Better Basics via Amazon offers the MeasuPro Rechargeable Portable Electrical TENS Electrode Machine for $49.99. Coupon code "4BAKPAIN" cuts it to $39.99. With free shipping, that's tied with our mention from two weeks ago, $30 off, and the lowest price we could find. It features an LCD display, self-adhesive and dual electric gel pads, and several pain management modes. Deal ends October 21.