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Ecotric 36V Fat Tire Folding Electric Bike 20" - Dolphin - UL Certified - C-DOL20LED-WB-Z

🏍 Goes Up To 20 MPH!

⏪ 30 Day Return Policy!

🚚 FREE Shipping in 2-3 Days!

📝 18-Month FULL Manufacturers Warranty!

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Original Price $939.99
Original Price $939.99 - Original Price $939.99
Original Price $939.99
Current Price $879.99
$879.99 - $879.99
Current Price $879.99

EcoTric Electric Bike Dolphin Folding Fat Tire  - EL Certified - White - C-DOL20LED-WB

Introducing the EcoTric 36V Fat Tire Folding Electric Bike 20" - Dolphin - UL Certified - C-DOL20LED-WB-Z, a sleek and stylish mode of eco-friendly transportation that combines the charm of dolphins with cutting-edge electric bike technology. With its distinctive fat tires and elegant curves, this bike is a true head-turner, offering both functionality and aesthetics in one package. Dive into the details of this exceptional e-bike, and discover how it can transform your daily commute or leisurely rides.

Powerful 500W Motor

At the heart of the EcoTric Dolphin Electric Bike is a robust 500W power motor. This high-performance motor ensures that you can effortlessly cruise through various terrains with ease. Whether you're navigating hilly landscapes or zooming along urban streets, this motor provides the perfect blend of power and efficiency. You'll experience swift acceleration and maintain a comfortable speed, allowing you to arrive at your destination faster while expending less effort.

The 500W motor also enables you to conquer inclines and tackle challenging uphill routes with confidence. Say goodbye to the struggles of traditional biking, as this electric bike's motor will provide the extra push you need to breeze through any elevation changes. Whether you're commuting to work, exploring scenic trails, or simply enjoying a leisurely ride, the power-packed motor of the EcoTric Dolphin ensures an enjoyable and efficient journey.

High-Capacity 12.5AH Lithium Battery

One of the standout features of the EcoTric Dolphin Electric Bike is its 12.5AH high-capacity lithium battery. This advanced battery technology ensures that you have an extended and uninterrupted riding experience. With a single charge, you can cover significant distances, making it an ideal choice for those who rely on their e-bikes for daily transportation or extended outdoor adventures.

The high-capacity battery also offers the advantage of quick and convenient charging. You won't have to wait around for hours to get back on the road. Whether you're commuting to work, running errands, or embarking on a weekend excursion, the dependable battery of the EcoTric Dolphin guarantees that you'll have the power you need when you need it most. Say goodbye to range anxiety and enjoy the freedom to explore your surroundings without limitations.

Foldable Upper Tube and Handlebar

Practicality meets innovation with the foldable upper tube and handlebar design of the EcoTric Dolphin Electric Bike. This feature sets this e-bike apart from the competition, making it incredibly versatile and convenient. Whether you have limited storage space or need to transport your bike in a compact form, the foldable upper tube and handlebar come to the rescue.

With just a few easy steps, you can fold down the upper tube and handlebar, reducing the bike's size significantly. This makes it effortless to store the EcoTric Dolphin in your apartment, office, or car trunk without taking up excessive space. Additionally, the foldable design makes it a breeze to transport your e-bike on public transportation or fit it into tight spaces.

Furthermore, the foldable upper tube and handlebar ensure that riders of varying heights can comfortably enjoy the EcoTric Dolphin. Adjust the bike to suit your preferred riding position and feel at ease during your journeys. Whether you're tall or short, this e-bike adapts to your needs, enhancing your overall riding experience.

Fat 20-Inch Tires for Superior Shock Absorption

The EcoTric Dolphin Electric Bike is equipped with fat 20-inch tires that are designed to provide exceptional shock absorption. These oversized tires offer several advantages, making your rides smoother and more enjoyable.

First and foremost, fat tires are renowned for their enhanced stability and traction. Whether you encounter rough terrain, gravel paths, or uneven city streets, you can count on these tires to keep you firmly planted on the ground. This added stability translates to improved control and confidence while riding, ensuring your safety at all times.

Moreover, fat tires excel at absorbing shocks and vibrations from the road. Bumps, potholes, and rough surfaces are no match for the cushioning capabilities of these tires. As a result, you'll experience reduced discomfort and fatigue during longer rides, allowing you to extend your adventures without worry.

The combination of fat tires and efficient shock absorption also contributes to a more comfortable and enjoyable ride. Whether you're commuting to work or exploring scenic trails, you'll appreciate the reduced impact on your body, making the EcoTric Dolphin an ideal choice for riders of all ages and fitness levels.

Portability and Long-Lasting Performance

The EcoTric 36V Fat Tire Folding Electric Bike 20" - Dolphin - UL Certified - C-DOL20LED-WB-Z offers the perfect blend of portability and long-lasting performance. Its foldable design ensures that you can take it with you wherever you go, whether you're traveling, commuting, or simply need to stow it away in a compact space.

Despite its convenient foldable features, this e-bike doesn't compromise on performance. The powerful 500W motor, combined with the high-capacity 12.5AH lithium battery, ensures that you have the necessary power and range to tackle various riding scenarios. Whether you need to conquer steep hills or cover long distances, the EcoTric Dolphin has you covered.

Additionally, the UL certification of this electric bike guarantees its safety and reliability. You can ride with confidence, knowing that your e-bike meets stringent safety standards. This certification is a testament to EcoTric's commitment to delivering high-quality and dependable products to its customers.

Sleek and Stylish Design

Beyond its exceptional features and performance, the EcoTric Dolphin Electric Bike boasts a sleek and stylish design that turns heads wherever you go. The dolphin-inspired curves and the pristine white finish make this e-bike a true work of art on wheels. Whether you're commuting through the city or embarking on a scenic countryside ride, you'll be riding in style.

The aesthetic appeal of the EcoTric Dolphin isn't just skin-deep; it also reflects the attention to detail and craftsmanship that went into its construction. From the ergonomic saddle to the thoughtfully designed handlebar grips, every element of this e-bike has been carefully considered to enhance your riding experience.

Not only does the EcoTric Dolphin perform flawlessly, but it also adds a touch of elegance to your daily life. Arrive at your destination with confidence and sophistication, as this electric bike effortlessly combines form and function, making it a true statement piece on the road.

Your Perfect Companion on Two Wheels

The EcoTric 36V Fat Tire Folding Electric Bike 20" - Dolphin - UL Certified - C-DOL20LED-WB-Z is a remarkable fusion of style, performance, and practicality. Its powerful 500W motor, high-capacity 12.5AH lithium battery, and foldable upper tube and handlebar ensure that you have the power, range, and convenience you need for your daily adventures.

The fat 20-inch tires provide superior shock absorption, guaranteeing a comfortable and stable ride across various terrains. Whether you're navigating city streets, exploring nature trails, or commuting to work, the EcoTric Dolphin excels in every scenario.

Portability and long-lasting performance are key highlights of this electric bike, allowing you to take it with you wherever you go while still enjoying the benefits of a robust and reliable ride. Its UL certification adds an extra layer of confidence, emphasizing its safety and quality.

Lastly, the sleek and stylish design of the EcoTric Dolphin makes it a true showstopper on the road, turning heads and leaving a lasting impression. Elevate your daily commute or leisurely rides with an e-bike that combines the charm of dolphins with the efficiency of modern electric bike technology. Choose the EcoTric Dolphin, and experience the perfect balance of form and function on two wheels. Ride the future with EcoTric today.


500W Gear Motor

  • 500 Watt brushless geared motor
  • Tire: 20" * 4.0 Anti-skidding, adapt to snow, sand and other complex topography
  • Inner tube: 20×4.0/4.9
  • Valve stem: American standard size
  • attached: valve cap

36V/12.5AH Removable Lithium Battery

  • 36V/12.5AH Removable Lithium Battery, so you can bring the battery to your home or office to Travel range 18-23 miles in pure electric mode and 45-48 miles in pedal mode.
  • Charging time: 6-8 hours
  • Battery life Up To 400-600 Cycles.
  • Battery lock and power lock function

Disc Brake

  • Outage braking system and Mechanical braking system,work along both lines, provide security for your trip.
  • 7 Speed system
  • Come with pedal assist and walk assist model

Aluminum Alloy Frame

  • 20 "ALLOY;
  • Head tube 50 * 50 * 120L.
  • The pipe heterotypic 27.4 * 2.2 T * 420L Reaming 27.4;
  • Equipped with rear motor; Standard disc brake seat

Foldable & Portable

  • Put it in the trunk.
  • Take it to the elevator.
  • Take it to the subway.


Why do I choose ECOTRIC UL certified Electric Bikes?



This Model is UL Certified Product. UL certifications demonstrate that our products have been tested to applicable safety standards. UL's recognized regulatory expertise provides critical credibility to authorities and the marketplace. Bring our products to market more efficiently and clearly differentiate them on crowded shelves with certification from the safety science leader.

MODEL SIZE 1780*620*1120mm


Electrical Power

36V 12.5AH
Rear Hub 36V 500W
Ecotric 810 LED
Speed Sensor 
400-600 Cycles
FUNCTIONS Pedal Assist On-Demand Throttle


FRONT BRAKE  Mechanical Disc 160mm Rotor
REAR BRAKE  Mechanical Disc 160mm Rotor
FRAME  Aluminum Alloy
TIRES 20×4.0' Fat Tires 
FENDERS Included, Front And Rear
BRAKE SYSTEM Left Brake For Rear/Right Brake For Front


Packing List

  • 1 x UL Certified-Ecotric 20inch white portable and folding fat bike model Dolphin
  • 1 x Lithium-Ion Battery
  • 1 x Kit Box
  • 2 x Pedals
  • 1 x Display
  • 2 x Keys
  • 1 x Tool Kit
  • 2 x Reflectors
  • 1 x Owner’s User Manual

FREE Shipping in 48 States!

Shipping takes 2-3 business days on most orders, with a max of 6-8 business days for more off beat addresses.

ALL of our Orders are Shipped from our Warehouses right here in the USA!

Ecotric Electric Bikes are Shipped 95% assembled! Simply mount the front wheel, set the handlebars, and screw in the pedals. Then enjoy the ride!

FREE Shipping is offered through UPS, FEDEX & USPS.

Spare parts typically ship via USPS, while ebikes and batteries typically ship via UPS or FedEx

If a wrong or insufficient shipping address is porvided, you will be responsible for the second shipping cost.

As soon as your bike has shipped, you will receive an email with Tracking Number allowing you to see the scheduled delivery time to your exact adderss.

Pick Up from Oakland, CA Warehouse...
If you wish to pick up your order directly from the warehouse, please contact us to set up a pick-up date and time via email

Ecotric Return Policy

  1. Ecotric Electric Bicycle Return Policy allows you to return or exchange your electric bicycle once within 30 days start from the date of receiving the bike. Please check the warranty terms for complete information for when a return is applicable. Please note that we do not accept the return of the spare parts or accessories(except battery).

  2. Please request a Return and Exchange Authorization. (contact ECOTRIC Support for a return label at Once the Return and Exchange Authorization is issued, we will email you a return label. You must print the return label and stick it on the box to ship back the electric bike.

  3. Ship-back charge:

         a. If the unit purchase under a free-shipping promotion, there will not be a refund for shipping cost. However, the customer will have to bear the 20% restocking fee of the original price if the return is unrelated to quality, damages or wrong item but merely for a personal and discretional last-minute decision from the buyer.

         b. If the return is accepted, Ecotric will issue a pre-paid shipping slip to you by email. You print the return label and stick it on the box, and take the package to the nearest UPS store.(If you need the pick-up service, please tell us, and we will arrange a return label with the pick up fee for you, but customer will need to pay for this pick-up fee.)

  4. The returned unit must be in like-new condition, include all original packaging,  accessories, and documentation. Any missing components may be deducted from the refund . Any shipping damage during the ship-back may incur a deduction from the refund. 

  5. Returned units are subject to a 20% of inspection and restocking fee from the original price plus 

    There will be 3% charge that will be deducted from the original price paid. This fee is mandated by the bank and/or credit card company and not within our control.

  6. The refund will be issued in an average time frame of 2-3 weeks after we are receiving, inspecting, and processing the returned unit.

  7. If customer wants to cancel the order after the shipping label being created, customer will have to bear the shipping cost.

Warranty information

To make a warranty claim always keep handy the E-Bike model, date of purchase, E-Bike serial number as well as the original order number from our website.

Every ECOTRIC electric bicycle purchased on our website comes with an 18 months warranty ( In the period of 18 months from purchase by Official Authorized Store) against manufacturing defects in materials or workmanship on its frame, battery, motor, controller, and display.

This warranty applies only to the original buyer of the ECOTRIC bicycle and is not transferable under any circumstances. The original buyer refers to the buyer who can provide the order number.

This limited warranty does not apply to normal wear and tear, malfunctions, or failures due to abuse, neglect, improper repair, improper maintenance, alteration, modification, damage or failure due to accident or other improper use, installation of third party components, parts, or accessories, or any products that have been modified from manufacturer’s specifications. The battery warranty does not include damage from power surges, use of improper charger, improper maintenance or other such misuse, normal wear or water damage.

It is important that you register within 30 days after the original purchase to activate the warranty, all fields are required to successfully submit your registration form.



For your reference, please refer to below comprehensive warranty:

1. Frame – are warranted to be free from defects in material or workmanship for 18 months from purchase by Official Authorized Store. Paint finish is considered consumable and is not part of the warranty.
2. Display, Controller and Motor Assembly – are warranted to be free from defects in material or workmanship for a period of 18 months from purchase.
3. Original Batteries – are warranted to be free from defects in material or workmanship for a period of 18 months from the date of purchase as follows: full replacement during the first 12 months, while replacements needed during months 13-18 are prorated.

The battery is sealed and cannot be opened or fixed. The battery should not have a percentage of nominal charge retention of 60% or less. Misuse of the battery, negligence or attempt to open or repair it will void the warranty.

4. General: The bicycle is backed up by a 18 months main warranty, certain components listed on this chart or consumables may be subject to a different period of coverage or not included in this warranty.

5. Consumables: Components subject to wear are not covered by the warranty: Tires, inner tubes, brake lever, brake caliper, brake lines, brake pads, basket, wheel lining tape, light bulbs, LEDS, fuses, etc.

Exclusions: The other parts are Normal wear parts which are excluded from this warranty.
If any parts happen to be damaged during shipping, please contact us immediately after shipment arrival. ECOTRIC will send a replacement part at our expense and will work with you to fix the issue.
Please note that for warranty issues, the customer is responsible for the cost of labor to install warrantied components, however, we will cover the Shipping costs of warranty parts.

If the warranty is void for any reason the customer shall bear any repair or replacement costs resulting from vehicle misuse, negligence or abuse.
Always follow care and preventive maintenance procedures.
Always keep receipts from any services performed to the vehicle by an authorized distributor or service center.
The warranty will be voided by any of the following circumstances:

  1. Failure to follow all directions or recommendations listed in the user manual.
  2. Cycling collision, accident or vehicle damage caused by careless parking 
  3. Acts in violation of laws 
  4. Never registered your ebike or cannot provide the order number
  5. DIY repairs on electronics
  6. Abusive use the bicycle in off-road terrain, mud, snow, water, sand, gravel and water
  7. If the bicycle is used as rental unit 
  8. Damages caused by natural disasters such as earthquakes, lightning, fire, flooding and other hazards .
  9. Rust and/or paint fading caused to heavy exposure to rain, hail, snow or direct sunlight for prolonged periods of time.
  10. Overloading beyond recommended capacity .
  11. Damages caused by nails, needles, broken glass , debris , sharp rocks or other foreign objects .
  12. If the bicycle is used but not limited to stunts, jumping from ramps, stairs or elevated ramps.
  13. If vehicle is used in competitions or racing.
  14. If vehicle has been modified for any purposes on the motor, electrical system, suspension frame, and battery.
  15. Use of other components not approved by the manufacturer.
  16. Damages resulted from improper care and handling.

Due to the nature of the product some components must be exclusive from the manufacturer such as but not limited to the battery, motor, main gauge cluster, controllers, Led headlights, brake drums or disc rotors and pads etc. Other components such as tires, tubes, saddle, racks, baskets may be used from market-ready or compatible products previous approval from the retailer or manufacturer.
For any questions about your warranty or to make any claims please contact ECOTRIC bikes at:



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