Used for the first time last night and started sparking and looks like the motor has a short .When buying made in China Buy Makita from a good authorized dealer who specializes in Made in Japan versions then you have a great tool but if the box says Made in China send the junk back, it's not same parts its about the battery which you also have to say they are made in japan and last ten years i still have 3.0 out of 16 and they are still going strong and i use them all the time.