However, if you're considering Makita ... of charger on you. If you're already running Makita batteries at your tailgating party, though, why not use one with the 18V LXT Power Source with USB ...

There is also an 18V LXT Rapid Optimum Charger ... for you. Makita doesn't produce generators but there is the smaller 18V LXT Power Source for $35 at Home Depot. It comes with two USB ports ...

However, Makita's adapter features the necessary failsafe protection to keep the 40V charger from negatively impacting the 18V battery. Among its features is overload, over-discharge, and ...

[Eggmont] was facing this dilemma with a Makita battery from a broken angle grinder and decided to make a USB charger out of it ... so it was fine to use it with the 18V tool battery.

This fun feature can be found in a few of Makita's battery chargers, such as the 18V LXT Rapid Battery Charger and the 40V XGT Rapid Charger. It does not come in the 12V CXT charger. That said ...