How much you can expect to spend on a TENS unit Basic one-modality TENS units cost between $20-$25, and midlevel units with digital controls and electrodes are priced between $25-$40.

If an individual experiences chronic pain, Medicare may also cover the cost of purchasing a TENS unit. If a person is an inpatient in a hospital, Medicare will cover eligible costs from Part A.

Studies have shown TENS units may help relieve constipation. The most recommended placement of TENS electrodes for this purpose is to use two on the lower abdomen and two on your lower back.