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

Introducing the Ecotric 36V Folding Fat Tire Electric Bike 20" - Dolphin - UL Certified - Black - C-DOL20LED-MBL-Z

Are you ready to experience the perfect blend of style, power, and eco-friendliness on two wheels? The Ecotric 36V Folding Fat Tire Electric Bike 20" in stunning Dolphin Black is here to redefine your biking adventures. With a focus on versatility and performance, this UL Certified electric bike offers a host of features that make it stand out in the crowded e-bike market. Let's dive into the details of this remarkable e-bike to discover why it's the ultimate choice for both urban commuters and outdoor enthusiasts.

Powerful 500W Motor for Effortless Riding

At the heart of the Ecotric Electric Bike is a robust 500W brushless rear hub motor. This powerhouse of an engine provides you with ample acceleration and smooth power delivery, ensuring you effortlessly conquer hills and glide through traffic with ease. Whether you're heading to work or exploring scenic trails, this motor has the muscle to take you where you want to go.

But power doesn't mean noise; the motor operates almost silently, allowing you to enjoy a peaceful and enjoyable ride. You can select from multiple levels of pedal-assist or engage the throttle-only mode for an extra boost. No matter your riding preference, this electric bike's motor has got you covered.

Long-Lasting 12.5AH Lithium Battery

What's an electric bike without a reliable battery to keep you going? The Ecotric C-DOL20LED-MBL-Z comes equipped with a high-capacity 12.5AH lithium battery. This battery not only provides an impressive range but also ensures long-lasting performance, so you won't have to worry about recharging after every ride.

With this battery, you can explore your city or the great outdoors without constantly checking your power levels. The battery is conveniently located on the bike's frame, making it easy to access and replace if necessary. Enjoy extended rides, commute without worries, and embrace the freedom of an e-bike that lets you ride further and longer.

Foldable Design for Maximum Convenience

Ecotric understands the importance of convenience and portability in today's fast-paced world. That's why the Ecotric 36V Folding Fat Tire Electric Bike 20" features a smart folding design. The upper tube and handlebar can be effortlessly folded down, making storage and transportation a breeze.

Whether you want to stow it in a small apartment, take it on public transportation, or load it into your car for a weekend adventure, this foldable e-bike accommodates your needs. The secure locking mechanism ensures stability when unfolded, giving you peace of mind while riding. It's the perfect solution for those looking to combine the benefits of an e-bike with the convenience of easy storage and transport.

Exceptional Fat 20-Inch Tires for Versatile Terrain Riding

One of the standout features of the Ecotric Dolphin Electric Bike is its fat 20-inch tires. These oversized tires aren't just for show; they provide a remarkable combination of traction, stability, and shock absorption. Whether you're cruising through city streets, tackling rough trails, or even navigating sandy beaches, these tires handle it all with grace.

The fat tires excel in shock absorption, smoothing out rough terrain and enhancing your overall comfort during long rides. Plus, their wider surface area increases stability and control, allowing you to confidently handle various riding conditions. Rain or shine, pavement or dirt, these tires ensure you stay in control and enjoy every moment of your journey.

UL Certified for Safety and Reliability

Safety should always be a top priority when it comes to electric bikes, and Ecotric takes this commitment seriously. The Ecotric C-DOL20LED-MBL-Z is UL Certified, assuring you of its safety and reliability. The rigorous testing and certification process ensure that this electric bike meets strict quality standards, giving you peace of mind while riding.

With UL Certification, you can trust that the electrical components, battery, and charger have undergone thorough testing to prevent potential hazards. Your safety and the safety of those around you are paramount, and Ecotric has gone the extra mile to ensure that this e-bike delivers a worry-free riding experience.

Stylish Design Inspired by Dolphins

Ecotric has drawn inspiration from the grace and charm of dolphins to create a truly unique and eye-catching design for the C-DOL20LED-MBL-Z. The bike's curves and lines reflect the beauty of these aquatic creatures, resulting in a visually stunning e-bike that's sure to turn heads wherever you go.

The Dolphin Black color adds a touch of elegance and sophistication to your ride, making a statement about your sense of style and eco-consciousness. Whether you're commuting to work, meeting friends for coffee, or exploring the great outdoors, you'll do it in style with the Ecotric Dolphin Electric Bike.

Eco-Friendly Transportation

In an age where environmental responsibility is crucial, the Ecotric 36V Folding Fat Tire Electric Bike 20" offers a sustainable transportation solution. By choosing this e-bike, you're making a positive impact on the environment. You'll reduce your carbon footprint, decrease your reliance on fossil fuels, and contribute to cleaner air and a healthier planet.

Say goodbye to the emissions and noise associated with traditional gasoline-powered vehicles. With the Ecotric e-bike, you can enjoy guilt-free commuting and leisure rides, knowing that you're doing your part to protect the environment for future generations.

User-Friendly LED Display

Stay informed and in control with the user-friendly LED display on the handlebar. This intuitive interface provides real-time information about your speed, battery status, and selected riding mode. It allows you to monitor your e-bike's performance at a glance, so you can adjust your riding style accordingly.

The LED display also lets you switch between different levels of pedal assist or activate the throttle-only mode with ease. It's a valuable tool for tailoring your riding experience to your preferences and needs. Stay connected and informed while you enjoy the freedom and convenience of electric biking.

Adjustable Seat and Handlebar Height

Comfort is key when it comes to long rides, and the Ecotric Electric Bike offers customization options to suit riders of varying heights. The seat and handlebar height are adjustable, allowing you to find the perfect riding position for your body. Whether you're tall or short, you can achieve a comfortable and ergonomic fit that minimizes strain and maximizes enjoyment.

The ability to fine-tune your riding posture ensures that you can embark on extended journeys without discomfort. Say goodbye to aches and pains and hello to hours of pleasurable riding on your Ecotric e-bike.

Front and Rear Disc Brakes for Reliable Stopping Power

Safety on the road is paramount, and the Ecotric C-DOL20LED-MBL-Z prioritizes it with front and rear disc brakes. These high-quality brakes deliver reliable stopping power, giving you the confidence to navigate traffic and challenging terrain with ease.

Whether you need to come to a quick stop at an intersection or control your speed while descending a steep hill, the responsive disc brakes have you covered. They're designed to perform well in various weather conditions, so you can rely on them to keep you safe on every ride.

The Ecotric 36V Folding Fat Tire Electric Bike 20" in Dolphin Black is more than just an e-bike; it's a lifestyle choice. With its powerful motor, long-lasting battery, foldable design, and versatile fat tires, it offers an unbeatable combination of performance and convenience. Plus, its UL Certification ensures safety and reliability, and its stylish design inspired by dolphins sets you apart from the crowd.

Experience eco-friendly transportation that reduces your carbon footprint while enhancing your mobility. Whether you're commuting to work, exploring scenic trails, or simply enjoying the freedom of the open road, the Ecotric Dolphin Electric Bike is your trusted companion.

Upgrade your riding experience, make a positive impact on the environment, and enjoy the journey like never before with the Ecotric 36V Folding Fat Tire Electric Bike 20" - Dolphin - UL Certified - Black - C-DOL20LED-MBL-Z. Dive into a world of adventure, style, and sustainability 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 recharge. Travel range 18-23 miles in pure electric mode and 45-48 miles in pedal mode.
  • Charging time: Approx. 6-8 hours
  • Battery life Up To 400-600 Cycles.
  • Battery lock and power lock function

Fashionable Fat Tires

  • Tire: 20" * 4.0 cover tyrep; 20" * 4.0 innertube. Anti-skidding, adapt to snow, sand and other complex topography
  • Adapt to all terrain, snow road, sand road, gravel road

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.

General Ecotric Electric Bike Information

Model Size 1780*620*1120mm
Weight Capacity 200lbs
Weight With Battery  55lb

Electrical And Power

Battery 36V 12.5AH
Motor Rear Hub 36V 500W
Charging Time 6-8 Hours
Display Ecotric 810 LED
Sensor Speed Sensor
Battery Life 400-600 Cycles
Functions Pedal Assist On-Demand Throttle



Front Break Mechanical Disc 160mm Rotor
Rear Break Mechanical Disc 160mm Rotor
Derailleur 7 Speed SHIMANO
Frame Aluminum Alloy
Tires 20×4.0' Fat Tires
Fenders Included, Front And Rear
Break System  Left Brake For Rear/Right Brake For Front


Packing List

  • 1 x UL Certified-Ecotric 20inch black 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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