The Best 18V To 12V of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 18V To 12V of 2022. Check our ranking below.

2,359 Reviews Scanned

Rank No. #1

DC 12V Voltage Regulator DC 8V ~ 40V to 12V 3A 36W Converter- DC 36V 24V 18V to 12V Step Down Converter Regulator Waterproof Module Transformer

[Versatile Voltage Conversion]: - Efficiently converts DC 8V-40V to a stable 12V output, perfect for devices with various power needs. Compatible with 12V, 18V, 24V, and 36V inputs.
[High-Efficiency Output]: - Delivers a consistent 3A current and 36W power with over 96% maximum efficiency. Features minimal ripple wave (50Mv) and a quick start-up time of under 2 seconds.
[Advanced Protection Features]: - Equipped with comprehensive safety measures, including over-voltage, over-current, and short-circuit protection, ensuring your devices charge safely and reliably.
[Compact and Portable]: - Designed for convenience, this lightweight and compact converter is ideal for easy transportation and installation in various settings.
[Broad Application]: - Perfect for a wide range of uses, including automotive, boating, trucking, and other industrial applications, ensuring reliable operation in diverse conditions.

SaleRank No. #2

10A 120W Golf Cart 18V 20V 24V 36V 48V Step Down to DC 12V Converter Voltage Regulator Reducer Power Buck Converter Waterproof Transformer(DC 16-58V Inputs

Wide range Input Voltage:DC 16V-58V
Output Voltage：DC 12V (Output Current: 10A max), (Output Power: 120W max)High Conversion Efficiency: up to 95%
Built-in intelligent protection with undervoltage/overload/low load/short circuit/overheating function
Aluminum shell with silicone potting, with IP68 waterproof grade, can work in the rain, shockproof, moisture-proof, dust-proof, good heat dissipation, more durable.
Widely used in automotive, surveillance systems, railway signals, medical equipment, instruments and meters, LED products, LED strips, cable TV and other low power test systems

SaleRank No. #3

18V to 12V Step Down Converter Compatible with Milwaukee 18V Battery Power Wheel Battery Adapter DC 12V 20A 240W Buck Converter Regulator with 30A Fuse & Wire Terminal

Step-down Converter: Input Voltage: DC 18V-20V; Output Voltage: DC 12V; Output Current: 20A Max; Output Power 240W Max
Compatibility: Perfectly compatible with Milwaukee 18V lithium batteries, works with 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, 48-11-1815 etc. Our battery adapter connector is well-design, snugly fit your battery, easy to install and remove
Better Safety: Voltage regulator built-in smart chip, features Over-current, Over-voltage, Over-load, Low-load, Short-circuit, Over-heat multiple intelligent protection, protect your devices from overpower damage. Battery adapter also have added fuse holder and 30A fuse ensures you can use it safely
Easy to Use: We combine the battery adapter and the voltage converter with 2 heat-resistant wires ＆ fuse holder, make it more easy to use, just install the battery to the battery adapter and then connect the voltage converter to your device. (Note: Battery NOT Included)
Widely Applicable: This step down converter suitable for various 12v devices, ideal for upgrade power tools, ride on toys, golf carts, car trucks, speaker, monitoring equipment, led strip light, work lights or robotics DIY etc. If you have any questions, please feel free to consult us

Rank No. #4

Mellif DC Power Adapter Compatible with Milwaukee 18V Battery, 18V to 12V Step Down Voltage Converter, 180W Inverter Automatic Buck Converter Regulator for Golf Cart Led Strip Light (Tool Only)

Compatibility: Mellif DC power adapter is compatible with 18V battery(Battery NOT Included).We focus on providing reliable tools
Upgraded Low Voltage Protection: This voltage converters built in over low voltage protection, auto shut off if the battery voltage is lower than 14.4v, protect your 12V devices from over power. Max output current 12V/15A
High Quality Material & Safe to Use: The automatic buck converter is made of high quality chip and high quality plastic, stable and safe. This 180W inverter is excellent power transformers, can let you enjoy the fun of DIY
Widely Application: Input voltage is 20V, output voltage is DC 12V 15A , power 180w, widely used in motor, dashcam, car truck, vehicle, golf cart, led strip light, electric fan, camera, light ,screen, monitoring system, solar pad and DIY etc

Rank No. #5

Vibit 18 V to 12 V Step-Down Converter for Milwaukee M18 Battery, DC Power Adapter, Voltage Reducer Transformer 180 W Buck Converter Regulator for Golf Cart RC Car Truck Light & DIY

For Milwaukee Batteries: The DC power wheel adapter is perfectly compatible with Milwaukee M18 batteries, such as 48-11-1812, 48-11-1815, 48-11-1820, 48-11-1828, 48-11-1835, 48-11-1840, 48-11-1850, 48-11-1852, 48-11-1860, 48-11-1862, 48-11-1865, 48-11-1880, etc.
Step-down Converter: Input voltage: DC 18 V/20 V; Output: DC 12 V/15 A; Power: 180 W; Efficiency: ≥ 95%. Ideal for powering golf carts, power wheels, DIY toys, RC cars/trucks, LED lights, cameras, etc.
Real-time Protection: The voltage inverter shuts off automatically if there’s overvoltage, overload, under-voltage, overcurrent, overheating or short circuit. Stop excessive transient current timely to avoid damage to the battery and the equipment.
Strong Power Adapter: Equipped with 14 AWG wires, it’s dependable to endure heat up to 105 °C and voltage up to 600 V. And the thickened metal sheet is rustproof, always conducting electricity fast and smoothly. You can freely turn on/off the battery through the switch as needed.
Heavy Duty: The aluminum alloy voltage transformer is totally waterproof, shockproof and fast in heat dissipation. The sturdy ABS adapter is reusable and resistant to wear, impact or breaking. And the wire terminal makes it safer and faster to connect the power cords.

Rank No. #6

Vibit 18 V to 12 V Step-Down Converter for Ryobi 18 V Battery, DC Power Adapter, Voltage Reducer Transformer 180 W Buck Converter Regulator for Golf Cart RC Car Truck Light & DIY

For Ryobi Batteries: The DC power wheel adapter is perfectly compatible with Ryobi 18 V batteries, such as PBP002, PBP003, PBP004, PBP005, PBP006, P189, P190, P191, P192, P193, P194, P195, P102, P103, P104, P105, P107, P108, etc.
Step-down Converter: Input voltage: DC 18 V/20 V; Output: DC 12 V/15 A; Power: 180 W; Efficiency: ≥ 95%. Ideal for powering golf carts, power wheels, DIY toys, RC cars/trucks, LED lights, cameras, etc.
Real-time Protection: The voltage inverter shuts off automatically if there’s overvoltage, overload, under-voltage, overcurrent, overheating or short circuit. Stop excessive transient current timely to avoid damage to the battery and the equipment.
Strong Power Adapter: Equipped with 14 AWG wires, it’s dependable to endure heat up to 105 °C and voltage up to 600 V. And the built-in metal sheet is rustproof, always conducting electricity fast and smoothly. You can freely turn on/off the battery through the switch as needed.
Heavy Duty: The aluminum alloy voltage transformer is totally waterproof, shockproof and fast in heat dissipation. The sturdy ABS adapter is reusable and resistant to wear, impact or breaking. And the wire terminal makes it safer and faster to connect the power cords.

Rank No. #7

24V to 12V Converter, More Safe 18V to 12V step down Converter 5A 60W, DC to DC Converter with output overcurrent protection for Golf Cart Light Truck Vehicle Boat (Accept DC 15-40V Inputs)

[24V to 12V Converter] This DC-DC step down converter 24V to 12V converts the DC 24V into DC 12V. Low power consumption. Voltage input: DC 15-40V, output: DC 12V. Max Current: 5A 60W. WARNING: 1.Please confirm whether the output voltage is correct before use; 2.Please confirm the positive and negative polarity of the power before wiring; 3.Must connect the input negative wire to GND or - before use, or the output volts will not change!
[New Upgraded Input/Output for More Safety] For the safety of users, our power voltage converter has output overcurrent protection and Input anti reverse connection protection. Automatically stop Working when current above 5A or reverse connection. This can reduce the risk of fire or explosion
[Extra Low Current During Standby] When our transformer is in standby, the current is very low, at 0.15MA. Compared with ordinary transformers on the market with a standby current of 15MA, our transformer does not consume battery power, This can effectively protect the power of your battery.
[IP67 Waterproof Grade] This DC transformer adopted heat conduction organic silica gel filling and sealing technology, waterproof, anti-shock, anti-humidity and dust-proof. Which make it can be used outdoors with standing heavy rains or other bad weathers.
[High Conversion Rate] The 24V to 12V Converter with a high conversion rate exceeding 96%, it can be widely used in various electrical equipment with a rated voltage of 12V. (15-40V wide range input). Correct output. High quality, high performance, durability, and long service life

Rank No. #8

Kzreect 18V to 12V Step-Down Converter for Milwaukee M18 Battery Adapter, DC 12V 20A 240W Buck Converter Reducer Regulator, Voltage Reducer Transformer for Golf Cart RC Car LED Lights DIY Toys

Compatible with Milwaukee: Perfectly compatible with Milwaukee M18 18V lithium batteries, including 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840 and others
Step down converter: Input Voltage: DC 18V-20V; Output Voltage: DC 12 V; Output Current: 20A; Power: 240W(Max)
High Quality: The buck is an aluminum alloy shell, which has the advantages of good heat dissipation, waterproof, dustproof and shockproof. In addition, the adapter housing is made of high quality ABS
Protective Function Design: Step down converter with over-voltage, under-voltage, over-load, over-heat and short circuit protection, protect your devices and equipment from overpower damage
Wide Application: Ideal for power wheels, golf cart, truck car, DIY toys, LED light, screen display, etc.

Rank No. #9

Azocek 18V to 12V Step Down Converter for Milwaukee M18 18V Battery Adapter & New Upgrade USB Charger Adapter, DC 12V Resistive Loads 20A 240W Buck Converter Regulator (1-Pack)

Step-down Converter: Input Voltage: DC 18V-20V; Output Voltage: DC 12V; Output Current: Resistive Loads 20A Max; Output Power 240W Max. Battery adapter built-in over low voltage protection, auto shut off if the battery voltage is lower than 15V, protect your battery and 12V device
3 Charging Ports: This 18V battery adapter features 2 USB-A ports and 1 Type-C charging port, enabling fast charging for cell phones, tablets, and other electronic devices. It can charge up to 3 devices simultaneously. When using a single port, the USB-A output is QC 18W Max, and the Type-C output is PD 30W Max
Better Safety: Battery adapter with over-load, no-load power-off, Resistive Loads over-current, and low-voltage protection. Voltage regulator built-in smart chip, features Over-current, Over-voltage, Under-voltage, Over-load, Low-load, Short-circuit multiple intelligent protection, protect your devices from overpowering damage
Applicable Battery Models: This adapter is perfectly compatible with Milwaukee 18V M18 batteries, including models like 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, and 48-11-1815. The connector is designed to snugly fit the battery, ensuring easy installation and removal
Easy to Use: The battery adapter and voltage converter can be combined with a removable XT60 female connector. Simply install the battery into the adapter, connect the voltage converter to your device, and you’re ready to go. (Note: Battery NOT Included)

SaleRank No. #10

18V to 12V Step Down Converter for Makita 18V Battery, DC Power Inverter Adapter DC Voltage Reducer Transformer 12V 15A 180W Voltage Converter for Golf Cart RC Car Truck Light & DIY

✅18v to 12v step down converter: Compatible with Makita 18v batteries- BL1860 BL1850 BL1840 BL1830 BL1860B BL1850B Li-ion Battery
✅Input Voltage: 18V nominal, accept(18V-36V) range;Output Voltage: DC 12V;Output current: 15A;Output Power:180W. This voltage reducer adopted synchronization rectification technology, high conversion efficiency and good stability. The conversion efficiency can reach 93%.
✅Durable quality: 18V to 12V step down converter is assembled with smart chip, features Over-current /Over-load /Low-load /Short-circuit /Over-heat intelligent protection.Compact aluminium shell with epoxy potting, waterproof, anti-dust, anti-shock protection and better heat dissipation.These voltage converters are excellent power transformers, can work safely and reliable in -40°C~80°C range
✅Widely used: Step Down Converter suits for a variety of 12v devices,such as upgrade motor, ride on toys, golf carts, car trucks, speaker, monitoring equipment, power tools, led strip light, work lights or robotics DIY
✅Note:This converter is not a charger, it only outputs the voltage and power directly from your battery. When using, make sure that the positive and negative wires of your device correspond to the positive and negative wires of the voltage converter adapter.It is best to remove the battery after use,otherwise the battery may be drained

Last update on 2024-10-16 / Affiliate links / Images from Amazon Product Advertising API

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FAQ:

Q: How to convert 18v battery to 12V?

A: That is, if the batteries are 2 AH at 18V, the linear regulator will give you something around 2 AH at 12 V. So, you go from great batteries to average batteries in terms of performance per unit weight. My approach would be to disassemble the pack and re-assemble it for 12 volts.

Q: What is the difference between 12V and 18V tools?

A: 18V tools weigh more and can run longer. In exchange, they can also drive heavier loads without slowing down or taxing the battery as much. For most of us, there’s no getting around investing in an 18V tool and battery platform. The cost of entry isn’t nearly as high for 12V tools, however.

Q: Can I power a 12V light switch with 18V power?

A: You might be able to power a 12V device with 18V, but not for as long. The risk is perhaps a few dollars of wasted expense if it fails. As an addendum, if you want to stick to 18V, you could add another resistor to drop the voltage further and limit current to the lighted switch.

Q: Do 18-volt batteries run longer than 12-volt?

A: It depends. Given the same task, 18-volt batteries are going to run much longer than 12-volt. That’s especially true now that 10 Ah batteries and even 12 Ah batteries are hitting the scene. You probably don’t want to hold all that weight in a handheld tool, however. 18V tools weigh more and can run longer.