UL Certified - Ecotric Dolphin 36V 500W Portable Folding Fat Tire Electric Bike

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The Ecotric Dolphin 36V 500W Electric Bicycle (UL Certified) is the perfect commuter bike companion you can ever ask for. It is a fast and comfortable ride, get yourself or a loved one an Ecotric Dolphin E-bike. It’s super affordable which means you don’t have to spend a fortune to buy this Ecotric electric bike from our store.

The Dolphin e-bike is powerful and safe when riding. It is fitted with 20"x 4" fat tires to allow you unimpeded ride on city roads and also unfriendly terrains. Ecotric's design philosophy is to make bikes easier for customers to carry and the Dolphin firmly embodies this statement. It is well crafted to conveniently fold and store away or transport more easily. It is your perfect commute bike for work, hikes, or picnics

The right-hand front brake and the left-hand rear brake double mechanical disc brake system provide superior braking power and safety. Besides, the specially designed frame lets a person easily get on and off the bike.

The bike also features a strong aluminum alloy frame that can hold up to 200 pounds. The bike also comes with a 500W power motor, 12.5Ah high-capacity lithium battery, and LED smart display. It can take on many tasks you would not expect from a portable folding bike, such as weekend adventure rides, grocery store runs, challenging terrain, and rough roads without even breaking a sweat. Discover and explore new trails with this ECOTRIC® e-bike!

UL Certified Ecotric Dolphin 36V 500W Electric Mountain Bike Features:

Powerful Rear Hub Motor: operates on a powerful Rear Hub motor that can crank a power output of 500W. This is adequate to steer the bike on rough and unfriendly surfaces.

Efficient Braking: The front and rear wheels are fitted with the mechanical Disc 160mm Rotor brakes for efficient braking at all times.

7 Speed Shimano: Runs on the Shimano 7 Gears changing system. You can adjust to any of the gears for an appropriate speed depending on your personal choice.

Aluminum Alloy Frame: The frame is made from a sturdy aluminum alloy material. This makes the bike robust enough to withstand rough terrains and a heavyweight of 200 pounds.

We have expert support staff so should you feel dissatisfied, check out our easy return policy guidelines and warranty, then reach out to us for assistance.

We offer free shipping for all our bikes so order yours today


UL Certified Ecotric Dolphin Electric Mountain Bike 36V 500W Specifications

Model Size  1780*620*1120mm
Motor Rear Hub 36V 500W
Display Ecotric M3 LCD Display
Front Brake  Mechanical Disc 160mm Rotor 
Derailleur  7 Speed Shimano
Frame Aluminum Alloy
Fenders Included, Front And Rear
Weight Capacity 200lbs
Weight with Battery 55lb
Battery 36v 12.5AH
Charging Time 6-8 Hours
Sensor Speed Sensor 
Rear Brake Mechanical Disc 160mm Rotor
Speed 25KM/H
Functions Pedal Assist On-Demand Throttle
Tires  20’’ X 4.0’’ Fat Tires
Battery Life 400-600 Cycles
Recommended Rider 5’3”-- 6’3” Refer To (the size guide)
Brake System Left Brake For Rear/Right Brake For Front

Packing List: Ecotric Dolphin is accompanied with these free items:

  • 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


Q: How long does it take to deliver?
A: For more information about shipment, check our Zoom electric bikes shipping policy

Q: How much does it weigh?
A: 55 Pounds with battery.

Q: Can the battery be removed from the bike?
A: Yes. You have to use the key to unlock it before it can be removed.

Q: What is the weight limit?
A: 200 lbs

Q: Is the bike foldable?
A: Yes.

Ecotric E-Bikes come with a 1-year warranty against manufacturing defects and workmanship. Please click on this link for the Ecotric warranty details

Customer Reviews

Based on 2 reviews
Robert McPherson
Great value for the $$$$$$

A notch or so above an entry-level electric bike. Spend the extra $100+ to get this cool little folding fat tire bike with A 500W motor. It can take you to where all the much more expensive bikes go.

Susan Marek
Super fun

I’m a 70 year old young women who enjoys being outside doing something. This is the best way to get around easily and still get exercise. Would highly recommend

Hello Suezm, Thank you so much for your amazing review! We are so happy to hear that you are enjoying your new bike. Please let us know if we can help you with anything further, and thank you for taking time out of your day to leave us this super kind review. Stay safe as always!