Please note this is for Makita G series batteries only , NOT LXT range.
This a battery mount that allows Makita G series batteries to be used to power other projects. An example of a portable power supply is on my website
The Makita battery terminal can be found by doing a google search, i bought mine on ebay and the part number used is : 6438441
Makita battery terminal is a snug fit but apply some glue to fix permanently.
Use m3 bolts in mounting holes.
When using Lithium power tool batteries ensure all the relevant safety precautions are followed and is wired up correctly avoiding any short circuits. Also be aware you could invalid any warranties if using the tool batteries in this way.