TENS Unit Guides, Modes, Comparisons & Electrode Education
Learn about TENS units, TENS modes, electrode pads, lead wires, pad placement, TENS vs NMES, device comparisons, and Balego TENS product support.

TENS 3000 vs. TENS 7000: Which Should You Choose?
by Service, Training and SupportOctober 2, 2026
Choosing between TENS 3000 and TENS 7000? Compare the exact models, understand what the 7000 adds, and check timer, accessory, and prescription details before ordering.
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TENS 3000 vs. TENS 7000: Which Should You Choose?
Choosing between TENS 3000 and TENS 7000? Compare the exact models, understand what the 7000 adds, and check timer, accessory, and prescription details before ordering.

Analog vs. Digital TENS Units: Dials, Displays & Controls
A digital TENS unit can still have intensity knobs, and an analog model can be rechargeable. Compare the controls, adjustable settings, and daily handling tasks that matter before choosing a device.

Primera 77615 vs 77630: Professional vs OTC TENS/NMES for Insurance, Home Use & Travel
If a physical therapist recommended the Chattanooga Primera TENS/NMES with HAN Waveform after a work injury, you may encounter two part numbers when it is time to order:

TENS is Not Helping For My Back Pain — Which Unit Should I Consider?
If you have already given TENS a reasonable trial and it provides little or no meaningful pain relief, our first recommendation would not be to simply purchase another TENS-only machine.

TENS Modes Explained | Burst, Normal, Modulation, SD1 & SD2
Burst, Normal, Modulation, SD1, and SD2.

Balego TENS vs. TENS 7000: Which Should You Choose?
Both are portable, dual-channel TENS devices, but their documented programming differs. Compare the Balego TENS BAL820 with the TENS 7000 before choosing a kit or replacing an older unit.
