I can only speak to the DeWalt, but I've got the cordless one, and have used it for several batteries at a time, and it's been pretty decent on the hands, as long as you let it do the work.
I can only speak to the DeWalt, but I've got the cordless one, and have used it for several batteries at a time, and it's been pretty decent on the hands, as long as you let it do the work.