---
product_id: 668550083
title: "iStim Tens Unit Stimulator Machine - EV820 with 8 Electrodes Japanese Gel for Pain Management, Back Pain and Rehabilitation"
brand: "istim"
price: "VT23674"
currency: VUV
in_stock: true
reviews_count: 5
category: "I Stim"
url: https://www.desertcart.vu/products/668550083-istim-tens-unit-stimulator-machine-ev820-with-8-electrodes-japanese
store_origin: VU
region: Vanuatu
---

# 2-channel digital TENS tech Premium Japanese SEKISUI gel pads 5 modes & 12 preset programs iStim Tens Unit Stimulator Machine - EV820 with 8 Electrodes Japanese Gel for Pain Management, Back Pain and Rehabilitation

**Brand:** istim
**Price:** VT23674
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your pain relief game — because your body deserves pro-level care!

## 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?** VT23674 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/668550083-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 Power:** Simultaneously treat multiple areas with independent channels for maximum efficiency.
- • **Complete On-the-Go Kit:** Includes 8 electrodes, carrying case, and quick guide for seamless daily use.
- • **Precision Pain Control:** Customize pulse width (50-300μs) & rate (2-150Hz) for targeted relief.
- • **All-Natural & Drug-Free:** Safe, non-invasive pain relief that boosts your body’s own endorphins.
- • **Clinically Trusted Tech:** 510K approved, IEC certified, used by professionals for decades.

## Overview

The iStim EV-820 is a compact, professional-grade TENS unit featuring 2 channels, 5 stimulation modes, and 12 preset programs. Equipped with high-quality Japanese SEKISUI gel electrodes, it delivers customizable, drug-free pain relief for chronic and acute conditions. Certified for safety and OTC use, this device offers a portable, easy-to-use solution trusted by healthcare professionals and ideal for daily muscle relaxation and rehabilitation.

## Description

IStim ev-820 is your ultimate solution for pain relief. It features 5 stimulation modes, 12 preset programs and adjustable pulse width, pulse rate and treatment timer. Just follow the manual and quick guide, then every user can be clear about this machine and incorporate it into your daily life without any problem iStim ev-820 is the most popular model of iStim Series, and it 's the basic one for the new user. So every function of iStim ev-820 is designed easy-to-use iStim ev-820 includes iStim ev-820 TENS unit x 1 , Electrodes Pads x 8 , lead wires x 2 , instruction manual x 1 , Quick guide x 1 , 9V battery x 1 , Sealable Bag x 1 and carrying case x 1 The 5 modes include Burst , Normal , Modulation , SD1 and SD2 . And the special mode includes( P1P12 ), please refer to the quick guide to use the proper program on the proper postion. Besides, large liquid display showing the mode name and all settings is ideal for users to check the setting at any time 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(S), 10S/step Programs : 5 stimulation modes of Burst(B), Normal, Modulation, Strength Duration 1(SD1)and Strength Duration 2(SD2)1 Special mode(including 12 programs from P1P12) Timer : Adjustable, from 5 to 60 minutes or Continuous. Battery : 9V Battery DO NOT USE extra Electrode Gel with electrode pads.

Review: Muy práctico, cubrió mis expectativas
Review: Everyone should have a Tens Unit on hand even if they don’t need it all the time . My right arm from my shoulder to my hand would go numb and hurt with a dull ache . My Doctor said it was from a bone spur in my neck . He tried injections in my neck , but said that if that didn’t help that it would probably require surgery to remove the bone spur. I wasn’t about that “ the injections helped for about a week “. Then I remembered that I knew someone that had a tens unit so I asked to borrow there’s . After only using the unit a couple of times , I could feel a remarkable difference in how my arm and shoulder felt . It worked so effectively that my pain completely disappeared to the point where I might every so rarely have to use the device . My only recommendation is to purchase some extra electrode pads .

## 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; Sealable Bag (For electrode) x 1; Carrying Case x 1 [NOTE: DO NOT USE EXTRA ELECTRODE GEL!!]

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0725CL4R9 |
| ASIN  | B0725CL4R9 |
| Batteries  | 1 9V batteries required. |
| Best Sellers Rank | #111,634 in Health ( See Top 100 in Health ) #300 in Muscle & Nerve Stimulators |
| Brand | iSTIM |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,456) |
| Customer reviews | 4.5 4.5 out of 5 stars (1,456) |
| Date First Available | 11 June 2019 |
| Is Discontinued By Manufacturer  | No |
| Item model number  | YYOJ043 |
| Manufacturer  | Everyway4all |
| Product Dimensions  | 10.1 x 6.1 x 2.45 cm; 458.13 g |
| Units | 1 Count |

## 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:)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***A on 11 September 2022*

Muy práctico, cubrió mis expectativas

### ⭐⭐⭐⭐⭐ Review
*by S***E on 18 December 2025*

Everyone should have a Tens Unit on hand even if they don’t need it all the time . My right arm from my shoulder to my hand would go numb and hurt with a dull ache . My Doctor said it was from a bone spur in my neck . He tried injections in my neck , but said that if that didn’t help that it would probably require surgery to remove the bone spur. I wasn’t about that “ the injections helped for about a week “. Then I remembered that I knew someone that had a tens unit so I asked to borrow there’s . After only using the unit a couple of times , I could feel a remarkable difference in how my arm and shoulder felt . It worked so effectively that my pain completely disappeared to the point where I might every so rarely have to use the device . My only recommendation is to purchase some extra electrode pads .

### ⭐⭐⭐⭐⭐ Review
*by H***W on 18 December 2017*

This is my first TENS machine to help with my muscle pains from work. For people not sure what this machines does Transcutaneous Electrical Nerve Stimulation is a non-invasive method of controlling pain by using tiny electrical impulses sent through the skin to nerves to modify pain perception which reduce or eliminate pain sensation for a short period of time. It does not fix the actual physiological problem. This Unit comes with everything you need to get started: a control unit, a battery, 2 lead wires, 8 electrode pads, instruction manual, and a electrode placement guide. Just follow through the instruction manual the unit is not hard to use even if you have never used one before. I used it for a few days with just 10-15 min each session. I noticed a relieve in intensity of pain after the sessions. It usually lasted for a few hours before the pain came back. I assumed by using a longer session the pain relief will last longer. Also during the second session I used lotion on my arm right before I used the TENS unit and forgot to clean skin and the electrodes gel lost adhesiveness. Next day the electrodes still stayed on but not as good as before. So before you place electrodes on your body make sure to clean it first as directed.

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-08*