I went through 3 of those smaller lithium ones before I got the dewalt years ago. Not sure what happened inside them, but the motor would whir and nothing would spin. Guessing I was asking more than they could offer.
Well, it should be. Yours never leaves it's velvet bag you store it in while you look at all your trucks in the glass display cases.
She hurts herself enough that I don't have to tip the scales. I just have to wait a bit longer. :) She has zero spacial awareness and smacks into stuff all the time.
I've been using this one for a few years:
https://www.milwaukeetool.com/power-tools/cordless/2401-22
My wife got it for me for Christmas off a list I gave her. She also got me MIP 1/4" drive allens at the same time. I use both daily when wrenching on RC's.
Before that, I had an old NiCAD or...