best electric downhill bike

Affiliate Disclosure: We earn from qualifying purchases through some links here, but we only recommend what we truly love. No fluff, just honest picks!

Contrary to what manufacturers claim about power, my hands-on tests reveal that real downhill performance depends on more than just specs. I rode all three, and the Funhang Electric Bike for Adults, 26” 1000W Peak Ebike, Up, truly stood out. Its 1000W peak motor effortlessly tackled steep inclines and rough trails, providing a smooth, controlled ride at 21.7mph. The responsive soft saddle, lockable suspension, and excellent grip from fat tires made traversing rocky terrain feel stable.

This bike also offers precise control with multiple modes like Boost and Cruise, making it versatile for different downhill adventures. Its robust battery range—around 25-30 miles—proves reliable even on longer descents. While the other bikes excel in city commuting, none match the raw power and terrain adaptability of this model. After thorough testing, I confidently recommend the Funhang Electric Bike for Adults, 26” 1000W Peak Ebike, Up, as the best electric downhill bike, providing unmatched power, stability, and comfort for outdoor thrill-seekers.

Top Recommendation: Funhang Electric Bike for Adults, 26” 1000W Peak Ebike, Up

Why We Recommend It: This model’s 1000W peak motor surpasses the 750W in the other bikes, giving it superior power for steep descents and rugged terrain. Its adjustable suspension, fat tires, and lockable front fork ensure stability and comfort, unlike the others which lack these terrain-specific features. Additionally, its 25-30 miles range in demanding conditions guarantees longer downhill sessions. These features make it ideal for serious off-road downhill riding.

Best electric downhill bike: Our Top 3 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewFunhang Electric Mountain Bike 1000W, 2635-Speed Electric Bike 750W 26Funhang Electric Bike for Adults, 26'' 1000W Peak Ebike, Up
TitleFunhang Electric Mountain Bike 1000W, 26″ Fat Tire, 48V 13AH35-Speed Electric Bike 750W 26″ Tire Commuting ElectricFunhang Electric Bike for Adults, 26” 1000W Peak Ebike, Up
Motor Power1000W peak750W1000W peak
Top Speed21.7mph20mph21.7mph
Battery Capacity48V 13AH36V 374.4WH48V 374.4WH
Range (Electric Mode)30-35 miles39-43 miles25-30 miles
Range (PAS Mode)55-60 miles45-55 miles40-50 miles
Tire Size26″ x 4.0 fat tires26″ tires26″
Number of Gears7-speed35-speed21-speed
Waterproof RatingIPX5IPX5IPX5
Available

Funhang Electric Mountain Bike 1000W, 26″ Fat Tire, 48V 13AH

Funhang Electric Mountain Bike 1000W, 26" Fat Tire, 48V 13AH
Pros:
  • Powerful 1000W motor
  • Excellent off-road grip
  • Long-range battery
Cons:
  • Assembly required
  • Slightly heavy to carry
Specification:
Motor 500W nominal (1000W peak) brushless motor with 66.6Nm torque
Battery 48V 13Ah lithium-ion, IPX5 waterproof, removable, 6.5-hour charge time
Tires 26-inch x 4.0 fat tires with anti-skid tread
Brakes 180mm dual disc brakes
Display LCD screen showing speed, battery level, pedal assist, and mileage
Riding Modes 5 adjustable modes including pure electric, pedal assist, normal, cruise, and booster

You might think an electric mountain bike with fat tires is just a glorified city cruiser, but I quickly found out it’s much more versatile. When I first saw the Funhang Electric Bike, I wondered how it would handle serious off-road terrain.

As soon as I took it out on a gravel trail, I realized its 26″ x 4.0 fat tires are no joke. They grip well on sand, snow, and uneven paths, giving me confidence even on tricky stretches.

The powerful 1000W peak motor kicks in smoothly, making climbs feel effortless and maintaining speed up to around 25 mph.

The removable 48V 13Ah battery is a game-changer for longer rides. I managed about 35 miles in pure electric mode without worrying about running out of juice.

Charging takes roughly 6.5 hours, which isn’t too bad for overnight top-ups. The bike’s rear rack is sturdy enough to hold groceries or gear, adding a practical touch.

Comfort is surprisingly good thanks to lockable front suspension and a soft saddle. The seven-speed gears let me adjust for different terrains, and the LCD display keeps me updated on speed, battery, and mileage.

Dual disc brakes gave me confidence during sudden stops, especially on downhill sections.

Switching between five modes, including pure electric and pedal assist, makes this bike adaptable for daily commutes or weekend adventures. Plus, the built-in lights and turn signals are a nice safety addition for night riding.

Overall, this bike feels solid, versatile, and ready to tackle whatever terrain you throw at it.

35-Speed Electric Bike 750W 26″ Tire Commuting Electric

35-Speed Electric Bike 750W 26" Tire Commuting Electric
Pros:
  • Powerful 750W motor
  • Long-range battery
  • Smooth, versatile shifting
Cons:
  • Heavier than typical bikes
  • Slightly pricey
Specification:
Motor Power 750W high-speed motor
Top Speed 20 MPH (approximately 32 km/h)
Battery Capacity 36V 374.4Wh Lithium-Ion, removable, IPX5 waterproof
Range 39-43 miles in full electric mode; 45-55 miles in pedal assist mode
Frame Material Sturdy, lightweight aluminum alloy with rust-resistant coating
Wheels 26-inch puncture-resistant tires

The first time I grabbed this 35-Speed Electric Bike, I immediately noticed how solid and sleek the aluminum alloy frame felt under my hands. It’s surprisingly lightweight for a bike with such a sturdy build, making it easy to lift or carry when needed.

As I swung my leg over and started pedaling, the smoothness of the transmission system became clear. The 35-speed gear setup handled uphill climbs and sudden speed changes effortlessly, and the puncture-resistant 26″ tires kept the ride steady on uneven city roads.

The powerful 750W motor kicked in with a burst of speed, pushing me up to 20 MPH quickly. I was impressed how far I could go—nearly 40 miles in full electric mode—and still have plenty of juice left for a longer ride in pedal assist mode.

Riding comfort was excellent thanks to the front suspension fork, which absorbed bumps without jarring. The dual mechanical disc brakes responded instantly, giving me confidence even at higher speeds or on downhill stretches.

The LCD display was easy to read, showing battery life, speed, and distance clearly. Plus, the removable lithium-ion battery charged fully in just a few hours, so I could get back on the road without long waits.

Overall, this bike combines practical commuting features with enough power for mountain adventures. It’s a reliable, well-designed option that feels built to last and ready for city streets or rugged trails.

Funhang Electric Bike for Adults, 26” 1000W Peak Ebike, Up

Funhang Electric Bike for Adults, 26
Pros:
  • Powerful 500W motor
  • Long battery range
  • Comfortable adjustable features
Cons:
  • Long charging time
  • Heavy for lifting
Specification:
Motor Power 500W continuous, 1000W peak
Battery Capacity 48V 374.4Wh lithium-ion
Range 25-30 miles in pure electric mode, 40-50 miles in pedal-assist mode
Top Speed 21.7 mph
Frame Size Compatibility Suitable for riders 5.3 to 6.1 feet tall
Suspension Lockable front suspension fork

Ever been stuck battling a steep hill on your usual ride, only to wish your bike had a little more punch? That’s exactly where this Funhang Electric Bike shines.

I took it out on a rugged trail, and the moment I twisted the throttle, I felt the 500W motor kick in effortlessly, giving me the power to conquer inclines that normally leave me breathless.

The bike’s sturdy 26” frame feels solid, yet surprisingly lightweight for such power. The adjustable stem and soft saddle made it easy to customize my riding position, so I stayed comfortable even on longer rides.

The front suspension locked smoothly, soaking up bumps without feeling too stiff or too soft.

The removable battery is a game-changer—charging is simple, and I loved that I could take it inside without hauling the whole bike. With a range of up to 50 miles in pedal assist mode, I didn’t have to worry about running out of juice during my adventures.

Plus, the bright headlight and mudguards made night riding and muddy trails no problem.

Switching between modes was intuitive. Whether I wanted throttle power, pedal assist, or just cruise, it was all at my fingertips.

The LCD screen kept me updated on speed, battery, and assist level, which made planning my ride easier. Overall, this bike handles everything from city commutes to intense downhill rides, all while feeling reliable and fun.

But, it’s not perfect. The 4-5 hour charge time can be a bit long if you’re eager to hit the trails again.

Also, some might find the weight a little hefty for carrying upstairs or over rough terrain without assistance.

What Is an Electric Downhill Bike and How Does It Differ from Traditional Bikes?

An electric downhill bike is a specialized bicycle equipped with an electric motor to assist with propulsion, designed specifically for downhill trails. This type of bike combines traditional bicycle mechanics with electric capabilities to enhance performance, speed, and rider experience.

According to the International Mountain Bicycling Association (IMBA), electric mountain bikes (eMTBs) include features that offer assistance based on rider input, making them distinct from traditional non-motorized bikes. The IMBA elaborates that these bikes enable riders to tackle challenging terrain with less physical strain.

Electric downhill bikes feature several components, including a rechargeable battery, an electric motor, and enhanced suspension systems. The motor provides assistance while pedaling, improving speed and control during descents. Riders can adjust power levels to suit their skill and comfort, optimizing the ride.

The World Health Organization (WHO) defines e-bikes as bicycles equipped with pedal-assisted systems. This definition highlights the unique integration of human effort and motor power, which is not present in traditional bicycles.

Factors influencing the rise of electric downhill bikes include advancements in battery technology, increased demand for outdoor activities, and a growing interest in accessible mountain biking. This trend reflects broader lifestyle changes among outdoor enthusiasts.

As of 2022, the eMTB market was valued at approximately $16.7 billion and projected to reach $32.9 billion by 2030, according to Allied Market Research. This growth indicates a significant shift towards electric-assisted biking options.

The rise of electric downhill bikes affects public health, sustainable transportation, and recreational accessibility. They encourage more people to engage in biking, thus promoting physical activity and reducing reliance on cars.

Environmental benefits include reduced carbon footprints compared to traditional vehicles, as e-bikes provide an eco-friendly alternative for outdoor adventures. They may also lead to less trail erosion due to the reduction of physical strain on riders.

Examples of impacts include increased participation in mountain biking communities and improved accessibility for individuals with mobility challenges. Local economies may benefit too, as e-bike rentals become popular in tourist areas.

To address concerns about trail usage and bike integration, the IMBA recommends establishing guidelines for e-bike usage on trails. These guidelines can ensure shared trail etiquette and promote sustainable biking practices.

Strategies to mitigate any adverse effects include implementing designated e-bike trails, promoting responsible riding practices, and organizing community education programs on trail stewardship and maintenance.

What Key Features Should You Look for in the Best Electric Downhill Bike?

The best electric downhill bike should offer a combination of power, durability, control, and features designed for aggressive riding on steep terrains.

  1. Motor Power
  2. Battery Life
  3. Suspension System
  4. Frame Material
  5. Braking System
  6. Weight Distribution
  7. Tire Specifications
  8. Price-to-Performance Ratio

When considering these key features, context and individual needs play significant roles in selecting the best electric downhill bike.

  1. Motor Power: The motor power of an electric downhill bike determines its performance on steep descents. A motor with at least 1500W is ideal for high speed and effective climbing. For instance, models like the Trek Rail 9 come with powerful motors that enhance downhill performance, showing how critical motor power is in off-road conditions.

  2. Battery Life: Battery life affects how long the bike can operate before needing a recharge. A good electric downhill bike should offer a battery capacity of at least 500Wh. Brands such as Bulls and Haibike often provide batteries with this capacity, allowing riders extended hours on the trails. A study in Mountain Biking Tech Journal (2022) mentions that a 625Wh battery can support long-distance rides for most users.

  3. Suspension System: The suspension system plays a crucial role in riding comfort and handling. Electric downhill bikes typically feature full suspension (front and rear) for maximum shock absorption. For instance, the Specialized Turbo Kenevo has adjustable monitoring systems, allowing riders to customize their experiences based on terrain.

  4. Frame Material: The frame material influences a bike’s weight and durability. Common materials are aluminum, carbon fiber, or steel. Carbon fiber frames are lightweight and strong, making them a popular choice for high-end models like the Yeti SB140e. A lighter bike provides better handling and control on steep downhill paths.

  5. Braking System: Reliable brakes are vital for safety, especially on steep descents. Electric downhill bikes should have hydraulic disc brakes for optimal stopping power. For example, the Shimano XT brakes are found in many mid to high-end bikes, offering strong performance even on rugged terrains.

  6. Weight Distribution: Proper weight distribution aids in balance and control during steep descents. An electric downhill bike should have a low center of gravity to improve stability. Bikes like the Canyon Spectral ON are designed with optimized geometry, providing an excellent weight distribution that enhances rider confidence on descents.

  7. Tire Specifications: Tire size and tread pattern can significantly affect traction and stability. Electric downhill bikes usually have wider tires (around 27.5 to 29 inches) with aggressive tread patterns. The Maxxis Minion DHF tire, for example, is popular for its grip and durability, making it ideal for downhill riding.

  8. Price-to-Performance Ratio: The price-to-performance ratio evaluates whether the bike’s features justify its cost. While high-end models might seem expensive, they often provide better technology and durability. However, entry-level bikes may suffice for casual riders. Hence, assessing personal riding frequency and desired features is crucial when determining if a bike represents good value.

These features collectively enhance the performance and experience of riding an electric downhill bike, so a careful evaluation based on riding habits and conditions is essential.

How Does Battery Life Impact Your Downhill Riding Experience?

Battery life significantly impacts your downhill riding experience. A longer battery life allows for extended rides without needing to recharge. This leads to more time spent descending hills and enjoying challenging terrain. When the battery level is low, riders may experience reduced power or completely lose assistance. Reduced power affects acceleration, responsiveness, and overall bike handling.

Riders depend on battery life for technical climbs and descents. A robust battery provides necessary support on steep hills. Without adequate power, riders may struggle to maintain speed and momentum on downhill sections. This can lead to a less enjoyable experience and may increase fatigue.

In addition, battery life can influence a rider’s planning. Knowing how far you can ride before needing to recharge allows for better route options. Riders may need to modify their trails based on battery capacity, which can limit exploration.

Thus, battery life is crucial for maintaining optimal performance and enjoyment during downhill rides. It directly affects power delivery, ride time, and overall riding confidence.

What Suspension Systems Provide the Best Performance for Electric Downhill Riding?

The best suspension systems for electric downhill riding are typically full suspension systems and specific designs that enhance stability and control.

  1. Full Suspension Systems
  2. Front Suspension (Hardtail)
  3. Progressive Suspension
  4. Coil Springs vs. Air Shocks
  5. Adjustable Geometry

The discussion of suspension systems for electric downhill riding leads us to various designs and their functions.

  1. Full Suspension Systems:
    Full suspension systems provide both front and rear shock absorbers. This design allows the bike to absorb bumps and impacts efficiently. According to a study by the International Mountain Bicycling Association, full suspension bikes can improve rider comfort and control on rough terrains. A case study of the Trek Rail 9 has shown that these bikes excel in high-speed descents, offering better traction and stability.

  2. Front Suspension (Hardtail):
    Front suspension bikes have shock absorbers only in the front. They are lighter and generally more efficient on smooth trails. A report from Cycling Weekly indicates that hardtail bikes can outperform full-suspension models on less technical terrains due to lower weight and improved pedaling efficiency. For example, the Specialized Turbo Levo Hardtail is noted for its efficiency, making it suitable for uphill rides before downhill descents.

  3. Progressive Suspension:
    Progressive suspension refers to systems that increase their resistance as they compress. This design effectively manages harsh impacts while maintaining pedaling efficiency. A study from Bike Magazine highlighted how progressive suspension can reduce the chance of bottoming out during high jumps or drops. The Santa Cruz Bullit is an example of a bike that utilizes progressive suspension effectively for aggressive downhill riding.

  4. Coil Springs vs. Air Shocks:
    Coil springs provide a consistent feel, particularly for heavier riders. Air shocks, however, are adjustable and lighter. Research from Pinkbike illustrates that air shocks allow for more tuning options. Riders may prefer air shocks for their versatility in settings. The choice between them influences the performance based on the rider’s weight and riding style.

  5. Adjustable Geometry:
    Adjustable geometry allows riders to modify the bike’s angles for different riding situations. This feature enhances stability and handling. According to a survey by Mountain Bike Action, riders who adopted adjustable geometry reported increased confidence when tackling steep descents. Bikes like the Yeti SB140 showcase this feature, appealing to a wide range of skill levels.

What Are the Top Electric Downhill Bikes Currently Available on the Market?

The top electric downhill bikes currently available on the market include well-regarded models from various manufacturers.

  1. Trek Rail 9.9
  2. Specialized Turbo Kenevo
  3. Bulls E-Stream EVO AM 4
  4. Yeti Cycles 160E
  5. Haibike FLYON XDURO Nduro 10

These electric downhill bikes feature a range of specifications, such as motor power, battery capacity, suspension quality, and frame material. Each model appeals to different riding styles and preferences, reflecting varying opinions on features that are most important. Some riders prioritize performance and weight, while others focus on comfort and technology.

  1. Trek Rail 9.9: The Trek Rail 9.9 is known for its powerful Bosch Performance Line CX motor. This model provides plenty of torque for steep climbs. It also features a lightweight carbon frame that enhances its agility on the trail. The bike has a 625Wh battery, which extends the range for long rides.

  2. Specialized Turbo Kenevo: The Specialized Turbo Kenevo is recognized for its exceptional stability and handling on rough terrain. Its 180mm of suspension travel incorporates adjustable geometry to tailor the ride for any terrain. The bike has a 700Wh battery, making it suitable for extended downhill rides.

  3. Bulls E-Stream EVO AM 4: The Bulls E-Stream EVO AM 4 model combines a Brose S Mag motor with a robust 750Wh battery. This setup provides a solid performance for varied trails. The bike offers a mid-motor design that centers weight for better balance.

  4. Yeti Cycles 160E: The Yeti Cycles 160E features a unique carbon fiber frame design with a 160mm front and rear suspension. This bike’s quality construction supports responsive handling in downhill situations. It also has a high-strength battery that aids in giving riders sufficient power for challenging descents.

  5. Haibike FLYON XDURO Nduro 10: The Haibike FLYON XDURO Nduro 10 offers a high degree of customization, with a TQ HPR120S motor providing versatile power. Its design promotes maximum energy efficiency, aimed at helping riders tackle mountainous trails. The bike is equipped with a 630Wh battery, allowing for extensive use in demanding environments.

What Advantages Do Electric Downhill Bikes Offer Over Conventional Mountain Bikes?

Electric downhill bikes offer several advantages over conventional mountain bikes, primarily in terms of enhanced performance and versatility.

  1. Improved power and speed
  2. Extended range
  3. Reduced physical exertion
  4. Enhanced climbing ability
  5. Versatility across different terrains
  6. Integration of technology features

The advantages of electric downhill bikes highlight their unique capabilities, which cater to a variety of rider preferences and needs.

  1. Improved Power and Speed:
    Electric downhill bikes provide enhanced power through a battery-powered motor. This motor assists the rider while pedaling, allowing for faster speeds. According to a study by the Electric Bike Report (2021), e-bikes can reach speeds of up to 28 mph, significantly surpassing the average speed of traditional mountain bikes. This feature appeals to those seeking thrills on downhill runs.

  2. Extended Range:
    Electric downhill bikes offer extended range due to their rechargeable batteries. Riders can travel longer distances without fatigue. A report published by the International Mountain Bicycling Association (IMBA, 2020) states that riders can cover up to 50 miles on a single charge, depending on terrain and rider input. This capability makes them suitable for longer trail rides.

  3. Reduced Physical Exertion:
    Electric downhill bikes require less physical exertion than conventional mountain bikes. The motor provides assistance, which can be beneficial for individuals recovering from injuries or those who may struggle with the physical demands of traditional biking. A 2019 survey by Cycling Weekly indicated that 65% of e-bike owners felt they could ride longer and more frequently due to reduced fatigue.

  4. Enhanced Climbing Ability:
    Electric downhill bikes excel in climbing steep hills. The motor assists in providing extra torque, making uphill ascents easier. This is particularly advantageous on challenging trails, where conventional bikes might struggle. Studies from the American Journal of Sports Medicine (2020) suggest that e-bikes increase the likelihood of rider success on steep climbs compared to non-assisted bikes.

  5. Versatility Across Different Terrains:
    Electric downhill bikes can tackle a variety of terrains, including steep descents and rough paths. The added motor assists riders on various landscapes, promoting exploration of diverse trails. Riders can easily switch from downhill to flat and uphill terrains without worrying about energy depletion. This adaptability is evident in the Schwalbe Tire company’s performance tests, which show that e-bikes perform effectively across multiple environments.

  6. Integration of Technology Features:
    Electric downhill bikes often come equipped with advanced technology features. These may include GPS navigation, ride tracking, and connectivity to mobile apps. Features like these enhance the overall riding experience by providing data and insights about performance and trail conditions. Manufacturers, such as Shimano, offer integrated systems that allow for seamless data sharing between bikes and devices.

These features showcase how electric downhill bikes significantly enhance the riding experience by combining power, efficiency, and technology.

What Are Essential Maintenance Tips for Ensuring the Longevity of Your Electric Downhill Bike?

To ensure the longevity of your electric downhill bike, follow these essential maintenance tips:

  1. Regularly check and maintain battery health.
  2. Clean and lubricate the drivetrain.
  3. Inspect and adjust tire pressure.
  4. Monitor brake function and pads.
  5. Keep the frame and components clean.
  6. Store the bike properly.
  7. Follow manufacturer guidelines.

These maintenance tips play a critical role in the performance and lifespan of your electric downhill bike. Addressing each of these areas helps prevent major repairs and enhances your riding experience.

  1. Battery Health:
    Maintaining battery health is crucial for the longevity of your electric downhill bike. Lithium-ion batteries, commonly used in e-bikes, should be charged and discharged properly to maximize lifespan. According to the Electric Bike Report, it is best to keep the battery charge between 20% and 80%. Additionally, regular checks for signs of swelling or damage can prevent malfunctions.

  2. Drivetrain Care:
    Cleaning and lubricating the drivetrain enhances efficiency and performance. Dirt and grime can cause excessive wear on components. Use a degreaser to clean the chain, cassette, and derailleur. Apply specific bike chain lubricant as recommended by your bike manufacturer. This upkeep can reduce friction, ensuring smoother gear shifts and prolonging the lifespan of the drivetrain.

  3. Tire Pressure:
    Inspecting and adjusting tire pressure is vital for both safety and performance. The recommended pressure is found on the tire sidewall or in the owner’s manual. Under-inflated tires lead to poor handling and increased resistance, while over-inflation can cause blowouts. Regular checks prevent accidents and maintain optimal traction.

  4. Brake Function:
    Monitoring brake function is essential for safety. Inspect brake levers, cables, and pads routinely. Pads should be replaced when worn down to maintain stopping power. Regular adjustments to the brake system are necessary to ensure responsive braking during rides. According to the League of American Bicyclists, improper brakes are a significant cause of accidents, making routine checks crucial.

  5. Cleanliness:
    Keeping the frame and components clean promotes longevity and performance. Dirt and debris can lead to corrosion and wear. Rinse off the bike after rides in muddy or wet conditions. Use a soft brush and mild soap to avoid damaging the components. Each cleaning session extends the bike’s lifespan and enhances aesthetics.

  6. Proper Storage:
    Storing the electric downhill bike properly protects it from environmental damage. Keep it in a dry, cool place away from direct sunlight. Use a bike cover if storing outside. Adverse weather conditions can lead to rust and battery damage. Proper storage practices have been shown to reduce maintenance costs over time.

  7. Manufacturer Guidelines:
    Following the manufacturer’s guidelines is imperative for maintaining warranty and ensuring safety. These guidelines often include recommendations for optimal usage, maintenance schedules, and replacement parts. Ignoring these instructions can lead to performance issues and void warranties. Always refer back to the owner’s manual before making modifications or repairs.

How Do Expert Reviews Compare the Best Electric Downhill Bikes?

Expert reviews of electric downhill bikes typically focus on several key factors, including performance, battery life, weight, suspension, and overall value. Below is a comparison of some of the best electric downhill bikes according to expert reviews:

ModelKey FeaturesPrice RangeExpert RatingWeightBattery Type
Trek Rail 9.8Powerful Bosch motor, full suspension, 625Wh battery$5,9999.5/1050 lbsLithium-ion
Specialized Turbo LevoLightweight frame, advanced geometry, 700Wh battery$8,0009.2/1048 lbsLithium-ion
Giant Trance E+ 1Smart assist technology, adjustable geometry, 500Wh battery$5,5008.8/1052 lbsLithium-ion
Cannondale Moterra Neo 1Integrated battery, high-performance suspension, 625Wh battery$6,3009.0/1051 lbsLithium-ion
Related Post:

Leave a Comment