Your Custom 3.7V 18650 Li-ion Battery Packs All One Shop Supplier

CMB provides 3.7V 18650 lithium battery packs for various industrial applications. Our 3.7V battery packs are made of high-quality grade brand cells. Each lithium-ion battery pack 3.7V does a series of battery tests to ensure the real capacity over the customer’s needs.
We support hundreds of our customers to fulfill their custom 18650 battery packs. Our engineering team is devoted to designing long-lasting 3.7V 18650 Li-ion battery packs with a dependable quality that our customers can trust.

Key Features and Benefits

Long-lasting power: Our batteries last longer thanks to high energy density.
Customized for you: We can customize batteries with different capacities, configurations, and packaging to meet your specific needs.
BMS design: Built-in overcharge protection, short circuit protection, thermal management, and other advanced safety features.
Quality guaranteed: 15 years of experience and ISO 9001 certification ensure every battery is made to last.
Certified safety: UL, KC, PSE, IEC, and other certifications for your peace of mind.

Custom 3.7V 18650 Li-ion Battery Pack Solutions

To learn more about our custom 3.7V battery solutions, click on the item titles below.

3.7V 1S LiPo Battery

High Capacity 21700 Battery Pack Design and Customization

Custom 18650 Battery Packs Tailored to Your Needs

Custom-designed LiPo Battery Packs for Various Devices

One-stop Solution Customized Lithium Iron Phosphate Battery Manufacturer

Medical Devices

How does CMB choose 18650 cells for custom battery pack solutions ?

We’ll determine the 18650 cell models according to your needs first. Then we’ll consider the cost to be compatible with the different 18650 cell brands.

Can you provide battery housing for the 3.7V 18650 battery pack?

Our primary of the 18650 battery pack is packed by wrap shrink but we also can develop battery housing for your batteries as your needs.

Can I customize the 18650 battery pack?

Of course, please contact us.

Does the 3.7V 18650 battery pack have the certifications I need?

CMB is focusing on custom batteries and we do not have the existing certificates for the 3.7V 18650 battery pack. Besides, the certificate rights belong to the customers.