We have read all expert and user reviews on the Ecotric FAT20810. In summary, this is what cyclists think. Published Sep 11, 2020 by Becky Vordermann.

14 reasons to buy

The Ecotric has seven speeds, three modes of pedal assist and a twist throttle. This makes it easy for riders of all abilities to use.
With the addition of a rack or basket, the Ecotric is great for errands or commuting.
The bike folds, making it easy to transport and store.
Many users over 200 lbs. had no trouble getting up to speed on the bike. Ecotric recommends it for riders up to 260 lbs.
The battery can be charged on or off the bike.
The wide cushioned seat provides comfort to riders.
The 500w rear hub motor is powerful, helping riders quickly accelerate.
The fat tires absorb bumps on rough roads and allow riders to ride on snow and sand.
The display is easy to read, and includes information on one’s speed, distance, and battery life.
The bike’s battery is designed to last with overcharge protection, charge control, short-circuit protection, temperature protection and over-voltage protection.
The front fender keeps mud and water from hitting the rider.
The power key also conveniently locks the battery.
The Ecotric FAT20810-WB comfortably fits a range of riders from 5’1”-5’9”.
This bike is affordable compared to similar electric bikes.

6 reasons not to buy

The battery takes over 6 hours to fully charge.
The bike can experience technical issues in the motor and battery.
Removing the battery requires one to remove their seat and seat post.
Several users found the assembly process took up to 2 hours and stated the instructions were unclear.
Parts and controller replacements can be hard to find for the bike.
Users found that the front wheel is prone to locking up, causing unexpected crashes.

Bottom line

The Ecotric FAT20810 is a budget folding electric bike with fat tires. At only 52lb, it's lighter than most similar bikes at this price. The bike is comfortable for shorter riders, with adjustments to suit heights from 5’1” to 5’9”. Some users report technical issues with the motor and battery. Many owners note that obtaining parts for replacements and repairs can be hard. Patience is key in assembling this bike properly, to ensure the bike is safe to ride. This bike is affordable, but it may not be the safest option due to the wheel lock-up issues noted by owners.