--- product_id: 46613339 title: "iStim Tens Unit Stimulator Machine - EV820 with 8 Electrodes Japanese Gel for Pain Management, Back Pain and Rehabilitation" brand: "istim" price: "€ 71.55" currency: EUR in_stock: true category: "I Stim" url: https://www.desertcart.gr/products/46613339-istim-tens-unit-stimulator-machine-ev820-with-8-electrodes-japanese store_origin: GR region: Greece --- # 2-channel digital TENS tech 5 modes & 12 preset programs Premium SEKISUI Japanese gel pads iStim Tens Unit Stimulator Machine - EV820 with 8 Electrodes Japanese Gel for Pain Management, Back Pain and Rehabilitation **Brand:** istim **Price:** € 71.55 **Availability:** ✅ In Stock ## Summary > ⚡ Zap pain, not your lifestyle — relief that keeps you moving! ## Quick Answers - **What is this?** iStim Tens Unit Stimulator Machine - EV820 with 8 Electrodes Japanese Gel for Pain Management, Back Pain and Rehabilitation by istim - **How much does it cost?** € 71.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/46613339-istim-tens-unit-stimulator-machine-ev820-with-8-electrodes-japanese) ## Best For - istim enthusiasts ## Why This Product - Trusted istim brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual-Channel Precision:** Target multiple pain points simultaneously with 2 independent channels for customized relief. - • **Versatile Therapy Modes:** Choose from 5 TENS modes and 12 preset programs tailored for chronic and acute pain management. - • **Premium Japanese Gel Pads:** Experience superior conductivity and skin comfort with biocompatible SEKISUI gel electrodes. - • **Clinically Approved & Safe:** 510K FDA-approved, drug-free pain relief device trusted by professionals and safe for daily use. - • **FSA/HSA Eligible & Ready-to-Go:** Comes complete with 8 electrodes, battery, and accessories—eligible for flexible spending accounts. ## Overview The iStim EV-820 is a compact, FDA-approved TENS unit featuring dual channels, 5 therapy modes, and 12 preset programs. Equipped with premium SEKISUI Japanese gel electrodes, it delivers safe, drug-free pain relief for back pain, muscle tension, and rehabilitation. Lightweight and FSA/HSA eligible, it’s designed for professional-grade pain management anytime, anywhere. ## Description Buy iStim Tens Unit Stimulator Machine - EV820 with 8 Electrodes Japanese Gel for Pain Management, Back Pain and Rehabilitation on desertcart.com ✓ FREE SHIPPING on qualified orders ## Features - TENS: "Transcutaneous Electrical Nerve Stimulation"- a safe, non-invasive, drug free method of pain relief used by Physical Therapists and professional Doctors for over decades. By delivering stable pulses to the skin to stimulate nerve fibers, Tens unit could effectively block the pain signal to people’s brain. At the same times, increases natural endorphins, which is a natural pain reliever. In many cases, the reduction or elimination of pain lasts longer than the actual period of stimulation. - iStim EV-820: Digital TENS stimulator device comes with 2 channels, 5 TENS modes and 12 preset programs, sending comfortable impulses through the skin that stimulate the nerve fibers in the treatment area. Effectively Block the pain signal to your brain! Safe and highly effective stimulation helps for treating chronic or acute pain (e.g. shoulder tension, back pain, arthritic, knee pain) and provides muscle relaxation and muscle strengthening. - Japanese electrode pads: High-grade, and biocompatible SEKISUI Japanese gel, which facilitates efficient conducting of the electrical stimulator’s current to the patient’s skin in a dispersed manner. 100% SEKISUI Japanese Gel is the harmless ingredients and the best fit for even sensitive skin users. Use the iStim EV-820 with our best electrodes, making your every pain relief treatment more effective with perfect and comfortable experience [NOTE: DO NOT USE Extra Electrode Gel] - APPROVAL: Approved for the pain relief product. No prescription needed. Safe, All-Natural, Drug Free and Long-Lasting Pain Relief. 510K approved for OTC use and safety regulations (IEC60601-1, IEC60601-1-2 EMC) certified. Made in Taiwan. - INCLUDING: Tens Unit x 1; Electrode Pads x 8; Lead Wires x 2 ; Instruction Manual x 1; Quick Guide x 1; 9V Battery x 1 [NOTE: DO NOT USE EXTRA ELECTRODE GEL!!] - FSA/HSA Eligible: This product qualifies as FSA/HSA eligible, meaning you can use your flexible spending or health savings account to purchase it. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0725CL4R9 | | Batteries | 1 9V batteries required. | | Best Sellers Rank | #118,938 in Health & Household ( See Top 100 in Health & Household ) #266 in Muscle Stimulators & Accessories | | Customer Reviews | 4.5 4.5 out of 5 stars (1,531) | | Date First Available | May 4, 2017 | | Item model number | YYOJ043 | | Manufacturer | Everyway4all | | Product Dimensions | 3.98 x 2.4 x 0.96 inches; 1.01 pounds | ## Images ![iStim Tens Unit Stimulator Machine - EV820 with 8 Electrodes Japanese Gel for Pain Management, Back Pain and Rehabilitation - Image 1](https://m.media-amazon.com/images/I/610ESjkLvJL.jpg) ## Questions & Answers **Q: What's the difference between this machine and the one that sells for over $200 in Amazon?** A: I have the 7000 unit and have worked with this one. Both are great. A good unit should not cost at max more than $60 if it has a few extra accessories. **Q: What size are the lead wire connectors, the pieces that connect the 2 sets of wires together? Its usually in mm?** A: I searched the pamphlet that came with the TENS unit, but I could not find the measurement. I am a nurse and see that the wire end is 1 mm and the electrode lead receiver is 4mm. **Q: How much Amperage power does it have?** A: Pulse Amplitude: Adjustable, 0-100 mA peak into 500 ohm load •Wave Form: Asymmetrical Bi-Phasic Square Pulse •Size: 10.1cm(L) x 6.1cm(W) x 2.45cm(H) •Weight: 150 grams with battery. •Pulse Rate: Adjustable, from 2 to 150 Hz, 1Hz/Step •Pulse Width: Adjustable, from 50 to 300 microseconds, 10μs/step •Modes: B(Burst), N(Normal), M(Modulation), SD1(Strength Duration), SD2, P(P1-12) •Timer: Adjustable, from 5 to 60 minutes or Continuous. **Q: I have to wear the tens unit in the gym. Is this tens unit smaller enough to put in your pocket or a bag around your waist?** A: Hello, thank you for your questions and the device dim. 2.4x4x1 it should be fit your pocket or bag. I hope you enjoy this device in the gym:) ## Frequently Bought Together - iStim Tens Unit Stimulator Machine - EV820 with 8 Electrodes Japanese Gel for Pain Management, Back Pain and Rehabilitation - iSTIM Super Soft 2"x2" TENS Unit Electrodes for TENS Massage EMS - 100% Japanese Gel (2"x2"-16 Pieces) - iStim Super Soft 2"x2" TENS Unit Electrodes for TENS Massage EMS - 100% Japanese Gel (2"x4" - 16 Pieces) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/46613339-istim-tens-unit-stimulator-machine-ev820-with-8-electrodes-japanese](https://www.desertcart.gr/products/46613339-istim-tens-unit-stimulator-machine-ev820-with-8-electrodes-japanese) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-11*