i use an 18volt lithium ion ryobi and dont have probs coring ANY cable size. also, i charge my batteries less with it than any other drill i've had to date. I had to borrow my bosses 18volt makita (new style) and the torque dang near ripped my hand off my arm. i would suggest one of those two
This is CABL.com posting #292788. Tiny Link: cabl.co/mboky