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Ebike Battery Manufacturer & Supplier In China
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One Stop New Ebike Battery Factory For 10 Years
With over a decade of experience in the battery industry, KET is a leading provider of professional-grade ebike battery packs for wholesale. Our expertise extends to offering tailored solutions for a range of applications, including home and commercial energy storage systems, ebike, tractors, lawn care equipment, and more.
At KET, we pride ourselves on being able to customize our batteries to meet the unique needs of each client. From size and capacity, to voltage and casing, we can accommodate your specific requirements. Simply share your specifications with our sales team and we'll provide you with a comprehensive solution within 24 hours.
Quality and safety are our top priorities, which is why our standard products are certified to meet industry standards such as UL, CE, CB, ROHS, UN38.3, MSDS, TUV, and more. With these certifications, our batteries are suitable for use and sale in most countries around the world.

Strict Quality Control For Your Ebike Battery
At KET, we place a strong emphasis on quality control. As a manufacturer of ebike battery, we recognize the critical importance of reliability and safety, and we have implemented stringent measures throughout our production process to guarantee that each ebike battery pack we produce is of the highest quality.
To achieve this, we have invested in state-of-the-art equipment, including an automatic electric battery cell sorting machine, overcharge and shock testers, protection board testers, comprehensive testers, and high and low temperature test boxes. These tools enable us to thoroughly test and verify the performance of all our products.
Before shipment, we undergo a rigorous testing process that includes high and low temperature testing, charge/discharge testing, aging testing, core capacity division, incoming inspection, protection board testing, and vibration testing.
We have implemented a comprehensive quality management system based on ISO 9001 standards, which ensures that we consistently meet or exceed customer expectations in all aspects of our operations.
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Your Best Ebike Battery For Sale
KET only produce lithium batteries for ebikes now. There are more and more people have lithium batteries as the first choice ebike batterys choice.
As a trustworthy manufacturer of ebike battery, KET offers personalized solutions, including custom dimensions, capacities, logo, and more, to cater to your unique needs and requirements. Reach out to us with your specifications and we'll respond promptly!
- Production Line
- Production & Test Equipment
- Certification
Battery Detector
Automatic Wire Stripping Machine
Vibration Testing Machine
Salt spray test cabinet
Rechargeable battery performance testing equipment
Lithium battery automatic testing equipment
Discretionary cabinets
Battery charge and discharge test system
Integrated Tester
Automatic spot welding machine
UN38.3
MSDS
ISO 9001 2015
invention of Lithium battery testing equipment
CE
How To Choose The Right Batteries For Ebike?
Choosing the right battery for your ebike requires considering several factors:
1.Voltage: Most ebike batteries range from 36V to 72V. Choose a voltage that matches the specifications of your bike's motor.
2.Capacity: Measured in Ah (Amp-hours), this determines how long the battery will last between charges. A higher capacity battery will last longer, but will also be heavier and more expensive.
3.Size and weight: Ensure the battery fits in the designated space on your bike and is not too heavy for you to handle.
4.Type: Lithium-ion (Li-ion) batteries are the most common type for ebikes, but there are also lead-acid batteries. Li-ion batteries are lighter, last longer and have a lower rate of self-discharge, but they are also more expensive.
5.Brand and quality: Choose a reputable brand with a good warranty and customer support.
6.Charging time: Consider how long it takes to fully charge the battery and if it meets your needs.
Remember, a high-quality battery is an investment that can greatly enhance your ebike experience and ensure reliable performance over time.
How To Custom Your Ebike Battery?

Note: Due to different custom requirements there will be different MOQ requirements, while the cost of raw materials for batteries has fluctuated a lot recently. So please contact us in time and get the latest ebike battery quotes.
Which Type Of Battery Is The Best Battery For Ebike?
There are several types of batteries that can be used for electric bikes, including:
1.Lead-acid batteries: These are the most economical and widely used type of batteries, but they are heavy and have a shorter life span compared to other types of batteries.
2.Nickel-cadmium (NiCad) batteries: These batteries are relatively lightweight and have a long life span, but they are expensive and have a memory effect that can reduce their performance over time.
3.Nickel-metal Hydride (NiMH) batteries: These batteries are more affordable than NiCad batteries and have a longer life span, but they are still relatively heavy compared to other types of batteries.
4.
Lithium-ion batteries: These batteries are lightweight, have a long life span, and are highly efficient, making them the most popular choice for electric bikes.
Based on the above,
lithium-ion batteries are the best option for electric bikes due to their lightweight, long life span, and efficiency. Now there are more and more people have
lithium ion batteries as the first choice ebike battery choice.
Recommendations For Ebike Battery Safety
To ensure e-bike battery safety, it is recommended to:
1.Use the charger that came with the bike or an approved replacement.
2.Store the battery in a dry and cool place when not in use.
3.Avoid exposing the battery to extreme temperatures, both hot and cold.
4.Keep the battery away from fire, water and other sources of ignition.
5.Use caution when handling the battery to avoid short circuits.
6.Do not attempt to disassemble or modify the battery.
7.Regularly inspect the battery and charger for signs of wear or damage.
By following these guidelines, you can help ensure the safety and longevity of your e-bike battery.
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FAQ
- What is the warranty of your ebike battery packs?
- The warranty of our battery packs is one year. If you become our VIP, you can get extra 6 months.
- Can you offer chargers of ebike battery?
- We do not provide chargers. However, if you have a need for a charger you can contact our sales to assist in purchasing on your behalf.
- Can we make one custom battery pack?
- Common materials are available to support one custom battery pack.However, if special materials are required, you will need to contact us for specific MOQ.
- How to ship your custom ebike battery?
- The logistics companies we work with are strong. Currently, depending on your destination and order, we are able to provide options such as air freight, sea freight, express delivery, rail transport and trucking.
- What is your MOQ of ebike battery?
- If it is our existing standard product, there is no moq requirement.
If it is a custom product, there is a MOQ requirement. However, the MOQ varies from material to material and you can contact us for specific information.
- Which incoterms you usually take?
- Normally, train/sea will be DDP. And if you have your own shipping agent in China, EXW is supported (we can send your goods to your agent's warehouse).
- What is your terms of packing?
- Generally, we pack the goods in neutral brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes.
- How can we pay?
- You can pay via T/T, Paypal.
- What is the ebike battery storage temperature?
- The ideal storage temperature for an ebike battery varies depending on the specific battery technology, but generally it is recommended to store the battery at a moderate temperature between 20-25°C (68-77°F). Avoiding extreme temperatures, both high and low, is important to extend the battery's lifespan.
Lithium-ion batteries are more sensitive to temperature than other battery technologies and should be stored in a cool and dry place. Storing the battery at high temperatures can accelerate the aging process and reduce its lifespan, while storing it at low temperatures can reduce its capacity and affect its performance.
- How to revive ebike battery?
- Reviving an ebike battery can depend on the specific battery, but some common steps include:
1.Charge the battery: Ensure the battery is fully charged, this can be done by using a specialized ebike charger or a charger designed for the specific battery type.
2.Equalize the battery: An equalization process can help revive a battery by balancing the charge in each cell of the battery pack.
3.Store the battery: Store the battery at a moderate temperature and avoid extreme temperatures, as this can shorten its lifespan.
4.Maintain the battery: Regularly check and maintain the battery's electrolyte level, if necessary add distilled water to the battery.
Note: Not all batteries can be revived, and some batteries may need to be replaced.
- How long should an ebike battery last?
- The lifespan of an ebike battery depends on several factors, including the type of battery, usage, and maintenance. On average, a well-maintained lithium-ion ebike battery can last for 500 to 1,000 charging cycles or 2 to 5 years. However, this can vary greatly depending on the manufacturer, usage, and charging habits. Lead-acid batteries have a shorter lifespan, typically lasting around 300 to 500 cycles or 1 to 2 years. It's important to follow the manufacturer's guidelines for battery care and maintenance to extend the battery's lifespan and performance. Additionally, storing the battery in a cool, dry place and avoiding full discharging can also help prolong its lifespan.
- Is it OK to not fully charge a ebike battery?
- Yes, it is okay to not fully charge a ebike battery. In fact, partial charging and discharging is better for the overall lifespan of lithium-ion ebike batteries compared to full charging and discharging cycles. Overcharging can cause heat buildup, which can reduce the battery's overall lifespan, while undercharging can reduce the battery's ability to hold a charge. It's recommended to charge the battery to around 80% to 90% of its maximum capacity and to avoid full discharging if possible. However, it's still important to check the manufacturer's guidelines for specific battery care and maintenance.
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