SereneLife SLFTRD18 Smart Treadmill

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SereneLife SLFTRD18

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265 lbs1.0 HP,
0.6 - 6.0 MPH
N/A12 programs,
2 goals,
FitShow app

The SereneLife SLFTRD18 is one of the treadmills released in 2018. It’s similar to the SLFTRD20 model that we’ve already covered here but it lacks the manual incline elements and has a simpler console. It’s a light-capacity treadmill designed for walking and jogging.

Key Features and Specifications

  • Assembled dimensions: 49.6L x 24W x 51.2H inches (126L x 61W x 130H cm)
  • Tread belt dimensions: 39.3L x 13.4W inches (100L x 34W cm)
  • Assembled weight: 57.3lbs (26 kg)
  • Supported weight: 265 lbs (120 kg)
  • Motor: 1.0 HP, 0.6 – 6.0 MPH
  • Incline: N/A
  • Console: 12 programs, Bluetooth, FitShow app compatible
  • Extras: Device holder, accessory holders
  • Warranty: 1 year limited

Frame construction

The SereneLife SLFTRD18 features a steel frame. The base frame is made of rectangular steel tubing, the two upright bars are oval-shaped, while the console supporting bar, and the front base frame are made of cylindrical tubing. All the steel bars in the machine’s construction are coated with a rust-resistant paint finish. The color used is black, this being the only color available for this treadmill, at least for the moment.

The fully assembled unit is not too large. It is approx. 49.6″ (126 cm) long, and 24″ (61 cm) wide, while its highest point is given by the top of the console which reaches approx. 51.2″ (130 cm) above floor level. It is recommended, though, to leave at least three feet of clearance at the rear of the deck, and two feet of clearance on each side of it for safe usage and ease of access.

The treadmill has a folding design. The deck can be folded and locked in an upright position. This can be a plus if you don’t have too much space to keep the machine in its usage position all the time. It’s also great to have for vacuuming under the deck as you won’t have to hold it up yourself. The folding mechanism has a hydraulic cylinder that facilitates the unfolding of the deck, lowering it slowly to prevent damage.

This SereneLife treadmill is also pretty light. Its net weight is 57.3 lbs (26 kg), so it can easily be carried and assembled by only one person. Plus, once it is assembled, it is even easier to move as its front base has a set of small wheels.

Deck construction

As we’ve mentioned above, the SereneLife SLFTRD18 lacks the manual incline elements. It actually does not have any form of incline. Instead of the two folding rear feet, it has two adjustable levelers with large rubber pads for improved stability. It’s important to mention, though, that its deck is not perfectly horizontal. It has by default a few degrees of incline. This adds a bit of extra difficulty to the ride.

The machine offers a walking surface of 39.3″L x 13.4″W (100 x 34 cm). Evidently, it’s not a super large usage area, but still, for walking and light jogging, it should be able to accommodate users up to at least 6’2″ (188 cm), allowing a normal range of motion.

The belt has a multi-layer structure with the top layer rubberized and textured for an improved grip. The side rail covers also have rubber sheets on top to provide a secure footing when you want to have a break without pausing the machine. The rollers have a crowned design for improved traction and to prolong the lifespan of the belt. They are equipped with sealed ball bearings for a smooth motion.

Since it’s a rather basic treadmill made for home use, the deck of the SereneLife SLFTRD18 does not have any cushioning elements. However, its deck board does offer a bit of flex, so a walk or jog on this treadmill is definitely more forgiving on your joints than a walk or jog on asphalt. It is also durable enough to support users up to 265 lbs (120 kg).

Last but not least, the deck height is approx. 6″ (15 cm). Therefore, it is recommended to use the machine in a room with a ceiling that is at least 10″ (25 cm) higher than your own height.


The SereneLife SLFTRD18 treadmill is definitely not a machine made for high-speed or high-intensity training. Thus, its motor is not super powerful. It is a 1.0 HP motor featuring a small flywheel for motion stability.

The unit’s motor provides a speed range between 0.6 MPH and 6.0 MPH. The speed adjustment increments are 0.1 MPH, so you can easily adjust your pace. The console offers controls for gradual speed adjustment, but also for the quick selection of 2 MPH, 3 MPH, 4 MPH, and 5 MPH.

The console also has several pre-set workout programs that adjust the speed automatically if selected. The speed adjustment increments used by the console programs are 0.5 MPH. However, the transition is still pretty smooth, so you will get plenty of time to adjust your pace.

Since the treadmill is equipped with a light-capacity motor, you won’t have to worry about high electricity bills. Also, the noise level generated by the motor is pretty low. But your cadence can still be heard especially if using the highest speed setting and depending on your running technique, footwear, weight, and other factors.


The SereneLife SLFTRD18 treadmill is equipped with a rather simple console. It features an LCD display with LED backlight divided into several sub-sections in order to show as many workout metrics as possible at once. It tracks time, distance, speed, calories, and pulse. The distance is shown in miles, and the speed is shown in MPH. The pulse reading function is grip only. In other words, the console can only read your pulse if you hold on to the sensors integrated into the handlebars. It cannot read pulse from a wireless HR chest strap.

The console has 12 pre-set programs. These have various segment layouts and target different workouts. Evidently, when a program is in use, the machine will automatically adjust the speed of the belt, depending on the current segment of the workout. You can also select workout targets for distance and time.

The machine’s console also has Bluetooth connectivity and is compatible with the FitShow app, available for Android and iOS. Therefore, you can install this app on your smartphone so that the treadmill can send your workout data to it. This way, you can keep track of your progress, run on a virtual trail, review workout history, etc.

The console doesn’t have speakers, a cooling fan, a USB port, or other fancy features. However, its dashboard does integrate two compartments in which you can store various small accessories or bottle holders. A device holder is also included with the machine.

Assembly and Maintenance

The machine’s deck with the motor, rollers, transmission belt, and other elements, comes pre-assembled. Thus, for the assembly, you only need to attach the two upright bars and the handlebar with the console. This shouldn’t take more than 30 minutes of your time. The task is fairly simple and the manual provides clear assembly instructions. Also, all the necessary tools are included.

For maintenance, deck lubrication is necessary after the first 25 hours of use, and then after every 50 hours of use. A bottle of lubricant is included with the machine. Other than this, it is recommended to keep the machine clean, especially the belt, and periodically check for loose bolts and parts.

The Pros

  • Sturdy construction – 265 lbs (120 kg) weight limit;
  • Compact design;
  • Folding deck with soft-drop mechanism;
  • Transport wheels included;
  • Speed range between 0.6 and 6.0 MPH;
  • Speed adjustment increments of 0.1 MPH;
  • Quick selection speed controls for 2, 3, 4, and 5 MPH;
  • Low power consumption;
  • LED-backlit display;
  • 12 preset workout programs;
  • Target settings for time and distance;
  • Bluetooth connectivity and compatibility with the FitShow app for workout history tracking;
  • Tablet holder included;
  • Bottle holders built-in the dashboard;
  • Pulse reading function;
  • Easy to assemble;
  • All the necessary tools for assembly are included;
  • Lubricant for the deck is included;
  • Little maintenance required.

The Cons

  • No incline function;
  • No USB charging port.


The SereneLife SLFTRD18 is a walking and jogging treadmill designed for home use. It is equipped with a 1.0 HP motor offering a speed range of 0.6 – 6.0 MPH. It offers a walking surface of 39.3″L x 13.4″W and a Bluetooth console compatible with the FitShow app and 12 pre-set programs. It’s an affordable machine, great for light to medium-intensity workouts, muscle toning, interval training, stamina development, and weight loss.

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