Merax JK1603E Folding Electric Treadmill Review – Pros & Cons (2018)

Merax JK1603E Folding Electric Treadmill is one of the cheapest treadmills in the market available at an unbelievable price. It has all the crucial features required for an efficient workout. It is equipped with 1.5 HP motor which provides consumer with a speed range from 0.62 to 6.2 mph. It offers three manually levels of incline of 1.38 degrees, 2.66 degrees and 4.16 degrees. It has a Built-in LCD where you can keep track of your workout progress like time, speed, distance, calories burned and pulse rate. It is also equipped with a safety emergency stop key that will turn off the treadmill in case of accident or any emergency.

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It has 3 built-in programs for low intensity to high intensity cardio workout, 2 of them are predefined and 1 program can be customized based on your needs. Its dimensions are 58” L x 25 W” x 45” H and when it’s folded, the length decreases to 25” making it a compact sized treadmill, ideal for small home and apartment. Its bottom is equipped with transportation wheels which provide ease in moving it around.

  • This treadmill has a folding design and can easily be folded and stored after workout.
  • Although the motor is low powered (500W) but it is low noise motor which doesn’t creates much noise during the workout and you can enjoy watching TV while working out on this treadmill.
  • Offers heart rate monitoring option through dual hand grip sensors.
  • Ensures your full safety with safety emergency stop key.
  • Light weight treadmill (70 lb) which comes with transportation wheels, making it easier to move it around.
  • Merax JK1603E Treadmill is equipped with all the crucial features that a treadmill must have i.e. 3 pre-defined workout programs, built-in LCD display, 3 level inclination, heart rate monitoring, cushioned deck, 2 cup holders etc,.  These features combined with the cheap price makes it an ideal choice for people who have a short budget or are looking to start-up workout.

  • Merax JK1603E Treadmill has a low powered motor of 500 watt which provides consumer with speed range from 0.62 mph – 6.2 mph, which is only effective for walking or jogging but not enough for serious runners who want to intensify their workout to the next level.
  • The treadmill has small running area of dimensions 16” width and 44” length which may create problem for tall people and serious runners seeking more spacious running area.
  • It comes with short warranty period, 1-year warranty for the motor and frame.

  • Quiet Motor

This running machine is equipped with a quiet 1.5 HP motor of 500 watt power. Hence, the machine creates less noise and you can easily enjoy watching TV while you’re working out.

  • Folding Treadmill

This treadmill can easily be folded manually, making it a space saver and an ideal choice for people with small home or apartment.

  • 3 Built-in Programs

It comes with 2-predefined programs and 1-customizable program which can be customized from the control panel provided on the treadmill. 2-predefined programs alternate between high and low intensity recovery periods to help improve your aerobic capacity and continue to burn calories even after your workout has been finished.

  • Speed Range

Merax JK1603E Treadmill has a speed range from 1-10 KM/H or 0.62-6.2 MPH. Which provides consumers with a fast walk and jogging experience to achieve their fitness goals.

  • 3 Level Manual Inclination

In spite of such a low price, Merax JK1603E provides consumer with the luxury for high intensity workout with 3 manually positioned levels of incline which need to be set manually.

  • Hi-tech safety features

Merax JK1603E Treadmill is equipped with safety emergency stop key which is attached to the body and machine. The treadmill automatically shuts off whenever the key is disconnected, enabling you to workout safely without any fear of being imbalanced or tripping over.

  • Heart Rate Monitoring

You can easily monitor your heart rate by using the dual hand pulse grip sensors provided on the handlebars.

  • Built-in LCD Console

Merax JK1603E Treadmill is equipped with compact sized LCD which helps you to monitor your progress in terms of heart rate, distance, time, speed and also provides you with programs switching options for lower to higher cardio workout.

  • Cushioned Deck

This treadmill has an excellent cushioned running deck which reduces the impact of workout on joints, knees, ankles and muscles for quick recovery after workout session and also enables you to work out for longer period of time.

  • Light Weight

Merax JK1603E Treadmill weights about 70 lb which is quite light as compared to other treadmills and can easily be moved around by a single person.

  • Transportation Wheels

The treadmill bottom is equipped with transportation wheels which provide greater ease in moving the treadmill around.

  • Motor: 1.5 HP.
  • Incline: Three incline positions.
  • Speed: 0.62-6.2 mph.
  • Dimensions: 58″ L x 25″ W x 45″ H.
  • Folding: Yes.
  • Running Area: 14″ W x 44″ L.
  • Max. User Weight: 220 lbs.
  • Treadmill Weight: 70 lbs.


There are numerous benefits of having Merax JK1603E Treadmill, one among them is that you can enjoy an efficient workout daily and if you’re looking for an intensive workout, you can manually adjust the inclination. Plus, the 3 built-in programs let you decide which sort cardio workouts are you interested in and if they are in accordance with your fitness goals. Furthermore, available at unbelievable cheap price with all the necessary features, this machine could prove to be an experiment for you in the context that if treadmills are in accordance to your fitness goals or you really need to join a gym!.

Final Verdict: MERAX JK1603E Treadmill

If you’re looking to start-up workout, not necessarily seeking for harsh workout and if you are short on budget, Merax JK1603E Treadmill is just the right choice for you. This machine comes with all the necessary features crucial for effective workout. It is a compact sized treadmill which is foldable and is equipped with roller wheels making it an ideal choice for people who have small homes or apartment. But, if you’re obese weighing more than 220 lb and have a height of 5ft 10” or taller, this is not the right machine for you.

What We Like?

  • Folding Design.
  • Quiet motor.
  • Available at an affordable price with all necessary features.
  • Heart rate monitoring.
  • Safety emergency stop key
  • Light weight & easily movable.
  • Comfortable Cushioning.
  • Compact size.
  • Occupies less space.

What We Don’t Like?

  • Small running deck.
  • Short warranty.


All in all, if you are an average heighted person with weight of 220 lb or below and looking for cheap treadmill with high-end features to fulfill your need of walking or jogging, Merax JK1603E is the one for you. Because, it is cheap but incorporates all high level functionality as that of upper class treadmills. Plus, the size is compact and treadmill is lighter making it an ideal choice for you if you have an apartment or small home because it occupies less space and can easily be folded and stored after use. Other than that, the cushioning deck reduces the impact on joints, knees and ankles so you can work out for prolonged period and pursue your fitness goals.