OK, I've gone through 3 of these Dewalt drills over the past 10 years. All 18 volt. One had a motor failure, one had a gear box failure (they used figgin plastic), one with the hammer drill function has such a long extended nose that wrist muscle fatigue limits it's use. None of the batteries survive more then 50 recharge cycles (I always only changed when they drained down to non usable levels, they sat most of the time in a heated environment unused for months). Now the XRP batteries are claiming 2500 recharge cycles. I'm just a home owner not contractor using for minor home repair and small framing use construction. They are portable drills, work good at tapping holes, but I wonder how many guys using them for a living would have anything good to say about them. ignator