SereneLife SLFTRD26BT Electric Treadmill

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SereneLife SLFTRD26BT

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265 lbs1.0 HP,
0.6 - 6.0 MPH
4 levels
12 programs,
3 goals,
FitShow app
Kinomap app

The SereneLife SLFTRD26BT is one of the treadmills released in 2020. It’s a rather basic treadmill made for home use, but does have features like Bluetooth connectivity and is compatible with the Kinomap and Fitshow apps. It’s similar to the SLFTRD25 model, but its running surface is slightly shorter, and the incline feet offer four adjustment positions rather than three.

Key Features and Specifications

  • Assembled dimensions: 50.7L x 24.4W x 46.6H inches (129L x 62W x 118H cm)
  • Running surface: 39.3L x 15.7W inches (100L x 40W cm)
  • Assembled weight: 59.5 lbs (27 kg)
  • Supported weight: 265 lbs (120 kg)
  • Motor: 1.0 HP, 0.6 – 6.0 MPH
  • Incline: Manual, 4 levels
  • Console: 12 programs, Bluetooth, compatible with the FitShow and KinoMap apps
  • Extras: Sound system, device holder, accessory trays

Frame construction

The SereneLife SLFTRD26BT treadmill features a steel frame. It combines oval, rectangular, and cylindrical tubes in its construction for improved aesthetics. The base frame of the running platform is painted gray, while the rest of the steel tubes have a black paint finish.

The machine also integrates several plastic parts. For example, the motor cover, the console dashboard, and the side rail covers are made from a durable thermoplastic material. They’re also black to match the rest of the treadmill.

The SLFTRD26BT is not a heavy fitness machine. Its net weight is only 59.5 lbs (27 kg) so it can be carried and assembled by only one person. Also, the front base frame is equipped with a set of small wheels, so the unit can be relocated even easier once it is assembled.

The treadmill is fairly small. With all the parts assembled, it is only 50.7″ (129 cm) long, and 24.4″ (62 cm) wide. Its highest point is the top of the console which reaches approx. 46.6″ (118 cm) above the floor level.

The unit is also foldable. Its deck can be folded up in case you need to save some space. This is also a plus for when you need to vacuum or clean underneath it. With the deck folded up, the treadmill’s footprint is reduced to 21.65″D x 24.4″W (55 x 62 cm), while its height remains roughly the same. The folding mechanism uses a hydraulic cylinder which slowly lowers the deck when you unfold it.

Deck construction

The SereneLife SLFTRD26BT treadmill offers a fairly small running surface. Its active area is only 39.3″ (100 cm) long, and 15.7″ (40 cm) wide. This being said, it is not recommended for users taller than 6’1″ (185 cm). Also, the deck is rated for a maximum user weight limit of 265 lbs (120 kg) which is not bad for a home-use machine.

The treadmill is equipped with a multi-layered belt. Its top layer is rubberized and has a textured surface in order to provide a superior grip for any type of running shoe. The inner layers add to the overall shock absorption and noise reduction, while the bottom layer is meant to stick well to the rollers to prevent belt slippage.

Although the deck of the SereneLife SLFTRD26BT does not have large cushioning elements visible on its sides, like the OMA Fitness 5925CAI treadmill, for example, it does integrate several cushioning elements. Needless to say, these reduce some of the impact of the ride which results in less workout-related joint pain. The cushions are fairly small and concealed by the side rail covers.

The exact diameter of the internal rollers is not specified. However, since it’s a small treadmill, they’re not too thick as the ones integrated into the decks of commercial treadmills. They do have a crowned design, though, in order to provide a prolonged lifespan for the belt. They also have high-grade internal ball bearings for a smooth belt motion.

Incline system

Similar to the SereneLife SLFTRD20 model, the SLFTRD26BT treadmill is equipped with a manual incline system. This means that you cannot adjust the incline from the console. Also, in order to adjust the incline, you have to pause your workout.

The incline system has a pretty simple and straightforward design. It consists of two adjustable feet attached to the rear part of the deck. Each one has four adjustment holes and you can select the desired angle for each one of them via a metallic pull-pin.

The incline percentages are not specified, but they are roughly 6.5%, 8%, 10%, and 12%. This being said, with the pins inserted into the highest holes, the machine’s deck is not perfectly horizontal. Also, it’s important to mention here that you have to select the same incline position on each rear foot, otherwise the machine will wobble.

Last but not least, the deck step-up height is approx. 6.5″ (17 cm) when the rear incline feet are unfolded (or locked in the highest position). Therefore, to avoid any inconveniences, it is recommended to use this treadmill in a room with a ceiling that is at least 10″ (25 cm) higher than your own height.

Drive motor

The SereneLife SLFTRD26BT treadmill is an electric treadmill. Therefore, it must be connected to an external power source so you can start-up the console and adjust the speed of the belt. The machine is rated for a voltage of 120V / 60 Hz and a power cord is included with it.

The machine is equipped with a 1.0 HP motor. Evidently, it’s not a super-powerful motor as the ones equipped on the commercial-grade treadmills but it should perform pretty well for the specs of the machine. It also integrates a small flywheel for superior motion stability.

The unit’s motor offers 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 when you increase or decrease the speed. The console has +/- controls for gradual speed adjustment, as well as pre-set speed controls for 3 MPH, 4 MPH, and 5 MPH.

The machine’s motor doesn’t generate too much noise. However, depending on your weight, your running shoes, running technique, and other factors, your cadence may generate more or less noise. Also, since the machine has a 1.0 HP motor, its power consumption is approx. 735 Watts per hour. Thus, even if you will be using it for a few hours daily, it shouldn’t add more than a few dollars to your monthly electricity bill.


The SereneLife SLFTRD26BT treadmill features a 3-inch display console (with LED backlight) that tracks time, speed, distance, calories, and pulse. It does not have a step count function. Also, the calorie consumption displayed by the console is constant, regardless of the selected incline (evidently, with a higher incline you should burn a few extra calories).

The console unit shows the speed and distance in British Imperial units (MPH and miles). You cannot set them to metric units. The pulse reading function is grip-only. In other words, the console can only track your pulse if you hold on to the integrated sensors. It cannot read pulse from a wireless heart rate chest strap.

The console has 12 pre-set workout programs. Each program has its own segment grid engraved on the console. They have pretty random layouts. None of them has equal intervals. Each program can be selected from the “Prog” button. Also, the console offers the possibility to set workout goals for time, distance, and calories.

The console also has Bluetooth connectivity. Therefore, you can sync it with your phone via apps such as Kinomap or Fitshow. With these apps, you can track your progress online, benefit from extra programs, as well as other features like running on a virtual path.

Last but not least, the console has a set of speakers. These also sync with your phone or tablet via Bluetooth. Thus, you can play your music through the console, for a slightly better sound quality.

Assembly and Maintenance

The machine’s running platform with the belt, rollers, and motor comes pre-assembled. You only need to secure the two upright bars and the console in their positions. This shouldn’t take more than 30 minutes of your time. The manual provides clear assembly instructions and all the necessary tools are included.

For maintenance, the belt requires periodic lubrication (a bottle of lubricant is included). The manual provides instructions on how and when to lubricate the belt. Other than this, you only have to keep the machine clean and periodically check for loose bolts and parts.

The Pros

  • Pretty solid deck – can support users up to 265 lbs;
  • Folding deck with soft-drop mechanism;
  • Transport wheels included;
  • Manual incline – 4 levels;
  • Pulse sensors integrated into the handrails;
  • Speed adjustment increments of 0.1 MPH so you can easily adapt your pace;
  • Quick selection speed controls for 3, 4, 5, and 6 MPH;
  • Low power consumption;
  • LED-backlit display;
  • 12 preset workout programs;
  • Goal settings for time, distance, and calories;
  • Sound system included;
  • Bluetooth connectivity and compatibility with the FitShow and Knomap apps;
  • Tablet holder included;
  • Bottle holders built in the dashboard;
  • Easy to assemble;
  • All the necessary tools for assembly are included;
  • Little maintenance required.

The Cons

  • Small running surface;
  • The speakers are not exactly the best.


The SereneLife SLFTRD26BT is a treadmill made for home use. It features a 1.0 HP motor with a speed range of 0.6 – 6.0 MPH, a 4-level manual incline system, and a console with 12 pre-set programs. Its console is also Bluetooth-enabled and you can sync it with apps such as Kinomap and FitShow. In all, it’s a small and affordable machine, made for walking or light jogging.

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