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Today's Deals
Best 12 Volt Transformer From 240 Volts of 2026
Last updated on 25/04/2026
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1
RoyPow AC 110V-240V to DC 12V Transformer 10A Mains to Adapter 120W (Max 150W) Power Supply Cigarette Lighter Voltage Converter for Car Vacuum Cleaner Refrigerator Tire Inflator Car Devices
RoyPow
Why we love it
Transforms household current to DC.
Powerful and versatile usage.
Compact, portable, unparalleled safety.
Main Highlights
Used to convert any 200V~240V 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.
Heavy-duty 120W rated power and 150W max power are available to power almost all of the common vehicle electronics, such as air compressor, portable cooler/warmers, car tire inflator, car diffuser, car oxygen bar, automotive refrigerator, car TV, car cleaner, automotive razor and vehicle power amplifier and other DC appliances.
Built-in cooling fan avoids overheat, makes it reliable to continue working all the time.
Exclusive multi-protection circuit system protects the personal and property from any potential damage hazard.
Compact and portable, easy to carry and store.
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9.7
Exceptional
Check Price
9.7
Exceptional
RoyPow
RoyPow AC 110V-240V to DC 12V Transformer 10A Mains to Adapter 120W (Max 150W) Power Supply Cigarette Lighter Voltage Converter for Car Vacuum Cleaner Refrigerator Tire Inflator Car Devices
Check Price
Show More
Why we love it
Transforms household current to DC.
Powerful and versatile usage.
Compact, portable, unparalleled safety.
Main Highlights
Used to convert any 200V~240V 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.
Heavy-duty 120W rated power and 150W max power are available to power almost all of the common vehicle electronics, such as air compressor, portable cooler/warmers, car tire inflator, car diffuser, car oxygen bar, automotive refrigerator, car TV, car cleaner, automotive razor and vehicle power amplifier and other DC appliances.
Built-in cooling fan avoids overheat, makes it reliable to continue working all the time.
Exclusive multi-protection circuit system protects the personal and property from any potential damage hazard.
Compact and portable, easy to carry and store.
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Value for Money
2
AUCARAUTO 110-240V to 12V Cigarette Lighter Socket, 10A/120W/2.65M Mains to 12V Plug Adapter AC/DC Car Power Supply Adapter, AC to DC Converter Transformer for Car Powered Device (C10)
AUCARAUTO
Why we love it
Versatile 12V DC power source.
Compact, efficient outdoor solution.
Offers safe, reliable usage.
Main Highlights
【Wide Application】 AUCARAUTO 12V 10A 120W Power Supply Transformer can convert 110V~240V AC household current into 12V DC power supply, offering a reliable and versatile power source for Car Tire Inflator; Car Refrigerator; Car TV; Car Cleaner etc
【Compact and Efficient】 With 10A output, standard UK 3-pins plug and 2.65M cable. Perfect for road trips and outdoor adventures
【Easy to Use】 Designed with car cigarette lighter socket, just Plug and Play. Plug 12v power supply car socket adapter into any power outlet at home, you can use any electronic equipment that has cigarette lighter plug
【Safe and Reliable】The voltage converter has passed strict quality control and safety certification, with Overload Protection, Short-circuit Protection and Overheating Protection and more to ensure the safe use of your automotive equipment and vehicles
【Perfect 2.65M Length】The perfect length of this AC/DC converter cable is 2.65M, which can expand the scenarios in your daily life
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9.5
Superb
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9.5
Superb
AUCARAUTO
AUCARAUTO 110-240V to 12V Cigarette Lighter Socket, 10A/120W/2.65M Mains to 12V Plug Adapter AC/DC Car Power Supply Adapter, AC to DC Converter Transformer for Car Powered Device (C10)
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Show More
Why we love it
Versatile 12V DC power source.
Compact, efficient outdoor solution.
Offers safe, reliable usage.
Main Highlights
【Wide Application】 AUCARAUTO 12V 10A 120W Power Supply Transformer can convert 110V~240V AC household current into 12V DC power supply, offering a reliable and versatile power source for Car Tire Inflator; Car Refrigerator; Car TV; Car Cleaner etc
【Compact and Efficient】 With 10A output, standard UK 3-pins plug and 2.65M cable. Perfect for road trips and outdoor adventures
【Easy to Use】 Designed with car cigarette lighter socket, just Plug and Play. Plug 12v power supply car socket adapter into any power outlet at home, you can use any electronic equipment that has cigarette lighter plug
【Safe and Reliable】The voltage converter has passed strict quality control and safety certification, with Overload Protection, Short-circuit Protection and Overheating Protection and more to ensure the safe use of your automotive equipment and vehicles
【Perfect 2.65M Length】The perfect length of this AC/DC converter cable is 2.65M, which can expand the scenarios in your daily life
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3
240V to 12V Power Converter Adapter, Diesel Air Heater Power Supply Adapter, AC-to-DC Transformer for 5KW/8KW All-in-One Diesel Parking Heater,Suitable for Indoor Use in RVs, Caravans
xinrongda
Why we love it
Easy installation indoors.
Stable power output.
No battery required.
Main Highlights
【Efficient Power Supply for Diesel Heaters】This 240V to 12V power converter Easily connect your 12V diesel heater to household electricity. Perfect for use in caravans, RVs, garages, or workshops without relying on a vehicle battery.
【Easy Installation 】 Simply the power converter into any standard household outlet, and it is ready to power your diesel heater, making setup a breeze for users of all skill levels.
【Stable Output Power】With a voltage converter of 220–240 V and an output voltage of 11–13 V at up to 16 A, this voltage converter delivers a stable output of 200 W, ensuring smooth operation of your heater without voltage drops or interruptions
【Built-in Safety Mechanisms】240V to 12V Power Converter Adapter made from robust and durable materials for long-lasting performance, with multiple protections against overvoltage, short circuits and internal overheating to ensure safe operation
【Versatile & Convenient Use】Ideal for powering your diesel heater indoors, in workshops, this converter eliminates the need for an external battery, making it perfect for caravans, mobile homes, and garages. Simply plug it into any standard electrical outlet to power your heater.Lightweight and easy to store, saving space and avoiding clutter
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9.4
Superb
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9.4
Superb
xinrongda
240V to 12V Power Converter Adapter, Diesel Air Heater Power Supply Adapter, AC-to-DC Transformer for 5KW/8KW All-in-One Diesel Parking Heater,Suitable for Indoor Use in RVs, Caravans
Check Price
Show More
Why we love it
Easy installation indoors.
Stable power output.
No battery required.
Main Highlights
【Efficient Power Supply for Diesel Heaters】This 240V to 12V power converter Easily connect your 12V diesel heater to household electricity. Perfect for use in caravans, RVs, garages, or workshops without relying on a vehicle battery.
【Easy Installation 】 Simply the power converter into any standard household outlet, and it is ready to power your diesel heater, making setup a breeze for users of all skill levels.
【Stable Output Power】With a voltage converter of 220–240 V and an output voltage of 11–13 V at up to 16 A, this voltage converter delivers a stable output of 200 W, ensuring smooth operation of your heater without voltage drops or interruptions
【Built-in Safety Mechanisms】240V to 12V Power Converter Adapter made from robust and durable materials for long-lasting performance, with multiple protections against overvoltage, short circuits and internal overheating to ensure safe operation
【Versatile & Convenient Use】Ideal for powering your diesel heater indoors, in workshops, this converter eliminates the need for an external battery, making it perfect for caravans, mobile homes, and garages. Simply plug it into any standard electrical outlet to power your heater.Lightweight and easy to store, saving space and avoiding clutter
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4
Diesel Heater 12v Power Supply Adapter, 240 V to 12 V AC/DC Transformer Power Converter for 5 kW 8 kW All-in-One Diesel Air Heater in Trucks, Lorries, Caravan, Motorhome
WMYYLX
Why we love it
Reliable power for diesel heaters.
Compatible with various vehicles.
Safe and durable protection features.
Main Highlights
【Stable Power Supply】: Reliable 240V to 12V DC converter designed for powering 5KW & 8KW all-in-one diesel air heaters.
【Widely Applicable】: Works perfectly with most diesel parking heaters, including 5KW and 8KW all-in-one models. For example: trucks, vans and vans, caravans, motorhomes.
【Safe & Durable】: Built with short-circuit, overload, and over-voltage protection to keep your equipment safe and extend.
【Wide Voltage Range】: Supports input from AC 110V–245V, suitable for UK mains. Output rated at 12V 25A for stable.
【Portable & Easy to Use】: Simple plug-and-play design, lightweight yet sturdy — ideal for Trucks, Lorries & Vans.
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9.3
Superb
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9.3
Superb
WMYYLX
Diesel Heater 12v Power Supply Adapter, 240 V to 12 V AC/DC Transformer Power Converter for 5 kW 8 kW All-in-One Diesel Air Heater in Trucks, Lorries, Caravan, Motorhome
Check Price
Show More
Why we love it
Reliable power for diesel heaters.
Compatible with various vehicles.
Safe and durable protection features.
Main Highlights
【Stable Power Supply】: Reliable 240V to 12V DC converter designed for powering 5KW & 8KW all-in-one diesel air heaters.
【Widely Applicable】: Works perfectly with most diesel parking heaters, including 5KW and 8KW all-in-one models. For example: trucks, vans and vans, caravans, motorhomes.
【Safe & Durable】: Built with short-circuit, overload, and over-voltage protection to keep your equipment safe and extend.
【Wide Voltage Range】: Supports input from AC 110V–245V, suitable for UK mains. Output rated at 12V 25A for stable.
【Portable & Easy to Use】: Simple plug-and-play design, lightweight yet sturdy — ideal for Trucks, Lorries & Vans.
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5
240V AC to 12V DC Power Converter Adapter – High-Efficiency Power Supply Transformer Specially Designed for 5KW/8KW Diesel Parking Air Heaters
ISINEVER
6% Off
Why we love it
Easy plug-and-play power.
Works with 5KW/8KW heaters.
Reliable with built-in protections.
Main Highlights
【Plug-and-Play Operation】Connect the converter to a standard outlet, and it instantly powers your diesel heater. The user-friendly design ensures a hassle-free setup for everyone.
【Ideal for 5KW/8KW Heaters】Seamlessly powers your diesel air heater using standard household electricity. Perfect for versatile use in RVs, caravans, garages, workshops, and more.
【Reliable & Secure】Built with rugged durability, the converter includes built-in protections for over-voltage, short circuits, and overheating, providing safe and worry-free power conversion.
【Consistent Heating Power】Whether you're off-grid or indoors, count on this converter for non-stop, stable heating. It provides the reliable performance you need to stay warm without worrying about power cuts.
【Compact & Easy to Carry】Designed for ultimate portability, this unit is lightweight and simple to store. It offers a convenient heating solution for use at home, in the office, or during travel.
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9.2
Superb
Check Price
9.2
Superb
ISINEVER
240V AC to 12V DC Power Converter Adapter – High-Efficiency Power Supply Transformer Specially Designed for 5KW/8KW Diesel Parking Air Heaters
6% Off
Check Price
Show More
Why we love it
Easy plug-and-play power.
Works with 5KW/8KW heaters.
Reliable with built-in protections.
Main Highlights
【Plug-and-Play Operation】Connect the converter to a standard outlet, and it instantly powers your diesel heater. The user-friendly design ensures a hassle-free setup for everyone.
【Ideal for 5KW/8KW Heaters】Seamlessly powers your diesel air heater using standard household electricity. Perfect for versatile use in RVs, caravans, garages, workshops, and more.
【Reliable & Secure】Built with rugged durability, the converter includes built-in protections for over-voltage, short circuits, and overheating, providing safe and worry-free power conversion.
【Consistent Heating Power】Whether you're off-grid or indoors, count on this converter for non-stop, stable heating. It provides the reliable performance you need to stay warm without worrying about power cuts.
【Compact & Easy to Carry】Designed for ultimate portability, this unit is lightweight and simple to store. It offers a convenient heating solution for use at home, in the office, or during travel.
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6
AC to DC 120W Power Transformer – 240V to 12V 10A with UK Plug for Portable Fridges Tyre Inflators Cool Boxes Caravans & 12V Power Tools
Amacam
Why we love it
Durable and universally applicable transformer.
Robust with overcurrent protection.
Convenient for portable appliances.
Main Highlights
Amacam: Converts your UK mains socket to a stable 12V DC supply powering cool boxes portable fridges tyre inflators dash cams and 12V tools without needing your vehicle engine running.
Heavy-Duty UK Safety: Features a BS1363 fused UK plug and 1.2m cable with 1.0mm² wiring significantly thicker and safer than standard adapters.
Complete Electronic Protection: Built-in safeguards against over-current over-voltage short-circuit and overload to keep both the transformer and your devices safe.
Plug-and-Play Simplicity: 1m output cable with a standard cigarette lighter socket ready to use instantly with any 12V accessory.
Versatile for Home Travel & Trade: Wide 100–240V input range handles real-world voltage fluctuations ideal for caravans campervans workshops food trucks marine and construction sites.
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9.1
Superb
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9.1
Superb
Amacam
AC to DC 120W Power Transformer – 240V to 12V 10A with UK Plug for Portable Fridges Tyre Inflators Cool Boxes Caravans & 12V Power Tools
Check Price
Show More
Why we love it
Durable and universally applicable transformer.
Robust with overcurrent protection.
Convenient for portable appliances.
Main Highlights
Amacam: Converts your UK mains socket to a stable 12V DC supply powering cool boxes portable fridges tyre inflators dash cams and 12V tools without needing your vehicle engine running.
Heavy-Duty UK Safety: Features a BS1363 fused UK plug and 1.2m cable with 1.0mm² wiring significantly thicker and safer than standard adapters.
Complete Electronic Protection: Built-in safeguards against over-current over-voltage short-circuit and overload to keep both the transformer and your devices safe.
Plug-and-Play Simplicity: 1m output cable with a standard cigarette lighter socket ready to use instantly with any 12V accessory.
Versatile for Home Travel & Trade: Wide 100–240V input range handles real-world voltage fluctuations ideal for caravans campervans workshops food trucks marine and construction sites.
Show More
7
Mains Voltage to 12V Converter-AC 240V to DC 12V Transformer with Female Inline Socket Connector Suitable for Cool Boxes Tyre Inflators Vacuum Cleaners and Other Portable Equipment Durable Power Lead.
MRTOYIRQ
Why we love it
Durable and reliable transformer.
Versatile for multiple appliances.
Overcurrent protection included.
Main Highlights
Durable Universal AC to DC Transformer
Robust Mains UK Fused Plug and 1.2M Lead
Multiple Usage for Portable 12V Appliances 120W
Output Cable 1.0 Metre Durable Quality Cable Auxiliary Socket
Input AC 100-240V - Output 12V 8A Overcurrent Protection
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9.0
Superb
Check Price
9.0
Superb
MRTOYIRQ
Mains Voltage to 12V Converter-AC 240V to DC 12V Transformer with Female Inline Socket Connector Suitable for Cool Boxes Tyre Inflators Vacuum Cleaners and Other Portable Equipment Durable Power Lead.
Check Price
Show More
Why we love it
Durable and reliable transformer.
Versatile for multiple appliances.
Overcurrent protection included.
Main Highlights
Durable Universal AC to DC Transformer
Robust Mains UK Fused Plug and 1.2M Lead
Multiple Usage for Portable 12V Appliances 120W
Output Cable 1.0 Metre Durable Quality Cable Auxiliary Socket
Input AC 100-240V - Output 12V 8A Overcurrent Protection
Show More
8
240V to 12V Transformer, BRIMETI LED Driver 12V 200W LED Transformer AC 240V to DC 12 Volt 16,64A Ultra Slim Power Supply Constant Low Voltage Switching, Adapter for Strip Light Cabinet Lights
BRIMETI
Why we love it
Extends power supply lifespan.
Enhanced safety features included.
Versatile for various applications.
Main Highlights
【 Please Note 】 NOT dimmable! led driver 12v AC Input 240 Volt, 50 Hz, constant voltage DC output: 12V, output current: 16.6 Ampere. Maximum load: 200 watts. Dimensions: 5 * 2.4 * 17.8 cm.
【Good Heat Dissipation】The ultra-thin aluminium case with honeycomb heat sink holes facilitates heat dissipation, led dc 12v transformer can prolong the lifespan of the power supply. Slim in size, big on performance. With a thickness of only 23mm, minimal installation spaces are required and easy to hide.
【Multiple Safety】12V light transformer has an internal circuitry that is dependable which provides protection over overvoltage, overheat, overcurrent, and short circuit so load doesnt damage PSU. There is no interference, no minimum load, no flicker, and no noise.
【Extremely Versatile】240V to 12v transformer power supply can be positioned in a ventilated dry location or hung on the wall. Excellent for cabinet led, wardrobe lights, garden lights. Low-voltage design widely used in led light strip and other led lamps.
【 Warranty 】 240V to 12v driver is easy installation with simple parallel wiring. Input and output terminals are in isolation and clearly marked making electrical connections easy and operation safe. any problems, please do not hesitate to contact us, we will provide you with the satisfied solution.
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9.0
Superb
Check Price
9.0
Superb
BRIMETI
240V to 12V Transformer, BRIMETI LED Driver 12V 200W LED Transformer AC 240V to DC 12 Volt 16,64A Ultra Slim Power Supply Constant Low Voltage Switching, Adapter for Strip Light Cabinet Lights
Check Price
Show More
Why we love it
Extends power supply lifespan.
Enhanced safety features included.
Versatile for various applications.
Main Highlights
【 Please Note 】 NOT dimmable! led driver 12v AC Input 240 Volt, 50 Hz, constant voltage DC output: 12V, output current: 16.6 Ampere. Maximum load: 200 watts. Dimensions: 5 * 2.4 * 17.8 cm.
【Good Heat Dissipation】The ultra-thin aluminium case with honeycomb heat sink holes facilitates heat dissipation, led dc 12v transformer can prolong the lifespan of the power supply. Slim in size, big on performance. With a thickness of only 23mm, minimal installation spaces are required and easy to hide.
【Multiple Safety】12V light transformer has an internal circuitry that is dependable which provides protection over overvoltage, overheat, overcurrent, and short circuit so load doesnt damage PSU. There is no interference, no minimum load, no flicker, and no noise.
【Extremely Versatile】240V to 12v transformer power supply can be positioned in a ventilated dry location or hung on the wall. Excellent for cabinet led, wardrobe lights, garden lights. Low-voltage design widely used in led light strip and other led lamps.
【 Warranty 】 240V to 12v driver is easy installation with simple parallel wiring. Input and output terminals are in isolation and clearly marked making electrical connections easy and operation safe. any problems, please do not hesitate to contact us, we will provide you with the satisfied solution.
Show More
9
Boxlood LED Driver Transformer 240V - 12V with Bi-Pi Base MR16 Socket, DC 12V 0.6A Max 7W, Non-Dimmable, for 12V LED Lights, GU5.3 MR16 LED Bulbs, G4 LED, MR11 LED, 3 Pack
Boxlood
Why we love it
Safe and reliable performance.
No interference with electronics.
Includes three LED drivers.
Main Highlights
Boxlood LED Driver Input Voltage: AC 85-265V 47-63Hz 0.2A
Boxlood LED Driver Output Voltage: DC 12V 0.6A (MAX power 7 watts, not dimmable)
This LED transformer is suitable for 12V LED lights: MR16, G4, MR11, safe and reliable, Zero Interference with Dab radio and Wifi
Each LED transformer equipped with 1 Bi-Pi base socket, unnecessary to install extra socket, 1 package includes 3 units led driver
NOTE: This LED transformer can withstand maximum 7 watts output, please do not exceed the power, or else it will lead the LED lights work unproperly
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9.0
Superb
Check Price
9.0
Superb
Boxlood
Boxlood LED Driver Transformer 240V - 12V with Bi-Pi Base MR16 Socket, DC 12V 0.6A Max 7W, Non-Dimmable, for 12V LED Lights, GU5.3 MR16 LED Bulbs, G4 LED, MR11 LED, 3 Pack
Check Price
Show More
Why we love it
Safe and reliable performance.
No interference with electronics.
Includes three LED drivers.
Main Highlights
Boxlood LED Driver Input Voltage: AC 85-265V 47-63Hz 0.2A
Boxlood LED Driver Output Voltage: DC 12V 0.6A (MAX power 7 watts, not dimmable)
This LED transformer is suitable for 12V LED lights: MR16, G4, MR11, safe and reliable, Zero Interference with Dab radio and Wifi
Each LED transformer equipped with 1 Bi-Pi base socket, unnecessary to install extra socket, 1 package includes 3 units led driver
NOTE: This LED transformer can withstand maximum 7 watts output, please do not exceed the power, or else it will lead the LED lights work unproperly
Show More
10
240 V to 12V Power Supply Adapter Transformer Power Converter for 5kW 8kW All-in-One Diesel Air Heater for Caravan, Motorhome, Garage or Indoor Use
Jurtmy
Why we love it
Easy to install and use.
Compatible with multiple heaters.
Safe and reliable operation.
Main Highlights
EASY INSTALLATION FOR QUICK SETUP Simply plug the 240V to 12V voltage converter into a regular household socket to power your diesel air heater. So users of any experience receive reliable heat effortlessly and quickly.
VERSATILE COMPATIBILITY WITH DIESEL HEATERS This adapter is designed for 5kW/8KW all-in-one diesel air heaters and connects your device to the mains supply. This ensures reliable heat in motorhomes, caravans, garages, workshops or interiors.
STABLE OUTPUT FOR CONSTANT PERFORMANCE With an input voltage of 110-245V and output voltage of 11-13V at up to 16A, this voltage converter delivers stable power of 200W, ensuring smooth operation of your heater without voltage drops or interruptions.
Built-in Safety Mechanisms The adapter is equipped with multiple protection functions to prevent overheating, short circuit and incorrect voltage. It is made of robust materials for long-lasting operation and a safe user experience.
PORTABLE & SPACE SAVING DESIGN This lightweight and easy to store power converter can be taken anywhere heat is needed. It offers convenient flexibility when heating indoors or regardless of the mains without taking up unnecessary space or causing unnecessary mess.
Show More
8.9
Excellent
Check Price
8.9
Excellent
Jurtmy
240 V to 12V Power Supply Adapter Transformer Power Converter for 5kW 8kW All-in-One Diesel Air Heater for Caravan, Motorhome, Garage or Indoor Use
Check Price
Show More
Why we love it
Easy to install and use.
Compatible with multiple heaters.
Safe and reliable operation.
Main Highlights
EASY INSTALLATION FOR QUICK SETUP Simply plug the 240V to 12V voltage converter into a regular household socket to power your diesel air heater. So users of any experience receive reliable heat effortlessly and quickly.
VERSATILE COMPATIBILITY WITH DIESEL HEATERS This adapter is designed for 5kW/8KW all-in-one diesel air heaters and connects your device to the mains supply. This ensures reliable heat in motorhomes, caravans, garages, workshops or interiors.
STABLE OUTPUT FOR CONSTANT PERFORMANCE With an input voltage of 110-245V and output voltage of 11-13V at up to 16A, this voltage converter delivers stable power of 200W, ensuring smooth operation of your heater without voltage drops or interruptions.
Built-in Safety Mechanisms The adapter is equipped with multiple protection functions to prevent overheating, short circuit and incorrect voltage. It is made of robust materials for long-lasting operation and a safe user experience.
PORTABLE & SPACE SAVING DESIGN This lightweight and easy to store power converter can be taken anywhere heat is needed. It offers convenient flexibility when heating indoors or regardless of the mains without taking up unnecessary space or causing unnecessary mess.
Show More