience of your 12V car chargers.

Rank No. #9

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.)

Rank No. #10

RoyPow AC to DC Converter Power Supply Transformer 2A/24W AC/DC Adapter 110V/120V to 12V Car Cigarette Lighter Socket, 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.

Rank No. #11

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. #12

SMPS 110V AC to 12V DC Converter Power Supply Adapter Switch Transformer Max 50A 600W (New Version)

Dual input voltage: AC 110V-120V / 220V-240V.Wide voltage input adjusted automatically to SMPS Model (12V 1A-5A, 12W-60W). As for Model (12V 10A-60A 120W-600W), there is a voltage selector switch located on the side of the switcher is used to set the input voltage to the power supply to either 110V/120V or 220V/230V.Output current depends on the decive, such like 10A 120W, 20A 240W, 30A 360W,and the max current is 50A,power 600W.
How to choose: The peak power is 50A,600W. It does not mean it can fit rate power 600W. For motor device, the start current will be much higher that rate power. If use resistive equipment , such like led strips, you can use higher power, such like 40A rated leds will also be OK.
Safe and Stable,Long Service Life:Switching power supply has over/under voltage, over current, over heat protection and fan heat dissipation protection functions.Light and Portable,Easy to Operate: Net weight only 1.2 Kg. Super convenient for devices with clamps. You can clamp to the two cylindrical contacts directly. It is a patent design.
Make It Easy : Open circuit on the head, compared with other closed circuits, is easier to use, convenient to meet the wiring needs of various equipment, and more conducive to rebuilding needs. Never pay for useless design.
Protect: Over/under voltage protection, over current protection, over heat protection.package includes: converter, user manual ,1 year warranty , Notice: does not include battery clips and inverter cables. Dial to the correct gear position, cut off the power before disassembling the connection. Perfect choice to power led strips, car stereos, CCTV camera,and other 12V powered systems.

Rank No. #13

New Version AC DC Converter 360W with Switch, EAGWELL SMPS 110V AC to 12V DC Converter Power Supply Adjustable Switch Power Supply Transformer Max 30A 360W

【NEW VERSION AC TO DC CONVERTER】New Upgrade 360w converter build with Imported Aluminum alloy shell ,Built-in wire integrated design, Dual power connection methods, Very convenient for 12V devices with clamps, Eagwell's 30 amp power supply come with ul power cord ,wire lugs,metal clip and screw.Super convenient for devices with clamps. You can clamp to the two cylindrical contacts directly. It is a patent design of 12v dc power converter.
【ADJUSTABLE VOLTAGE】12 Volt Power Supply is AC to DC 12V Converter.Input voltage Support AC 110V-120V / 220V-240V , Output Range (12V 1A-5A, 12W-60W ) or (12V 10A-30A 120W-360W) ,voltage input will adjust automatically to SMPS Model ,Output current Mainly depends on your device, such as 5A 60W ,10A 120W, 25A 300W, Max current up to 30A,Power 360W.
【HOW TO CHOOSE】The peak power is 30A,360W. It does not mean 12v power supply can fit rate power 360W. For motor device, the start current will be much higher that rate power. If use restrictive equipment , such like led strips, you can use higher power, such like 20A rated leds will also be OK.
【SMART COOLING SYSTEM】360W Power Converters Aluminum Shell are designed with many heat dissipation holes, Built-in Cooling fan and dust-proof net, which effectively prevent dust from entering, ensure the stable rotation of the electric fan and prevent the circuit board from burning ; moreover, anti-skid pads are added to the bottom in this 110v to 12v converter, which can also make the bottom better heat dissipation and work more stable, Converter Working Temperature Range : 14℉-140℉
【SAFE & STABLE,LONG SERVICE LIFE】AC to DC Converter 12V come with overload ,over voltage protection,Leakage protection and short circuit protection function.All copper nickel-plated terminal material, which has good electrical conductivity and high conversion efficiency , corrosion resistance,aging resistant, power converter free from time and space constraints. Eagwell's 360w converter power supply, power cord and plug all have passed UL,CE,RoHS Certifications

Rank No. #14

Converters 120VAC shore power into usable 12VDC power
Capable of charging your RV's battery while also powering low voltage lights and appliances
Available in several capacities: 35-amp, 45-amp, 55-amp, 60-amp, 75-amp, and 100-amp.
Works with both lead batteries and lithium batteries

Rank No. #15

Makergroup 12V LED Power Supply Driver, IP67 Waterproof Constant Voltage Transformer, 120VAC to 12V DC Converter for LED Strip Lights Cabinet Lights and G4, MR11, MR16 Light Bulbs 15W 1-Pack

12V LED Power Supply Driver. IP67 Waterproof Constant Voltage Transformer. 120VAC to 12V DC Converter. A solidly built, well made LED transformer. It is great for interior and exterior lights. Widely used for LED strip lights, cabinet lights, Puck Lights, G4,MR11,MR16 led light bulbs and any 12V DC led lights that is lower than 15W.
Great Security Low Voltage LED Transformer. Low-voltage design, over-voltage, over-current, over-temperature protection and short-circuit protection.
Small Size and Easy Installation. The small size LED driver is flexible to be used universal applications. What's more, the prewired transformer is easy to do the connection. The input and output are showed on the label of the product. Input: 100-240V AC 50/60Hz, Output: 12V 1.25A, 15 Watts
100% Satisfaction Guarantee. 30-Day Money back guarantee and 1 Year Hassle-Free Warranty. If you meet any problem, please feel free to write us an email, we would make it right for you quickly.
Tips. 1. Don't connect this led power supply to the devices that are higher than 12V or over than 15W. 2. On some circuits, there might be a short delay when the power is turned on.

SaleRank No. #16

AGPtEK Voltage Converter Transformer 110/120V to AC 12V/5A, 60-Watt Waterproof Power Supply Converter for Swimming Pool Light, Water Pump, Outdoor Light, Spotlights

✅ Step Down Voltage Transformer Converter -- This voltage transformer converts 12 Volt AC product into a 110/120 Volt AC plug.
✅ Technical Information -- The wattage of this voltage converter is 60W. Input 100-120 V AC, Output 12v AC – 5 A.
✅ Special Design -- This 110 to 12 volt converter is small and compact, easy to install. This power voltage converter is totally waterproof.
✅ Wide Application -- This ac voltage transformer is ideal for the use with swimming pool light, water pump, Outdoor light, coolers, spotlights, atomizer, fans and more.
✅ NOTE: The output of this transformer is AC, NOT DC!!!

SaleRank No. #17

RoyPow AC to DC Converter, 120W(Max 150W) 120V/110V to 12V/10A Cigarette Lighter Socket AC/DC Adapter Power Supply for Inflator, Car Refrigerator, Car Vacuum Cleaner

【12V Universal Use】: Used to convert any 100V~120V AC household current to 12V DC power; The unique female cigar lighter socket is beneficial to allow many vehicle electronics to be used at home or in other environments. Cigarette lighter to wall outlet adapter.
【High Power Rating】: Heavy-duty 120W rated power and 150W max power are available to power almost all of the common vehicle electronics, such as air compressor, car tire inflator, car diffuser, car oxygen bar, automotive refrigerator, car TV, car cleaner, automotive razor and vehicle power amplifier etc.
【Air-cooling Design】: Compact and portable, easy to carry and store; Built-in cooling fan avoids overheat, makes it reliable to continue working all the time.
【Safety Guarantee】: CE & FCC & RoHS approved; Exclusive multi-protection circuit system protects the personal and property from any potential damage hazard. 110v to 12v cigarette lighter adapter.
【Warranty Statement】: We back it with an 3-year warranty and provide friendly, easy-to-reach free Lifetime Technical Support also.

Rank No. #18

【2023 Upgraded】 SUPERONE 150W Car Power Inverter DC 12V to 110V/120V AC Car to Outlet Adapter with PD 20W USB C & QC3.0 Fast Charge Car Power Adapter

[Fast-Charging Version] SUPERONE is committed to hearing your feedback on the previous generation of 150W car to outlet adapter, including no USB-C port, slow to charge phones, noisy cooling fan and get hot easily. We always put customer experience first. Now, we have solved the problems above and brought you a brand new power inverter with faster 20W PD & QC3.0 ports, more silent cooling fan, and higher power convert efficiency. Now you can choose the inverter with confidence.
Higher Efficiency DC 12V to 120V Converter: Premium car AC adapter provides 150 Watts continuous DC to AC power. And, we increased the power conversion efficiency from 85% to 90%! Greatly reduce the heat emission. Excellent for charging iPad, laptop, breast pump, string lights, game console, kindle, TV, DVD players and other electronic devices.
Faster USB Charging: Both the 20W PD USB-C port and 18W Quick Charge 3.0 USB-A port allow users to simultaneously charge multiple devices at full speed with a max output of total 6A/38W. Perfect for Android and iOS devices!
Credit Card Size: Ultra compact and lightweight, only 3.2 x 2.5 x 1.5 inches, 8 oz+. Space-saving and easy storage. 18.8 inch power cord makes it easy for friends in the backseat to grab a charge for their devices.
𝐒𝐢𝐥𝐞𝐧𝐭 𝐂𝐨𝐨𝐥𝐢𝐧𝐠 𝐅𝐚𝐧 & LED Indicator: SUPEORNE outlet car adapter adopts quieter cooling fan which makes the 150W inverter silent when operating. It runs faster when the inverter gets warmer. LED indicator shows the working status: Green-operation, Red-shutdown.

SaleRank No. #19

IMAYCC 600W SMPS AC to DC Converter 12V Power Supply 110V to 12V Converter Transformer Max Current 50A

【New Version Converter】AC to DC converter build with aluminum alloy shell, built-in wire integrated design, dual power connection methods, very convenient for 12V devices with clamps, all copper nickel-plated terminal material, which has good electrical conductivity and high conversion efficiency.
【Dual Input Voltage】Input voltage support AC 110V-120V and 220V-240V. Output range (12V, 1A-5A/12W-60W ) or (12V, 10A-50A/120W-600W). Voltage input will adjust automatically to SMPS model, Output current mainly depends on your device, such as 10A/120W, 20A/240W, 30A/360W. Max current up to 50A, Power 600W.
【Smart Cooling System】Item Shell are designed with many heat dissipation holes, built-in cooling fan and dust-proof net, which effectively prevent dust from entering, ensure the stable rotation of the electric fan and prevent the circuit board from burning; moreover, anti-skid pads are added to the bottom, which can also make the bottom better heat dissipation and work more stable.
【Safe and Reliable】This 12V power supply carry overload, overvoltage, Leakage and short circuit protection function, compare with others , IMAYCC 12V power converter power cord and plug all have passed UL/CE/RoHS certifications, have a more longer service life. Support 1 month return, 1 year warranty, please contact us if you have any questions.
【Wide Application】It widely used in industrial automation equipment, radio, broadcasting, LED display, LED strip light, CCTV camera system , 3D printer, car stereos, PCP compressor and more 12V device.

Rank No. #20

ALITOVE AC to DC Converter 110V to 12V Converter 30A 360W AC to DC Adapter Car Cigarette Lighter Socket 100V~120V AC to DC 12 Volt Power Supply 11ft Long Cord for Car Refrigerator Air Compressor

【 Specifications 】 Input: 100~120V 50/60Hz; output: 12V DC, 30A 360W max; Works well with car devices that draws less than 30A, such as 5A, 10A, 12A, 15A, 20A, 22A, 25A, 28A, 30A. Please don’t overload this power adapter over 360W for a long time. Otherwise, the lifespan will be greatly shortened. 11ft power cord to reach a wide range.
【 Multiple Safety Protections 】 Built in automatic over voltage protection, over current protection, over temperature protection and short circuit protection. When the load is above 400W, it will stop working and beep. When load is lower than 360W, it will work again. When load is above 660W, the built-in fuse will blow and the power converter will be permanently damaged.
【 Wide Compatibility 】Works with almost all 12V under 360W automotive electronics with cigarette lighter plug, such as air compressor, car tire inflator, coffee maker, car oxygen bar, refrigerator, car TV, car cleaner, car dash cam, car DVR video recorder, car MP3 player, car Bluetooth FM transmitter, car massage cushion, car air fan, etc.
【 Work Quietly, Low-heat Running 】 Built-in a smart silent cooling fan. When the current reaches 8A or higher, the fan will rotate to dissipate heat. This will effectively guarantee continuous working in silence, avoid running overheat and greatly extend its service life.
【 What you will get 】1x 12V 30A 360W power supply. 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.

Last update on 2023-08-05 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Specifications: How powerful they are can be measured.
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FAQ:

Q: What does 120 volt VAC mean?

A: VAC is an electrical voltage in an alternating current circuit. The power system supplying homes and businesses in the United States uses AC 120 V, while in Europe the system uses AC 240 V. This means that in the United States, the power available at a wall outlet is 120-volt, 60-cycle AC power.

Q: Can you use a 220 Volt in 110 volt?

A: 220v and 110v systems are compatible, they just need a voltage converter. While most of the world uses 220-volt electricity, the United States uses a combination of 220v and 110v appliances. The lower 110v wiring is used for most standard appliances and devices, such as computers, TVs and table lamps.

Q: What is a 12 volt adapter?

A: The 12 Volt Power Adapter, also known as a “Brick”, “Desk Wart” and “Floor” supply, provide a regulated 12 Volts DC output. A 12 Volt Adapter Power Supply is enclosed in a plastic protective case that comes with either an attached AC cord, or a mating socket for one of the 3 common IEC cordsets.

Q: What is a DC transformer?

A: There is no such thing as a DC transformer. Transformers are electrical components designed to do one of three things: decouple one circuit from another, increase voltage from one value to a higher potential, or decrease voltage to a lower potential. Transformers operate on alternating current only.