Qualisports Dolphin Plus Review: Compact E-Bike With Two Batteries!


The Qualisports Dolphin Plus stands out among folding e-bikes for its unique feature: it boasts not one, but two batteries. This distinguishing characteristic sets it apart from its competitors and addresses a common concern among riders – limited range on smaller folding e-bikes.

With two batteries powering the Dolphin Plus, riders can expect to go the extra mile without worrying about running out of power. This innovative design ensures that riders can enjoy longer rides and explore more extensive routes without the fear of being stranded.

Priced at $1,899, the Dolphin Plus falls into the affordable category, offering a compelling balance of features and affordability.

The Dolphin Plus offers a host of features, including its dual-battery system, which adds significant value to the e-bike. With the extended range provided by the two batteries, riders gain a level of freedom and flexibility that enhances their overall riding experience. Additionally, the convenience of the folding design allows for easy storage and transportation, making it an excellent option for those living in urban environments or with limited space.

Let’s watch a video review of Dolphin Plus, and after it you can find out all the details from this article.

Frame6061-T6 Aluminum Alloy
Frame TypeMid-Step, Folding
Motor500W Rear-hub Motor
Max. Speed20 mph
Motor Torque80 Newton meters
Display BrandKT-7 LCD Display with USB Chraing Port
Gearing Details7 Speed 1x7 Shimano Tourney Derailleur
Tire BrandINNOVA, 20" x 2.30"
Seat PostCustom, 57mm
Battery CapacitySeat post battery 48V 10.5Ah; Tube battery: 48V 7AH
Charging Time4-4.5Hrs/Dolphin Plus
Folded Size33" x 14.5" x 28.5"
Net Weight51 lbs
Max. Load300 lbs

Design and Build Quality

The Qualisports Dolphin Plus is an impressive electric bike that combines sleek design with practical functionality. The bike’s frame is constructed from 6061 aluminum alloy, a lightweight and durable material that ensures a smooth and comfortable ride while maintaining excellent structural integrity. This choice of material allows the Dolphin Plus to be both sturdy and easy to handle.

One of the standout features of the Dolphin Plus is its folding capability. The bike folds up easily, making it incredibly convenient for transportation and storage. Whether you need to pack it into the trunk of your car or tuck it away in a small apartment, the Dolphin Plus effortlessly transforms into a compact size. This folding mechanism is complemented by its adjustability, catering to taller individuals who may require a larger frame size.

The 6061 aluminum alloy fork provides excellent shock absorption, ensuring a comfortable ride on various terrains. It enhances the bike’s stability and maneuverability, making it suitable for both urban commuting and outdoor adventures.

The Dolphin Plus features a 7-speed Shimano Tourney drivetrain, which allows for smooth and reliable gear shifting. This drivetrain offers versatility, enabling riders to effortlessly tackle different inclines and terrains. Whether you’re cruising through city streets or conquering hilly landscapes, the Shimano Tourney drivetrain ensures a comfortable and efficient ride.

Safety is a top priority for the Dolphin Plus, evident in its 5-star integrated headlight. This powerful light source illuminates the path ahead, enhancing visibility during nighttime rides or in low-light conditions. The sturdy steel fenders not only protect the rider from splashes and debris but also contribute to the bike’s overall durability.

The inclusion of a bell adds an extra layer of safety, allowing riders to alert pedestrians and other cyclists of their presence. Additionally, the Dolphin Plus comes equipped with a kickstand, providing convenient support when the bike is parked and preventing it from falling over.

The Qualisports features 20″ x 2.30″ INNOVA tires, which contribute to its exceptional performance and versatility. These tires provide a balance between stability and maneuverability, making them suitable for various riding conditions. With a width of 2.30″, they offer excellent traction and grip on different surfaces, ensuring a smooth and controlled ride.

The overall dimensions of the e-bike are 63.50” x 25.00” x 44.09”. These measurements highlight the bike’s compact size, allowing for easy maneuverability in urban environments and seamless storage in tight spaces. When folded, the Dolphin Plus shrinks to a size of 33″ x 14.5″ x 28.5″, making it incredibly convenient for transportation and storage. This compact design is especially useful for commuters who need to carry the bike on public transportation or store it in small apartments.

Weighing in at 51 lbs, the Dolphin Plus strikes a balance between sturdiness and portability. While it offers a robust and durable build, it remains lightweight enough for users to handle and transport without excessive strain. The reasonable weight ensures that the bike remains agile and easy to maneuver during rides.

The Dolphin Plus is equipped with custom 2-piston hydraulic brakes that provide reliable and responsive stopping power. These hydraulic brakes offer a superior level of performance compared to traditional mechanical brakes. The two pistons ensure even pressure distribution, enhancing control and stability during braking maneuvers. 

The KT-7 LCD Display features a clear and easy-to-read screen that provides real-time information about your ride. You can view key data such as speed, distance traveled, battery level, and assist level. This allows you to monitor your ride and make informed decisions based on the information displayed.

One notable feature of the KT-7 LCD Display is its USB charging port. This port provides a convenient solution for charging your devices on the go. You can easily connect your smartphone, GPS device, or any other USB-compatible device to the display and charge it directly from the bike’s battery. This eliminates the need for separate chargers or carrying additional power banks, ensuring you stay connected and powered up during your rides.

Motor and Driving

The Qualisports Dolphin Plus is equipped with a powerful 500W rear-hub motor, designed to deliver an exhilarating and efficient riding experience. With a robust motor like this, you can expect impressive performance on various terrains.

One notable feature of the motor is its high torque output of 80 Newton meters. Torque is a measure of rotational force, and a higher torque rating indicates greater power and acceleration. The Dolphin Plus surpasses expectations in this regard, providing a dynamic and responsive riding experience. Whether you’re starting from a standstill or need a burst of speed while riding, the motor’s torque ensures swift acceleration and an enjoyable ride.

The Dolphin Plus has a maximum speed of 20 mph (miles per hour). This top speed allows for quick and efficient commuting, enabling riders to reach their destinations in a timely manner. The combination of the 500W motor and the maximum speed ensures a thrilling ride without compromising safety and control.

When it comes to tackling inclines, the Dolphin Plus performs admirably. The motor’s torque and power enable it to handle uphill rides with ease. Whether you encounter steep hills or moderate inclines, the motor delivers the necessary force to conquer them. The Dolphin Plus allows you to maintain a consistent speed even when facing challenging terrain, making it a reliable option for riders in hilly areas.

The motor’s torque and acceleration capabilities, along with its excellent performance on inclines, make the Dolphin Plus a versatile electric bike suitable for a range of riding scenarios. Whether you’re commuting in the city or exploring more demanding landscapes, the Dolphin Plus delivers a powerful and exhilarating ride, ensuring you can navigate any terrain with confidence and ease.

The Qualisports Dolphin Plus offers a versatile and intuitive riding experience with its Cadence Sensing Pedal Assist and Trigger Throttle system. This advanced system provides riders with multiple modes to choose from, enhancing their control and enjoyment on the road.

The Cadence Sensing Pedal Assist feature utilizes a 12-magnet sealed sensor to detect the rider’s pedaling cadence. As you start pedaling, the sensor detects your motion and activates the motor assistance accordingly. The motor seamlessly responds to your pedaling rhythm, providing a smooth and natural boost of power. This pedal assist mode allows you to effortlessly maintain your desired speed with less effort, making it ideal for longer rides or when you want to conserve energy.

In addition to the Pedal Assist mode, the Dolphin Plus also features a Trigger Throttle. With the Trigger Throttle, you have the option to engage the motor without pedaling. Simply press the throttle, and the motor will provide instant power, propelling you forward. This feature is particularly useful in situations where you need immediate acceleration or when you want to relax and let the motor do the work.

The Dolphin Plus offers different assist levels to accommodate various riding preferences. The Normal Biking mode provides a balanced level of assistance, allowing you to maintain a consistent speed while still benefiting from the motor’s support. The Cruise mode is designed for comfortable and leisurely rides. In this mode, the motor assists you at a steady speed, making it ideal for cruising along flat terrain or enjoying a relaxed ride.

Additionally, the Dolphin Plus features a Walk Assist mode, which can be handy in situations where you need to walk alongside the bike, such as when navigating through crowded areas or steep inclines. The Walk Assist mode activates the motor at a slow and controlled pace, providing just enough power to make walking with the bike more manageable.

Battery and Range

The Qualisports Dolphin Plus stands out with its unique dual-battery system, providing riders with extended range and versatility. This innovative feature sets the Dolphin Plus apart from other electric bikes on the market.

The dual-battery system consists of a Seatpost Battery and a Tube Battery. The Seat Post Battery has a capacity of 48V 10.5Ah, while the Tube Battery has a capacity of 48V 7Ah. The combination of these two batteries ensures ample power supply for longer rides and increased range.

The SeatPost Battery, with its higher capacity, offers an extended range, allowing riders to cover more distance without worrying about running out of power. It provides the necessary energy for longer rides or when you need the bike to go the extra mile. The Tube Battery, although slightly smaller in capacity, serves as a backup or supplementary power source. It provides flexibility, allowing riders to switch between batteries based on their needs or to extend the overall range of the bike.

Charging the batteries is a breeze, with a charging time of approximately 4-4.5 hours. This means you can quickly recharge the batteries and get back on the road in no time. The convenience of shorter charging times ensures minimal downtime between rides and enhances the overall usability of the Dolphin Plus.

The dual-battery system provides a minimum range of 40 miles, combining the capacities of both batteries. This range allows for longer rides and provides the freedom to explore various terrains without worrying about battery depletion. Whether you’re commuting to work or embarking on a scenic adventure, the Dolphin Plus ensures you have sufficient power to reach your destination comfortably.

The fact that the Dolphin Plus comes with two batteries, cleverly integrated into its frame, is a remarkable advantage. This design element not only enhances the aesthetics of the bike but also contributes to its overall functionality. Having two batteries available on a frame-style bike like the e-bike is a unique feature that sets it apart from others in the industry. It offers added convenience and peace of mind, knowing that you have a backup power source readily available when needed.

Qualisports Dolphin Plus: Conclusions

Qualisports Dolphin Plus emerges as a true standout, outshining even the legendary Infinity Stones. With its exceptional features and capabilities, this electric bike is a force to be reckoned with, offering a thrilling ride for urban adventurers.

At the heart of the Dolphin Plus is its powerful 500W motor, delivering a burst of energy that propels riders forward with impressive speed and agility. This motor ensures a dynamic and exhilarating ride, making it ideal for navigating busy city streets or exploring new territories.

Backing up the motor is an impressive 748 Wh battery, providing ample power to keep you cruising for extended periods. This robust battery capacity ensures a reliable and long-lasting ride, giving you the freedom to explore without worrying about running out of energy. With the Dolphin Plus, you can confidently embark on longer journeys and conquer any urban landscape.

The Dolphin Plus’s frame design adds to its versatility, allowing riders to tackle various terrains with ease. Whether you’re maneuvering through crowded streets or venturing off-road, this electric bike offers the adaptability needed for any adventure. Its sturdy construction and thoughtful design ensure a comfortable and stable ride in all conditions.

With a competitive price tag of $1,899 and a solid one-year warranty, the Dolphin Plus proves to be a safer bet than relying on the Avengers to save the day. This electric bike not only offers exceptional performance but also provides peace of mind with its warranty coverage, ensuring that you can ride confidently knowing that you’re protected.

So, whether you’re a thrill-seeking urban explorer or simply looking for a reliable and powerful electric bike, the Qualisports Dolphin Plus is a true gem in the multiverse of Ebikes. With its strong motor, impressive battery, versatile frame, and attractive pricing, it’s a ride that will take you to new heights and empower you to conquer any journey.

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