Prodeco V3 Mariner Review

The Prodeco V3 Mariner is a pure white, gloss-finished electric bicycle that features 20-inch tires and a 300-watt motor. While less powerful than some of the other models offered by Prodeco, the Mariner’s smaller design allows for a much longer travel distance per charge, which is a major added bonus.

Let’s take a look at this bicycle’s specifications before diving right into our review.

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Prodeco V3 Mariner Specifications

  • Speed: 8
  • Power: 300 watt, 36V motor
  • Brakes: Avid BB5 disc brakes
  • Top Speed: 18 MPH
  • Travel Distance: 25 – 35 miles
  • Shifter: SRAM X7 Twist
  • Tire Size: 20 inches
  • Warranty: 2 years

Features and Riding


Upon receiving this bike, you will find that assembly and getting everything just perfect is a breeze. There are a few assembly requirements and precautions that need to be mentioned, but do not worry, it is a very easy process. Once you have unwrapped everything, you will need to:

  • Attach the seat.
  • Tighten the handlebars in place.
  • Check the tire pressure and inflate if necessary.
  • Charge the battery if not fully charged.

These are basic assembly procedures that are seen with virtually all electric bicycles. These are tasks which you should be able to complete in 10 – 20 minutes, at most. Once you have everything situated, you will be ready for your very first ride.

The First Ride

Once you have sat down, it is time to twist the throttle. This is done with a ½ to a ¾ twist. The SRAM X7 Twist provides a smooth acceleration with a very comfortable grip on the handlebars. Right to the left of the shifter you will also notice 3 LED lights that are meant to display the life of the battery, but we will get to this later.

The tires are smaller than most, which leaves you closer to the ground. However, this does add to lesser noticeable bumps and an overall comfortable ride.

The 300W motor is powerful, but on larger hills, you may need to assist the bicycle. This is done through with a little self-pedaling. This was not much of an issue during our trial, but if the hill is very steep, you will definitely need to assist the bike on the incline. This will not only ensure you overcome the hill with ease, but it will also help you save on the overall battery life seen.

Battery Life and Performance

The battery seen is a LiFePO4 24 Cell Battery featuring 38.4 volts. The battery holds a charge for 25 – 35 miles, depending on the terrain you ride on. As far as charging time is concerned, the battery takes just a mere 4 hours to charge fully. If you ride mostly around town, you will be able to charge your electric bicycle at night and have it fully ready to go come morning.

The biggest drain on the battery will be seen when riding uphill. If you want to increase your battery life, we highly recommend assisted pedaling during an uphill ride. Even the slightest assistance will greatly improve your battery life.

As we mentioned previously, to the left of the accelerator, you will see 3 LED lights. The lights indicate your current battery power remaining. The indicators are as follows:

  • Green: Full charge
  • Yellow: Half charge
  • Red: Battery depleted

The indicator is a bit fickle and you may be better off trying to judge the remaining battery life by knowing what distance you have ridden.

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  • Lighter weight than most electric models
  • Long battery life
  • Comfortable design
  • Battery indicator
  • 2-year warranty
  • Top speed of 18 MPH


  • 20-inch tires are small
  • Needs proper adjustments
  • Some buyers complained of premature battery death
  • No rear suspension. Offset by lower tires

The Prodeco V3 Mariner is a competitively priced electric bike that comes with a long battery life, a unique design and top of the line components. Light in weight, this model features better than average battery life and a comfortable design. A 300-watt motor ensures small to moderate hills are never an issue and is powerful enough to propel the rider at speeds up to 18 MPH. For an affordable electric bicycle that is packed with features, we highly recommend the V3 Mariner.

Category: Electric Bike Reviews, Prodeco