The Sunny Energy Flex Motorized Auto Incline Smart Treadmill is a compact model designed for home use. With features like auto incline, cushioned deck, and app connectivity, it provides a practical option for everyday walking or running routines.
Smart Auto Incline Makes It Easier
Seamlessly shift intensity with 15 motorized levels—up to 12% incline—at the touch of a button. No bending or pausing your stride.
Cushioned Comfort for Every Step
Dual-deck shock absorption is designed to reduce impact compared to standard treadmill decks, supporting a smoother stride experience.
Tap-to-Change Speed Instantly
Four handy buttons let you snap between common speeds (2, 4, 6, 8 MPH) quickly—without a pause.
Track Progress in Real Time
The digital monitor shows distance, time, speed, steps, incline, pulse, and more. You stay informed—without distractions.
Stay Connected via Bluetooth
Sync with the SunnyFit app for guided workouts, scenic routes, and lively community challenges—all from your treadmill.
Smart Folding Design
The soft-drop hydraulic system and transport wheels make folding it down—or back up—effortless and safe. Ideal for limited space.
Built for Everyday Use
A solid motor, thoughtful cushioning, and a reliable structure that supports up to 275 lb.
You’re greeted by a clear, bright console—friendly and straightforward. It includes:
16 preset programs for a variety of pacing—tune into what suits you.
3 personal program slots when you want something more tailored.
Quick access buttons to adjust speed and incline in a heartbeat.
The console provides quick access to 16 preset programs, 3 user slots, and clear adjustment buttons for speed and incline.
Sunny Energy Flex motorized treadmill (SF-T7724SMART)
Assembly hardware and instruction guide
Safety clip, water bottle holder, device holder
Access to the SunnyFit app with its full range of workouts and routes
Motor Power: 2.5 peak HP
Speed Range: 1–10 MPH
Incline: 15 levels (auto, up to approximately 12%)
Deck Size: 50.8″ × 18.1″ running surface
Folded Size: 43.3″ L × 29.9″ W × 57.9″ H | Weight: 125.7 lb
Max User Weight: 275 lb
Can I follow a program or scenic walk?
Yes. Pair your device via Bluetooth to access the SunnyFit app, which includes guided workouts, scenic routes, and performance tracking.
Will it support someone taller or heavier?
Yes. The treadmill supports users up to 275 lb, and the belt dimensions are designed to accommodate a variety of body types.
How does the folding feel?
Smooth and safe—soft-drop hydraulics and wheels let you store it without fuss or strain.
Structural Frame: 3 years
Treadmill Motor: 1 year
Other Parts & Components: 180 days
Free Shipping: We offer free shipping on all outbound orders.
Return shipping costs are the customer’s responsibility unless the item is defective or incorrect. Please view our Return Policy for more information
Delivery Area: We currently ship within the United States
Processing Time: Orders are processed within 1-3 business days, Monday to Friday.
Cut-off Time: Orders placed before 5:00 pm Central Standard Time begin processing time the same business day. Orders after will begin processing the next business day
No Shipping Days: Orders are not processed on weekends or public holidays.
Estimated Shipping Times: Orders typically arrive within 1-7 business days (Monday-Friday) after processing, depending on the destination.
For Products ordered under 150lbs
Delivered to your doorstep or driveway
Transit time: 1–7 business days
Tracking number provided
For large/heavy items (150+ lbs)
Delivered curbside with a liftgate
Appointment and adult signature required
Products are not brought inside or upstairs
Orders are processed within 1–3 business days (Monday–Friday).
Orders placed before 5:00 pm CST begin processed the same business day; those placed after begin processing the next business day.
Orders are not processed on weekends or public holidays.
Orders arrive within 1–7 business days (Monday–Friday) after processing, depending on destination.
Total timeline: 2–10 business days from the date you place your order.
For full details, please see our Shipping Policy
Return Period: 30 days from delivery date.
Refund Processing: Within 10 business days from receipt.
Return Shipping: Covered by the customer unless the product is defective or incorrect.
Restocking Fees: We do not charge restocking fees.
For full details, please see our Return & Refund Policy
Shipping is available to all 50 U.S. states, including Alaska and Hawaii. We do not ship International
We accept the following methods:
For details, please see our Payment Policy
You can reach our customer service team
sales@primal-fitness.shop
+1 (615) 568-8943
Mon-Sat: 9AM - 5PM CST
Live Chat: On the bottom right of your screen, you can reach out to one of our support agents during business hours
The Sunny Energy Flex Motorized Auto Incline Smart Treadmill is a compact model designed for home use. With features like auto incline, cushioned deck, and app connectivity, it provides a practical option for everyday walking or running routines.
Smart Auto Incline Makes It Easier
Seamlessly shift intensity with 15 motorized levels—up to 12% incline—at the touch of a button. No bending or pausing your stride.
Cushioned Comfort for Every Step
Dual-deck shock absorption is designed to reduce impact compared to standard treadmill decks, supporting a smoother stride experience.
Tap-to-Change Speed Instantly
Four handy buttons let you snap between common speeds (2, 4, 6, 8 MPH) quickly—without a pause.
Track Progress in Real Time
The digital monitor shows distance, time, speed, steps, incline, pulse, and more. You stay informed—without distractions.
Stay Connected via Bluetooth
Sync with the SunnyFit app for guided workouts, scenic routes, and lively community challenges—all from your treadmill.
Smart Folding Design
The soft-drop hydraulic system and transport wheels make folding it down—or back up—effortless and safe. Ideal for limited space.
Built for Everyday Use
A solid motor, thoughtful cushioning, and a reliable structure that supports up to 275 lb.
You’re greeted by a clear, bright console—friendly and straightforward. It includes:
16 preset programs for a variety of pacing—tune into what suits you.
3 personal program slots when you want something more tailored.
Quick access buttons to adjust speed and incline in a heartbeat.
The console provides quick access to 16 preset programs, 3 user slots, and clear adjustment buttons for speed and incline.
Sunny Energy Flex motorized treadmill (SF-T7724SMART)
Assembly hardware and instruction guide
Safety clip, water bottle holder, device holder
Access to the SunnyFit app with its full range of workouts and routes
Motor Power: 2.5 peak HP
Speed Range: 1–10 MPH
Incline: 15 levels (auto, up to approximately 12%)
Deck Size: 50.8″ × 18.1″ running surface
Folded Size: 43.3″ L × 29.9″ W × 57.9″ H | Weight: 125.7 lb
Max User Weight: 275 lb
Can I follow a program or scenic walk?
Yes. Pair your device via Bluetooth to access the SunnyFit app, which includes guided workouts, scenic routes, and performance tracking.
Will it support someone taller or heavier?
Yes. The treadmill supports users up to 275 lb, and the belt dimensions are designed to accommodate a variety of body types.
How does the folding feel?
Smooth and safe—soft-drop hydraulics and wheels let you store it without fuss or strain.
Structural Frame: 3 years
Treadmill Motor: 1 year
Other Parts & Components: 180 days
Free Shipping: We offer free shipping on all outbound orders.
Return shipping costs are the customer’s responsibility unless the item is defective or incorrect. Please view our Return Policy for more information
Delivery Area: We currently ship within the United States
Processing Time: Orders are processed within 1-3 business days, Monday to Friday.
Cut-off Time: Orders placed before 5:00 pm Central Standard Time begin processing time the same business day. Orders after will begin processing the next business day
No Shipping Days: Orders are not processed on weekends or public holidays.
Estimated Shipping Times: Orders typically arrive within 1-7 business days (Monday-Friday) after processing, depending on the destination.
For Products ordered under 150lbs
Delivered to your doorstep or driveway
Transit time: 1–7 business days
Tracking number provided
For large/heavy items (150+ lbs)
Delivered curbside with a liftgate
Appointment and adult signature required
Products are not brought inside or upstairs
