This is my third cordless drill from Makita. The first went in the dumpster after the cartridge stopped working. The second overheated while mixing the liquid solution. Both combined drill, driver and concrete. It doesn't have the function of concrete, which I always thought was a waste of time since I have two SDS drill bits for it, which work a thousand times better for drilling concrete. I need a drill mainly for mixing mortar, grout and joint compound. It's what I do for a living, and while