Jul 21, 2010· The Automatic Pill Grinder runs on 3 AAA batteries. It's a little bigger than a smart phone and it grinds up two pills at a time. Don't use it on slick pills, time release pills, gel caps, or nuts. Just those sticktoyourtongue powdery pills. This is a great gadget for infant and adult medications even pet pills. You can purchase the ...