what is the best electric bike under 400 [In 2025]

Last Updated on September 19, 2025 by foysal islam

Electric bikes have become increasingly popular in recent years, offering a convenient and eco-friendly mode of transportation for commuters and leisure riders alike. With a wide range of options available on the market, finding the best electric bike under $400 can be a daunting task. In this comprehensive review, we’ll explore three top-rated electric bikes that offer impressive features and value for your money.

Best Electric Bikes Under $400 Reviews

Electric Bike for Adults, 14″ Folding Adult E Bike with 500W Motor

Overview

This electric bike from INSDRGN packs a powerful punch with its 500W motor and 499Wh battery, providing an impressive range of up to 28 miles and a top speed of 20 mph. The folding design and compact size make it a great choice for urban commuters or frequent travelers.

Specs

• 500W peak power motor
• 499Wh battery for up to 28 miles of range
• 20 mph top speed
• 9-point suspension system for a smooth ride
• 44.99% brake rotor ratio for superior braking
• Foldable design for easy storage and transport

Pros

• Powerful motor and long-range battery
• Comfortable and smooth riding experience
• Compact and portable folding design
• High-quality braking system for added safety

Cons

• Heavier than some other folding electric bikes
• Limited color options

Customer Reviews

Customers have praised the INSDRGN electric bike for its impressive performance, comfort, and overall value. Many have highlighted the bike’s powerful motor, long-lasting battery, and smooth riding experience, making it a great choice for both commuting and leisure rides.

Electric Bike – 500W/1000W Peak Motor Electric Bicycle

Overview

The WAWSCOTE electric bike offers a powerful 500W motor and a long-range 10.4Ah battery, allowing for speeds up to 20 mph and a range of up to 55 miles. With features like front suspension, mechanical disc brakes, and a 7-speed gear system, this electric bike provides a comfortable and versatile riding experience.

Specs

• 500W peak power motor
• 10.4Ah removable battery for up to 55 miles of range
• 20 mph top speed
• Front suspension and mechanical disc brakes for safety
• 7-speed gear system for versatility
• Bright LED headlight and rear safety light

Pros

• Powerful motor and long-range battery
• Comfortable ride with front suspension and disc brakes
• Versatile 7-speed gear system
• Reliable safety features like LED lights

Cons

• Some customers report issues with battery life
• Assembly may be more complex for some users

Customer Reviews

Customers have generally been very satisfied with the WAWSCOTE electric bike, with many praising its power, range, and comfortable ride. Some have noted the battery life can vary depending on usage, and a few have mentioned the assembly process could be more straightforward.

Electric Bike for Adults, 26” 1000W Peak Ebike

Overview

The Funhang electric bike boasts a powerful 1000W peak motor, allowing for speeds up to 21.7 mph and the ability to tackle a variety of terrains. With a removable 48V battery, this electric bike can provide a range of up to 50 miles, making it a great choice for both commuting and recreational riding.

Specs

• 1000W peak power motor
• 48V removable battery for up to 50 miles of range
• 21.7 mph top speed
• Adjustable stem and lockable front suspension
• 21-speed gear system for versatility
• UL 2849 certification for electrical safety

Pros

• Powerful 1000W peak motor for impressive speed and hill-climbing
• Long-range removable battery for extended riding
• Adjustable stem and suspension for a comfortable ride
• Comprehensive safety features and UL certification

Cons

• Some customers report issues with build quality and battery life
• Heavier than some other electric bikes in this price range

Customer Reviews

Customers have generally found the Funhang electric bike to be a great value, with many praising its powerful motor, long-range battery, and comfortable ride. However, a few have reported concerns with the build quality and battery life, so it’s important to consider these factors when making a purchase decision.

Buying Guide: Choosing the Best Electric Bike Under $400

Motor Power

• Look for a motor with at least 500W of peak power for reliable performance and hill-climbing ability.

Battery Life and Range

• A battery capacity of at least 10Ah and a range of 30-50 miles will ensure you can complete your rides without running out of power.
• Removable batteries are more convenient for charging and can extend the overall lifespan of the battery.

Comfort and Ride Quality

• Features like front suspension, adjustable handlebars, and a comfortable seat will contribute to a smooth and enjoyable riding experience.
• Consider the wheel size and tire type, as larger wheels and wider tires can provide better traction and stability.

Safety Features

• Look for electric bikes with features like bright LED lights, effective brakes, and safety certifications like UL 2849.

Portability and Storage

• Folding electric bikes are a great option for those with limited storage space or who need to transport their bike frequently.
• Consider the overall weight and dimensions of the bike to ensure it’s easy to move and store.

FAQ

What is the maximum weight capacity of these electric bikes?

The maximum weight capacity for the electric bikes reviewed ranges from 220 lbs to 330 lbs, depending on the model. It’s important to check the specifications of each bike to ensure it can safely accommodate your weight.

How long does it take to charge the batteries on these electric bikes?

The charging time for the batteries varies, but generally, it takes between 4-6 hours to fully charge the batteries on these electric bikes. Some models have removable batteries, which can be more convenient for charging.

Can these electric bikes be used on different terrains?

Yes, the electric bikes reviewed are designed to handle a variety of terrains, including paved roads, off-road trails, and even some light off-roading. The larger tires and suspension systems on some models provide added stability and comfort on rougher surfaces.

Are these electric bikes easy to assemble?

Most of the electric bikes reviewed come with detailed instructions and are around 85-90% pre-assembled, making the final assembly relatively straightforward. However, some users may still find the process a bit challenging, especially if they have limited experience with bike assembly.

Do these electric bikes come with a warranty?

Yes, the electric bikes reviewed typically come with a warranty, ranging from 6 months to 1 year on different parts. The manufacturers also provide responsive customer support to address any issues that may arise during the warranty period.

Conclusion

The electric bikes reviewed in this article offer a range of features and performance at an affordable price point under $400. Whether you’re looking for a powerful and comfortable commuter bike, a versatile off-road electric bike, or a compact and portable folding model, there’s an option here that can meet your needs. By considering factors like motor power, battery life, ride quality, safety features, and portability, you can find the best electric bike to fit your lifestyle and budget. With the right electric bike, you can enjoy a hassle-free and eco-friendly mode of transportation that’s both fun and practical.