12-17-2015, 10:12 PM
I did a lot of research before buying, and the common thread was to run an 18 volt or greater drill with a brushless motor, and at least a 4.0 amp hour battery. I don't know if brand matters. My friend just got the RIGID 18 volt brushless drill with 5.0 amp hour battery at Home Depot. Great price and a lifetime warranty.
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