Makita runs two full cordless systems side by side, and the names do not make the relationship obvious. Sorting them out takes about five minutes and saves a lot of money.
18V LXT is the main line
LXT is Makita's 18-volt platform and it has been in the field a long time. The practical consequence of that longevity is catalog depth. The system covers the everyday categories you expect, plus a long tail of specialty tools that other platforms never got around to building.
If your work is carpentry, remodeling, mechanical, electrical, plumbing, or general maintenance, LXT almost certainly covers you. Depth matters more than headline power in that kind of work, because the win comes from not having to leave the platform.
The two-battery tools
Several LXT tools accept two 18V packs at once and combine them to run at a higher effective voltage. That is how Makita brought heavy categories like larger miter saws and outdoor equipment into the LXT ecosystem without asking owners to start over on batteries.
It works well, and it has a real trade-off: you are carrying two packs on one tool, which adds weight, and you need to keep pairs charged rather than singles.
40V XGT is a separate system
XGT is a different platform: different battery mount, different charger, different tools. It is designed around higher sustained output for work that historically needed a cord or an engine. Larger rotary hammers, heavy outdoor equipment, and demanding continuous-load tools live here.
XGT packs do not fit LXT tools and LXT packs do not fit XGT tools. There is no adapter that turns one into the other. Makita does sell some dual-port chargers that handle both families, which helps with bench clutter but does not change compatibility.
How to choose
Ask what your heaviest recurring job is, and how often it actually happens.
If the heavy jobs are occasional, stay on LXT. Use the two-battery tools where you need extra capability, or keep a corded tool for the rare heavy day. Fragmentation costs more than a corded saw.
If the heavy jobs are routine, XGT is the honest answer. Fighting sustained heavy work with a platform designed for general use burns tools and batteries.
If you are starting fresh and mostly build things, LXT first. The catalog depth means fewer forced detours later.
Battery lineup that makes sense
On LXT, most people are well served by a mix: a pair of compact packs for drills, drivers and lights, and a pair of high-capacity packs for saws and grinders. If you own two-battery tools, buy packs in matched pairs so charge states stay similar.
On XGT, capacity matters more because the tools draw hard. Fewer, larger packs is usually the right shape.
Buying used or bare
Makita has a long history, which means the used market carries older packs. Cell chemistry and pack electronics have improved over the years, and a very old pack can look identical to a current one from across a table. Check date codes when the brand prints them, and be skeptical of a pack that has clearly lived outdoors.
Bare tools are a good value once your battery collection is healthy. Confirm the tool is LXT and not XGT before buying bare. The listing titles are not always clear, and the mounts are not compatible.
The short version
LXT is the broad everyday platform with a very deep catalog. XGT is a separate heavy-duty system for sustained high-demand work. Pick the one that matches your normal week, use the two-battery LXT tools to stretch capability, and do not assume any Makita battery fits any Makita tool.