Ebike Battery Manufacturer

We are a China-based wholesaler and exporter specializing in high-quality ebike batteries. As a electric bicycle battery supplier, our offerings include customizable options ranging from 24V to 72V, with exceptional customer service, fast shipping, and competitive prices. Trust us to provide batteries that meet industry standards for performance, safety, and innovation.

E-bike Battery Pack Supplier in China

Our Products

We are a custom e-bike battery manufacturer with more than 10 years of experience specializing in lithium-ion batteries for various light electric vehicles such as e-bikes, e-scooters, drones, and golf carts. We offer customized solutions for size, housing, capacity, and labeling. Our team is dedicated to providing efficient and reliable service, ensuring that you receive the best possible products and support. Contact us today to learn more!

Need Battery Solution?

Your Custom Electric Vehicle Ebike Battery manufacturer. 
1,Waterproof ratings:IPX5,effectively resisting water attack from bad weather and low pressure cleaning
2、Passing the  UN38.3 vibration test 
3、Passing drop testing from one meter

Imported Original Cells

Samsung /LG etc imported original cells ensures the reliability, safety and long term service life.

Well designed BMS

Intelligent protective BMS module for balancing cells.  protection against over-charging, over-discharging and current shorting etc.

Battery Customization

Size, housing, capacity and label could be customized as per client’s requirements.

Long guaranty time

All battery backs will be guaranteed 12-24 months long warranty time.

Electric Bike Battery Provider

Brand New A-grade Imported / Domestic Power Cells

  • Embedded bracket module for better shockproof and heat dissipation.
  • A-grade automotive-grade batteries
  • Good consistency of molded nickel chip/discharge balance/internal resistance
  • Built-in high-performance protection board to protect the battery stable output
  • Sufficient capacity, low internal resistance, strong consistency, long cycle life.
Brand new A-grade Imported / Domestic Power Cells
overpower protection

Overpower protection

anti-reverse protection

Anti-reverse protection

overcharge protection

Overcharge protection

overdischarge protection

Overdischarge protection

Overcurrent protection

Overcurrent protection

Short-circuit protection

Short-circuit protection

Temperature protection

Temperature protection

Overvoltage protection

Overvoltage protection

Why Choose Us ?

At EcoRunBattery, we provide our customers with more than just off-the-shelf e-bike batteries; we offer a full suite of battery customization services designed to meet and simplify our customers’ complex needs, making it easier for them to achieve their goals and grow their businesses.

  • Cell selection
  • Electrical BMS design
  • Mechanical design
  • Quick-turn prototyping
  • Regulatory testing
  • Quality battery pack manufacturing & warehousing

4 Good Reasons

for choosing EcoRunBattery as your light electrical vehicle battery supplier


With 11 years of expertise, we're China's leading ebike battery manufacturer. Our 300+ successful cases attest to our commitment to quality. We prioritize customer satisfaction with 100% post-sales support.

Quality Control

Specialized in creating high-quality battery packs using the latest cell technology from top industry suppliers. Our proven designs ensure consistent and reliable performance.

Safety Control

We prioritize battery safety through rigorous testing, certified compliance, and trusted brands like Samsung, Sony, LG, and Panasonic. Your safety is paramount to us.

Customer Support

Support custom design, fast assembly turnaround (15-30 days), and safety-focused packaging, prioritizing your needs and satisfaction.

Frequently Asked Questions

Our commitment to environmental sustainability and energy efficiency is reflected in the numerous benefits that EcoRunBattery standard and custom electric bike batteries offer. Our solutions are cost-effective and designed to deliver high-performance, making them an excellent choice for riders who demand quality. We take pride in our work, and we are confident that you will appreciate the durability and reliability of our electric bike batteries. So if you are looking for a battery manufacturer that combines environmentally responsible design with exceptional performance and a cost-effective price-point, look no further than EcoRunBattery. We are dedicated to helping you achieve your client biking goals with confidence and ease, and grow your business.

In the realm of electric bike batteries, we provide cutting-edge smart battery solutions tailored for wholesalers and e-bike manufacturers seeking both efficient battery performance and advanced communication systems.

E-bike batteries come in various types, each with unique characteristics and designs to fit different electric bike models and preferences. Here are some common types of e-bike batteries:

  1. Downtube Battery: These batteries are integrated into the downtube of the e-bike frame, offering a sleek and aerodynamic appearance while providing a balanced weight distribution.

  2. Polly Battery: Polly batteries are often used in compact e-bike designs and are known for their cylindrical shape, making them easy to install and replace.

  3. Hailong Battery: Hailong batteries are designed to fit within a specific type of battery case, offering a secure and convenient mounting solution.

  4. Frog Battery: Frog batteries are compact and lightweight, ideal for smaller e-bike frames or folding bikes.

  5. Rectangle Battery: These batteries have a rectangular shape and are commonly used in e-bikes with frames that accommodate this form factor.

  6. Rear Rack Battery: Rear rack batteries are mounted on the rear rack of the e-bike, providing ample storage space and easy access for charging.

  7. Silverfish Battery: Silverfish batteries have a slender, elongated shape, often used in step-through or city-style e-bikes.

  8. Triangle Battery: Triangle batteries are designed to fit within the triangle space of the e-bike frame, offering a seamless integration and preserving the bike’s aesthetics.

  9. Water Bottle Battery: These batteries are shaped like a water bottle and can be mounted on the bike’s water bottle cage mounts for a discreet appearance.

  10. 21700 E-bike Battery: These batteries use 21700-sized lithium-ion cells, known for their high energy density and performance. They are commonly used to create high-capacity and high-power e-bike batteries.

Each type of e-bike battery has its advantages and trade-offs, allowing riders to choose the one that best suits their specific needs and preferences. We have the ability to provide you the best batteries for your different electric bike application.

The main differences between these types of battery packs lie in the size, capacity, and chemistry of the battery cells they use. The terms mentioned can sometimes overlap or be used interchangeably.Here’s a breakdown of the key distinctions:

  • 18650 Battery Pack:
    Size: 18mm in diameter and 65mm in length.
    Chemistry: Typically uses lithium-ion chemistry.
    Capacity: Generally ranges from 1,800mAh to 3,500mAh per cell.
    Applications: Commonly used in laptops, flashlights, ebike, and other electronic devices.
  • 21700 Battery Pack:
    Size: 21mm in diameter and 70mm in length.
    Chemistry: Often uses lithium-ion chemistry.
    Capacity: Offers higher capacity than 18650 cells, typically ranging from 3,000mAh to 5,000mAh.
    Applications: Becoming more popular in electric vehicles (EVs), power tools, and larger electronic devices due to their higher capacity and energy density.
  • 26650 Battery Pack:
    Size: 26mm in diameter and 65mm in length (slightly larger than 18650).
    Chemistry: Typically uses lithium-ion or LiFePO4 (LFP) chemistry.
    Capacity: Offers higher capacity than 18650 cells, ranging from 3,000mAh to 6,000mAh.
    Applications: Commonly used in flashlights, high-powered devices, and some EV applications.
  • LiFePO4 Battery Pack:
    Chemistry: LiFePO4, which stands for Lithium Iron Phosphate, is known for its enhanced safety, longer cycle life, and thermal stability compared to standard lithium-ion cells.
    Capacity: Generally has a lower energy density compared to standard lithium-ion, but it offers better stability and longevity.
    Applications: Often used in electric vehicles, solar energy storage, and other applications where safety and longevity are critical.
  • Lithium-Ion Battery Pack:
    This is a broad term that encompasses various types of lithium-ion battery packs, including those using 18650, 21700, or 26650 cells, as well as other form factors.
    Lithium-ion battery packs are widely used in a range of applications, from consumer electronics to electric vehicles, depending on the specific cell type and configuration.
  • Cylindrical Lithium-Ion Battery Pack:
    This category encompasses various cylindrical lithium-ion cells, including 18650, 21700, and 26650 cells.
    Size: Can vary based on the specific cell type used.
    Chemistry: Can include both standard lithium-ion and LiFePO4 cells.
    Capacity: Varies depending on the specific cell type and application.
    Applications: Used in a wide range of devices and applications, depending on the cell type and capacity. Commonly found in consumer electronics, power banks, electric bikes, and more.
  • Rechargeable Battery Pack:
    This is a generic term that can encompass any type of battery pack that can be recharged for repeated use.
    It includes various chemistries, such as lithium-ion, LiFePO4, nickel-metal hydride (NiMH), and more.
    Rechargeable battery packs are used in a wide range of devices and applications, including portable electronics, power tools, and renewable energy storage.

In summary, the differences among these terms primarily relate to the specific battery cell size, chemistry, and the applications they are commonly used in. Rechargeable battery packs can include various chemistries and cell sizes, depending on the desired performance and characteristics for a particular application. Please contact our expertise to custom the most suitable and competitive ebike batteries for you.

Here are generally three common types of bike batteries. Please contact our expertise to custom the most suitable and competitive ebike batteries for you.

  • 18650 battery packs for bikes, available in various voltage options (24V, 36V, 48V, 60V, and 72V).
  • 21700 battery packs for bikes, featuring higher capacity than standard 18650 cells.
  • Lifepo4 battery packs for bikes, known for their durability and long cycle life, exceeding 2000 cycle.

Our Electric bike batteries come with a range of specifications and features designed to meet various needs and preferences. Here are some key aspects of our offerings:

  1. Customizable Shapes: We offer diverse shapes and designs of batteries to suit your specific requirements. Whether you need a compact and dense design or have unique mounting constraints, we can tailor the battery shape accordingly.

  2. High Energy Density: Our batteries are designed to provide high energy density, ensuring longer riding distances on a single charge.

  3. Longevity: We prioritize battery longevity through quality cell selection and robust construction, resulting in a longer lifespan for your e-bike battery.

  4. Advanced Communication Systems: Some of our models are equipped with advanced communication systems, allowing you to monitor and manage battery performance in real-time, track usage, and optimize power delivery.

  5. Quick Charging: Our batteries support fast charging, reducing downtime and allowing you to get back on the road quickly.

  6. Safety Features: We incorporate safety features such as overcharge protection, over-discharge protection, short-circuit protection, and thermal management systems to ensure the safety of both the battery and the rider.

  7. Compatibility: Our electric bike batteries are designed to be compatible with a wide range of e-bike models, making them versatile and adaptable.

  8. Capacity Options: We offer various capacity options to meet different riding needs, from commuting to long-distance touring.

  9. Easy Installation: Our batteries are designed for easy installation, and we provide clear instructions to ensure a hassle-free setup process.

  10. Environmentally Friendly: We prioritize environmental sustainability in our battery designs, making them energy-efficient and eco-friendly.

  11. Warranty: We stand behind the quality of our batteries and offer warranties to provide peace of mind to our customers.

Please contact us to discuss your specific requirements, and we will work closely with you to design an electric bike battery that meets your exact needs, regardless of the shape, size, or performance characteristics you desire.

  1. IQC– Check the quality of materials and use high-quality lithium-ion battery cells from reputable manufacturers.

  2. Cell Testing-Test the selected cells for capacity, voltage, internal resistance, and other parameters.

  3. Cell Sorting-Ensure lowest cells’ D-value. Such as 3 m-ohm of resistance and 5 mv of voltage.

  4. Cell Assemble-Ranging the cells, adding barley paper and nickel sheet for insulation.

  5. Welding-Assembling BMS to monitor and protect the battery.

  6. Wiring and Connectors-Attach wiring and connectors to the battery pack for electrical connections to the e-bike’s motor, controller, and other components.

  7. Preliminary test-To test batteries’ over charge, over discharge, over current and capacity.

  8. Body assemble-battery enclosure and packaging, attach wiring and connectors to the battery pack.

  9. Aging testing-To test batteries’ over charge, over discharge, over current and capacity.

  10. QC– Check the quality of battery. Packaging and Labeling, Ex factory.

Ensuring the quality and safety of electric bike batteries is crucial. Quality checks and testing are critical during the manufacturing process. These checks are included:

  • Cell Testing: Each individual lithium-ion cell should undergo testing for capacity, voltage, and internal resistance to ensure it meets specifications.

  • Assembly Quality: The assembly process should be closely monitored to prevent defects such as loose connections, incorrect wiring, or damage to cells.

  • Performance Testing: Batteries should undergo performance testing to verify capacity, discharge and charge rates, and cycle life.

  • Safety Testing: Safety features such as overcharge protection, over-discharge protection, and thermal management should be tested to ensure they function correctly.

  • Environmental Testing: Batteries may be subjected to environmental tests, including temperature cycling, vibration, and humidity testing, to assess their durability.

  • Quality Control: A comprehensive quality control process should be in place to catch any defects or issues before the batteries are shipped.

By adhering to these quality checks and certifications, we can ensure that our electric bike batteries meet safety and performance standards and provide a reliable and safe riding experience for users.

The time it takes to charge an electric bike battery can vary significantly based on several factors, including the following:

  1. Battery Capacity: The larger the capacity of the battery (measured in watt-hours, or Wh), the longer it will take to charge. A higher-capacity battery will require more energy to reach a full charge.

  2. Charger Output: The charger’s output power, measured in watts (W), plays a crucial role in determining charging speed. A higher-wattage charger can provide more power to the battery, resulting in faster charging times.

  3. Battery Voltage: Electric bike batteries can have different voltage ratings. Higher voltage batteries tend to charge faster because they can accept a higher power input without overheating.

  4. Charging Rate: Some batteries and chargers allow for variable charging rates. Charging at a higher rate will decrease charging time, but it may generate more heat, which can affect battery longevity.

  5. Battery Chemistry: Different battery chemistries (e.g., lithium-ion, lithium-polymer) have varying charging characteristics. Some chemistries can handle faster charging, while others require more conservative charging rates for safety.

  6. State of Charge: Charging time is not linear. The closer a battery is to full charge, the slower the charging rate becomes. It’s faster to charge a partially depleted battery from, say, 20% to 80% than from 80% to 100%.

  7. Environmental Conditions: Temperature can affect charging speed. Charging in extreme cold or heat can slow down the process or require additional safety measures.

  8. Battery Management System (BMS): The BMS in the battery may control the charging process, monitor cell temperature, and ensure safety. Some BMS systems may limit the charging rate to protect the battery.

  9. Cell Configuration: The configuration of cells within the battery pack can impact charging time. Series-parallel arrangements can affect how cells charge and balance.

As a result of these factors, it’s challenging to provide a specific time for charging an electric bike battery without knowing the battery’s specifications and the charger’s capabilities. Charging times can range from a few hours (for smaller capacity batteries with high-wattage chargers) to several hours (for larger capacity batteries with standard chargers).

To determine the charging time for a specific electric bike battery, you should refer to the manufacturer’s specifications, which often provide an estimated charging time under ideal conditions. Additionally, it’s advisable to use the charger provided by the manufacturer to ensure safe and efficient charging.

Taking proper care of your e-bike battery is essential to ensure its longevity and optimal performance. Here are some care tips for EcoRunBattery E-bike batteries:

  1. Regular Charging: It’s a good practice to charge your e-bike battery regularly, even if you’re not using it frequently. Charging at least once a week helps maintain the battery’s health and prevents it from deep discharge, which can be detrimental to its capacity.

  2. Avoid Full Discharge: As you mentioned, avoiding complete discharge is important. Try to avoid running your battery until it’s completely empty. Most e-bike systems have built-in safeguards to prevent over-discharge, but it’s still best to avoid it when possible.

  3. Temperature Considerations: Extreme temperatures, both hot and cold, can negatively impact battery performance and lifespan. Store your e-bike in a cool, dry place when not in use, and avoid charging it in extremely hot or cold conditions.

  4. Use the Right Charger: Always use the charger provided by the manufacturer or a compatible, high-quality charger. Using the wrong charger can damage the battery.

  5. Avoid Rapid Charging: While some e-bike batteries support fast charging, it’s not necessary for everyday use. Charging at a slower rate can be gentler on the battery and extend its life.

  6. Store Partially Charged: If you plan to store your e-bike for an extended period (weeks or months), it’s best to store the battery with a partial charge, ideally in the 50% range. This helps prevent over-discharge or overcharge during storage.

  7. Regular Maintenance: Keep your e-bike and battery clean and well-maintained. Check for loose connections, ensure proper seating of the battery, and inspect for any visible damage or wear.

  8. Follow Manufacturer Guidelines: Always refer to the manufacturer’s instructions and guidelines for your specific e-bike battery model. They may provide specific care recommendations and warranty information.

By following these care tips, you can help prolong the lifespan and maintain the performance of your EcoRunBattery E-bike battery, ensuring that it serves you well over the long term.

The life of an electric bike (e-bike) battery can be influenced by several factors, including the ones mentioned below:

  1. Use of the Right Gear at the Right Time: Proper gear selection and gear shifting can affect the effort required from the electric motor. Using the appropriate gear for the terrain and your riding conditions can help reduce the strain on the battery and extend its life.

  2. Weight of the Rider and Extra Load: The combined weight of the rider and any additional cargo or load carried on the e-bike can impact battery performance. Heavier loads require more power from the motor, which can lead to faster battery depletion.

  3. Terrain Conditions: Riding on hilly or uneven terrain can put more stress on the e-bike motor and battery. Climbing steep hills or navigating challenging terrain requires higher power output, which can reduce battery life.

  4. Frequent Stops: Frequent starts and stops, such as in city commuting, can impact battery efficiency. Energy is consumed during acceleration, so minimizing frequent stops can help conserve battery power.

  5. Pressure in Tires: Maintaining the proper tire pressure is important for efficient riding. Under-inflated tires can increase rolling resistance, requiring more energy from the battery to maintain speed.

  6. Aerodynamics: Wind resistance, especially at higher speeds, can affect battery efficiency. Riding in a more aerodynamic position and reducing wind resistance can help conserve energy.

  7. Weather: Extreme weather conditions can impact battery performance. Very cold temperatures can reduce battery capacity temporarily, while extremely hot conditions can cause the battery to overheat. Storing the e-bike in a climate-controlled environment can mitigate these effects.

  8. Electric Bike Motor: The motor’s power and efficiency can vary between different e-bike models. A more efficient motor can make better use of the battery’s capacity, potentially extending its life.

  9. Charging Habits: Charging and discharging the battery properly can influence its overall lifespan. Following best practices for charging, as mentioned in previous responses, is essential.

  10. Battery Maintenance: Regular maintenance, such as cleaning and inspecting battery connections, can help ensure the battery operates optimally.

  11. Battery Chemistry: The type of battery chemistry used (e.g., lithium-ion, lithium-polymer) can impact lifespan. Some chemistries have a higher number of charge cycles and are more durable than others.

  12. Quality of Components: The quality of the battery, charger, and other components can affect longevity. Higher-quality components are often more reliable and long-lasting.

It’s important to note that e-bike battery life is measured in charge cycles. A charge cycle is typically defined as a full charge from 0% to 100%. As the battery goes through more charge cycles, its capacity gradually decreases. However, with proper care and attention to the factors mentioned, you can extend the life of your e-bike battery and enjoy years of reliable performance.

We can ship e-bike batteries by air and by sea which involves different procedures and considerations due to varying transportation methods and regulations. Here’s how we can ship e-bike batteries using each mode of transportation:

Shipping E-Bike Batteries by Air:

  1. Select an Air Freight Service: Choose a reputable air freight carrier experienced in handling hazardous materials, including lithium-ion batteries.

  2. Packaging: Ensure that the e-bike batteries are packaged securely and in compliance with International Air Transport Association (IATA) regulations. Use approved packaging materials and follow the carrier’s guidelines.

  3. Documentation: Complete all necessary shipping documents, including the Air Waybill, Dangerous Goods Declaration (if applicable), and customs forms for international shipments. Provide accurate information about the batteries’ specifications, classification, and value.

  4. Hazardous Materials Declaration: If required, declare the batteries as hazardous materials and follow the specific regulations for lithium-ion batteries, including proper labeling and documentation.

  5. Customs Clearance: If shipping internationally, prepare for customs clearance at both the departure and destination airports. Ensure that all customs documentation is accurate and complete.

  6. Shipping Insurance: Consider purchasing shipping insurance to protect against loss or damage during transit.

  7. Carrier Regulations: Comply with the carrier’s regulations and guidelines for shipping lithium-ion batteries. These may include specific labeling requirements and restrictions on battery capacity.

  8. Handling Instructions: Clearly mark the packages with handling instructions, such as “Lithium-ion Batteries – Handle with Care” and “No Short Circuits.”

  9. Track and Trace: Utilize the carrier’s tracking and tracing services to monitor the shipment’s progress and receive updates on delivery.

Shipping E-Bike Batteries by Sea:

  1. Select a Shipping Carrier: Choose a reputable ocean freight carrier with experience in handling lithium-ion batteries and hazardous cargo.

  2. Containerization: E-bike batteries are often shipped in containers, either in bulk or as part of e-bike assemblies. Ensure that the batteries are properly secured within the container to prevent movement and damage.

  3. Documentation: Complete all required shipping documentation, including the Bill of Lading, hazardous materials declarations (if applicable), and customs forms for international shipments.

  4. Customs Clearance: Prepare for customs clearance at both the departure and arrival ports. Follow the customs regulations and provide accurate documentation.

  5. Hazardous Materials Declaration: If the batteries are classified as hazardous materials, ensure compliance with international regulations and guidelines for shipping lithium-ion batteries by sea.

  6. Container Labeling: Clearly label the shipping container with hazardous materials warnings and handling instructions in accordance with international regulations.

  7. Shipping Insurance: Consider purchasing shipping insurance to protect against loss or damage during transit.

  8. Carrier Regulations: Adhere to the carrier’s regulations and guidelines for shipping lithium-ion batteries by sea, including any specific requirements for packaging and labeling.

  9. Track Shipment: Stay informed about the shipment’s progress and estimated arrival time through the carrier’s tracking services.

Shipping e-bike batteries by air and sea requires careful attention to regulations, proper documentation, secure packaging, and compliance with carrier guidelines. It’s essential to work with experienced logistics providers who are knowledgeable about the specific requirements for shipping lithium-ion batteries using each mode of transportation. We are experienced in battery shipping, if you don’t have your own shipping company. We can arrange transportation to make sure the batteries get to you safely and quickly.

All Types of Battery Pack Available
Safe and Reliable E-Bike Battery Manufacturer

We are here to help you make long lifespan, nice quality and competitive Electric Bike Battery Pack

rear rack e-bike battery application for electric bicycle

Looking For An Excellent Ebike Battery Manufacturer ? Contact Us Today!