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DeWalt to Makita Battery Converter Guide

DeWalt → Makita
Convert DeWalt 20V MAX lithium-ion batteries to work with the Makita 18V LXT system. Save money by not buying new Makita batteries.
Technical Specifications
ConversionDeWalt 20V MAX → Makita 18V LXT
Voltage20V DC
Amp Limit18A Continuous
ProtectionOvercurrent, Thermal Fuse (>80°C)
PERFORMANCE LAB
BATTERY CAPACITY
TOOL LOAD350W
50W600W1200W
ESTIMATED RUNTIME
--
-- Wh Usable
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Reverse Adapter
Makita 18V Lxt To Dewalt 20V Max Adapter
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Frequently Asked Questions
Can I use DeWalt 20V batteries on Makita tools with this adapter?
Yes. This adapter enables DeWalt 20V MAX batteries to power Makita 18V LXT tools. It supports up to 18A continuous draw.
What is the maximum power this adapter can handle?
This adapter is rated for 18A continuous at 20V, which equals approximately 360W. It includes overcurrent protection and a thermal fuse that triggers above 80°C.
Is this adapter safe for high-drain tools like circular saws or grinders?
It depends on the tool's amp draw. Most Makita circular saws draw 6-10A. This adapter supports 18A continuous, so verify your tool's specifications before use.
Safety Disclaimer Verify voltage matching before use. Never use a high-voltage battery on a low-voltage tool (e.g. 20V battery on 12V tool) even if it physically fits. Disconnect adapter immediately if tool overheats. Not responsible for misuse.