Lithium ion. Not a bad price. Some folks have had problems with it having no power after some time but overall the reviews are positive. For $20 its a steal. I gots me one.
Found this at SD.
http://www.amazon.com/Skil-237...&qid=1236376432&sr=8-4
Found this at SD.
http://www.amazon.com/Skil-237...&qid=1236376432&sr=8-4