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One Stop China Wholesale 18650 Battery Factory

KET is a professional 18650 battery supplier in China. Since its establishment in 2010, KET has been providing battery solutions to fulfill the distinct requirements of its customers.

Currently, KET's battery products are extensively utilized in various fields, including residential and commercial energy storage systems, go kart, golf cart, e-bikes, golf carts, forklifts, electric boats, and more.

With a team of 20 battery experts, comprising electronic engineers, structural engineers, ID designers and more, KET possesses the necessary research and development capabilities to deliver a comprehensive one-stop service for 18650 battery customization.

KET has received several certifications, including CE, FCC, RoHS, UN38.3, MSDS, and others, for the majority of its standard products. Our products can meet most of our customers' certification requirements.
One Stop China Wholesale 18650 Battery Factory
Strict Quality Control Of Your Bulk 18650 Batteries

Strict Quality Control Of Your Bulk 18650 Batteries

KET has implemented stringent guidelines for the transportation and storage of our batteries to ensure the safety of your 18650 battery throughout its entire lifecycle.

Our equipment includes a protection board tester, a comprehensive tester, a high and low-temperature test box, a charge and discharge aging instrument, and an automatic electric battery cell sorting machine, enabling us to conduct meticulous testing and verification of the performance of all our products, including your custom 18650 battery.

Before shipment, we implement a strict testing process, including core capacity division, charge/discharge testing, aging testing, incoming inspection, high and low-temperature testing, vibration testing, and protection board testing.c
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Your Best Wholesale 18650 Battery OEM

KET is a reliable wholesale supplier of customized 18650 battery cells and a manufacturer of customized 18650 battery packs. With extensive experience and expertise in the industry, we are committed to delivering high-quality products tailored to meet the unique needs of our clients. Our advantage lies in our ability to provide one-stop customized solutions, from design and development to production and testing, ensuring our battery products' superior performance, reliability, and safety.

How To Custom Your 18650 Battery?

Custom 18650 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 latest18650 battery quotes.

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What Is 18650 Battery?

An 18650 battery is a type of lithium-ion rechargeable battery. The 18650 designation refers to the battery's dimensions, which are 18 millimeters in diameter and 65 millimeters in length. Due to their high energy density, reliability, and durability, 18650 batteries have become a popular choice in the battery industry.

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The Rise of 18650 Batteries: Advantages And Applications

18650 batteries have gained immense popularity over the past few years. They are rechargeable lithium-ion batteries that measure 18mm by 65mm, hence the name 18650. They offer many advantages over traditional batteries and are used in a wide range of applications. Here are some of the advantages and applications of 18650 batteries:

Advantages:

1. High Energy Density: 18650 batteries have a high energy density, which means they can store a lot of energy in a small space. This makes them ideal for use in portable devices such as laptops, cameras, and flashlights.

2. Long Cycle Life: 18650 batteries have a long cycle life, which means they can be recharged and discharged many times before they need to be replaced. This makes them a cost-effective solution in the long run.

3. High Discharge Rate: 18650 batteries have a high discharge rate, which means they can deliver a lot of power quickly. This makes them ideal for use in high-performance devices such as power tools and electric vehicles.

4. Wide Operating Temperature Range: 18650 batteries can operate in a wide range of temperatures, from -20°C to 60°C. This makes them suitable for use in extreme environments.

Applications:

1. Consumer Electronics: 18650 batteries are widely used in consumer electronics such as laptops, cameras, and flashlights. They offer a high energy density and long cycle life, making them an ideal choice for portable devices.

2. Power Tools: 18650 batteries are used in power tools such as drills, saws, and sanders. They offer a high discharge rate, which allows them to deliver a lot of power quickly.

3. Electric Vehicles: 18650 batteries are used in electric vehicles such as electric cars and electric bikes. They offer a high energy density and can deliver a lot of power quickly, making them ideal for use in electric vehicles.

4. Solar Energy Storage: 18650 batteries are used in solar energy storage systems. They can store excess energy generated by solar panels during the day and release it at night when the sun is not shining.

5. Aerospace: 18650 batteries are used in aerospace applications such as satellites and space probes. They offer a high energy density and can operate in extreme temperatures, making them ideal for use in space.

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FAQ

Can you offer the certifications for our 18650 battery?
We make some regular battery packs certificates every year. But most of our battery packs are customized for you. And we can help you to get the certification for your customized battery packs.
What is the warranty of your custom 18650 battery?
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 18650 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 18650 battery?
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 my custom 18650 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 18650 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.