Updated: 17 Feb 2025

18 v battery adapter converters

Explore up to 23% Off

Updated: 17 Feb 2025

#1

Best Choice
DEWALT Battery Adapter 18V to 20V, For Drills, Sanders and More, Charger Not Included (DCA1820)

9.9

DEWALT

-10%

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Why we love it

Extends life of older DEWALT 18V tools.

Compatible with various 20V MAX compact batteries.

Saves money by using existing tools.

Main highlights

Compatible with 18V and 20V Tools
Compatible with most DEWALT 18V tools and allows for use of 20V MAX compact batteries. Requires use of DEWALT 20V MAX charger.

Best for Extending Tool Life
Ideal for users with older DEWALT 18V tools who want to use new 20V MAX batteries, extending the life of their tools.

Most Praised Feature
Customers appreciate the ability to use newer 20V batteries with older 18V tools, saving money and extending the utility of their existing tools.

-10%
#2

Value for Money
2 Packs DM18D Battery Adapter Converter with USB Port for Dewalt 18V Tools, Converts for Dewalt 20V for Milwaukee 18V Li-ion to De-Walt 18V Battery Adapter

9.8

Azocek

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Main highlights

Use for De-walt 18V tools: Compatible with for De-walt 18V NiCad & NiMh tools model DC020, DC212B, DC212KZ, DC212N, DC330K, DW932, C410N, DC530KA, DC720KA, DC823K, DW932 etc

Compatible with Milwaukee 18V Lithium-ion Battery: Works with 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828 etc. Can quickly convert Mil-waukee 18V battery to De-walt 18V battery

Compatible with Dewalt 20V Lithium-ion Battery: Works with DCB205 DCB206 DCB204 DCB203 DCB200 DCB201 etc. Can quickly convert for Dewalt 20v to Dewalt 18v battery, perfect replacement for De-Walt 18V DC9096 DE9039 DE9095 DE9096 DE9098 DW9095 DW9096 DW9098 DE9503 batteries
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#3
18V to 12V Step-Down Converter for Milwaukee M18 Battery Adapter, DC 12V 20A 240W Buck Converter Regulator for Golf Carts, RC Cars, Trucks, Lamps and DIY

9.6

Aikyciu

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Main highlights

【STEP DOWN CONVERTER】: Input Voltage: DC 18V-20V; Output Voltage: DC 12V; Output Current: 20A Max; Output Power: 240W Max. This converter offers a higher current limit and power output compared to others, Suitable for demanding applications

【ENHANCED SAFETY】: Built-in smart ch-ip provides multiple protections including over-current, over-voltage, under-voltage, over-load, low-load, short-circuit, and over-heat protection

【COMPATIBILITY】: Compatible with Mil-wau-kee M18 18V lithium batteries, including models 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, and more. The well-designed battery adapter connector ensures a snug fit, making it easy to install and remove
#4
2 Pack DCA1820 Adapter Compatible with 18v to 20v Adapter, Compatible with 20V Max Battery DCB203 to 18V XRP NiCad NiMh Battery DC9096

9.3

Generic

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Why we love it

1. Compatible: Works with 20V XR lithium batteries.

2. Easy Install: Fits well and no hassle.

3. Secure: 90 day money back warranty.

Main highlights

Key Features
Enables use of 20V MAX XR Lithium batteries in 18V tools, easy installation, and maintains original tool functionality.

Ideal Use Cases
Perfect for upgrading older 18V DeWalt tools to more efficient, longer-lasting 20V batteries without needing new tools.

Customer Praise
Most reviews highlight its seamless fit and functionality, appreciating the adapter`s ability to breathe new life into their tools.
#5
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

9.2

Azocek

-16%

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Main highlights

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

-16%
#6
KOEZEOI 18V to 12V Step Down Converter Aadpter for Ryobi 18V Battery Voltage Converter DC Voltage Regulator 15A MAX 180W Automatic Buck Converter Power Wheels Aadpter with Switch for DIY RC Car Toys

9.1

KOEZEOI

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Main highlights

【High Quality Voltage Converter】Input voltage range: DC 18V-20V; Output voltage: DC 12V; Output current: 15A MAX; Output Power 180W. This voltage reducer adopted synchronization rectification technology, high conversion efficiency and good stability. The conversion efficiency can reach 95%.

【Compatibility】Compatible with Ryobi 18V Battery, for PBP002, PBP003, PBP004, PBP005, PBP006, P189, P190, P191, P192, P193, P194, P195, P102, P103, P104, P105, P107, P108 and more. Power wheels battery adapter is well-made, snug fit your battery, easy to install and lock battery.

【Better Safety】Voltage regulator built-in smart chip, features Over-current /Over-voltage /Under-voltage /Over-load /Low-load /Short-circuit /Over-heat multiple intelligent protection, protect your devices from overpower damage. Battery adapter also have added switch ensures you can turn on&off the battery easily.
#7
18V to 12V Step-Down Converter for Makita 18V LXT for Power Battery Adapter Wheel, DC 12V 15A 180W Buck Converter Regulator with 30A Fuse & Wire Terminal for Golf Cart RC Car Truck Light & DIY

9.0

QSDXNYDC

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Main highlights

Step-down Converter: Input Voltage: DC 18V; Output Voltage: DC 12V; Output Current: 15A Max; Output Power 180W Max. Our voltage buck converter adopted synchronous rectification technology further improve conversion efficiency and good stability.

Better Safety: Voltage regulator equipped smart chip, provides Over-current, Over-load, Low-load, Over-voltage, Under-voltage, Over-heat and Short-circuit intelligent protection. We upgraded low voltage protection, this voltage converter built in over low voltage protection, auto shut off if the battery voltage is lower than 14.4v, protect your devices from overpower damage.

Adapter Compatibility: Perfectly compatible with Makita 18V LXT lithium batteries, works with Makita 18V BL1850B, BL1860B,BL1830B,BL1840B,BL1820B etc. Our battery adapter connector is well-design, snugly fit your battery, easy to install and remove.
#8
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

8.9

Vibit

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Main highlights

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.

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.
#9
2 Packs Power Wheel Adapter for Milwaukee M18 Battery Adapter 18V Power Wheels Battery Converter with Fuses & Wire Terminals, 12AWG Wire, Power Connector for DIY Rc Car Toys, Robotics and Rc Truck

8.7

CHoiKWong

-23%

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Why we love it

Compatible with various Milwaukee M18 batteries.

Enhanced safety with 30Amp fuse and waterproof holder.

Easy installation and secure battery locking mechanism.

Main highlights

Durable and Heat Resistant
Made of durable ABS plastic, heat resistant and not easy to corrode, perfect for indoor and outdoor use.

Ideal for Power Wheels and DIY Projects
Can be used to upgrade power wheels, RC toys, work lights, or robotics DIY with enough power. Equipped with 30Amp fuse for safety.

Easy Installation
Customers appreciate the easy and quick installation process, making it ideal for converting power wheels and other devices.

-23%
#10
DM18D Converter for DeWalt 18v to 20v Battery Adapter,for Milwaukee M18 18v Batteries Adapter, Convert to DC9096,fit for DeWalt 18v XRP Ni-Cad Cordless Tool,Upgraded Version of DCA1820,with USB port

8.6

Echoyee

-10%

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Why we love it

Compatible DeWalt/Milwaukee batteries

High quality ABS plastic

5V/2.1A USB output

Main highlights

Key Features
Superior compatibility with DeWalt and Milwaukee 18V-20V batteries, upgraded version with USB port for mobile charging, meets FCC, RoHS, and CE standards.

Ideal Use Cases
Perfect for using DeWalt and Milwaukee batteries interchangeably on 18V XPR Ni-Cad & NiMh tools, not for battery charging.

Customer Praise
Highly praised for its cross-brand compatibility and the convenience of having a USB charging port, enhancing tool versatility.

-10%

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18 v battery adapter converters

DEWALT Battery Adapter 18V to 20V, For Drills, Sanders and More, Charger Not Included (DCA1820)

9.9

Why we love it

Main highlights

2 Packs DM18D Battery Adapter Converter with USB Port for Dewalt 18V Tools, Converts for Dewalt 20V for Milwaukee 18V Li-ion to De-Walt 18V Battery Adapter

9.8

Main highlights

18V to 12V Step-Down Converter for Milwaukee M18 Battery Adapter, DC 12V 20A 240W Buck Converter Regulator for Golf Carts, RC Cars, Trucks, Lamps and DIY

9.6

Main highlights

2 Pack DCA1820 Adapter Compatible with 18v to 20v Adapter, Compatible with 20V Max Battery DCB203 to 18V XRP NiCad NiMh Battery DC9096

9.3

Why we love it

Main highlights

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

9.2

Main highlights

KOEZEOI 18V to 12V Step Down Converter Aadpter for Ryobi 18V Battery Voltage Converter DC Voltage Regulator 15A MAX 180W Automatic Buck Converter Power Wheels Aadpter with Switch for DIY RC Car Toys

9.1

Main highlights

18V to 12V Step-Down Converter for Makita 18V LXT for Power Battery Adapter Wheel, DC 12V 15A 180W Buck Converter Regulator with 30A Fuse & Wire Terminal for Golf Cart RC Car Truck Light & DIY

9.0

Main highlights

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

8.9

Main highlights

2 Packs Power Wheel Adapter for Milwaukee M18 Battery Adapter 18V Power Wheels Battery Converter with Fuses & Wire Terminals, 12AWG Wire, Power Connector for DIY Rc Car Toys, Robotics and Rc Truck

8.7

Why we love it

Main highlights

DM18D Converter for DeWalt 18v to 20v Battery Adapter,for Milwaukee M18 18v Batteries Adapter, Convert to DC9096,fit for DeWalt 18v XRP Ni-Cad Cordless Tool,Upgraded Version of DCA1820,with USB port

8.6

Why we love it

Main highlights

Similar products on Amazon

2 Packs Power Wheel Adapter for Ryobi 18V Battery Adapter Power Wheels Battery Conversion Kit with Fuses & Wire Terminals, 12AWG Wire, Power Connector for DIY Ride On Truck, RC Car Toys and Robotics

waitley Battery Adapter for Dewalt DCA1820 18V-20V Converter with USB Port Function Compatible with DC9096 DE9096

DCA1820 Adapter Compatible with 18V Battery Tools, Compatible with 20V Max Lithium Battery DCB203 DCB204 to 18V XRP NiCad NiMh Batteries DC9096

18V to 12V Step Down Converter Compatible with Milwaukee 18V Battery, DC Voltage Regulator 12V 20A 240W Automatic Buck Converter, Upgraded Power Wheel Battery Adapter with Overdischarge and Switch

Tulepowceeng DM18D Battery Adapter Compatible with Dewalt 18v Tools, Convert Compatible with Dewalt 20v or Compatible with Milwaukee 18v Li-ion Battery to Work with 18v Cordless Power Tools

Azocek 18V to 12V Step Down Converter for Ryobi 18V Battery Adapter, Voltage Converter DC 12V 15A 180W Buck Converter Regulator, Power Wheel Adapter with Switch, 30A Fuse & Wire Terminal

1 Pack Power Wheel Adapter for Ryobi 18V Battery, Upgraded Battery Converter Kit with Switch, Fuse & Wire Terminals, 12 AWG Wire, Power Connector for DIY RC Car Toys Robotics

Tulepowceeng 2 Pack DM18D Battery Adapter Compatible with Dewalt 18v Tools, Convert Compatible with Dewalt 20v or Compatible with Milwaukee 18v Li-ion Battery to Work with 18v Power Tools

18V to 12V Step Down Converter for Makita 18V Battery with Cigarette Lighter Socket,for Power Wheel Battery Adapter with USB Ports & Type C & XT60 Port, for RC Car, DIY Projects,Car Appliances

Kzreect 1PACK DM18D Adapter Converter for 18V Tools with USB Port, Compatible with Dewalt 20V Battery, Compatible with Milwaukee 18V Battery

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