Li-ion 21700 Battery Pack
CMB designs and manufactures long-lasting and reliable 21700 lithium-ion (Li-ion) battery packs for various industrial applications. To ensure the best possible performance of our battery packs, CMB’s engineering team has tested a range of 21700 Li-ion battery cell models via high discharge rate and wide temperature operation. When it comes to applications, our focused areas of expertise include 21700 battery pack design for:
CMB’s 21700 Lithium-ion Battery Pack Features
- High-density and compact size
- Wide temperature range of -40°C to 60°C
- Essential battery protection with hardware battery management systems (BMS) or more advanced protection with Smart BMS equipped with CANBUS, RS485, and UART
- Custom nickel sheets for securing battery cells
- Shrink wrap battery casing or custom battery housing options
Request Customization
CMB’s Custom 21700 Lithium Ion Battery Packs
Specifications:
- Made with Samsung INR21700-40T cells
- Heat radiation and IP68 waterproof rating
- Special BMS design with a pre-discharge function
- Customized waterproof housing and connector
- 70A continuous discharge current and 170A peak current
Specifications:
- Made with Samsung INR 21700-40T cells
- Waterproof function
- Customized 30A continuous BMS
- Wrap shrink or housing options
- 24-month warranty
Specifications:
- Made with Molicell INR21700-P42A cells
- BMS specially designed by CMB for this specific application
- Connection by series and parallels
- Dedicated charger for charging 6pcs batteries in parallels
- XT90 connector for discharge and XT60 connector for charge
Specifications:
- Made with Samsung INR 21700-40T cells
- Waterproof function
- Wrap shrink or housing options
- 24-month warranty
- 43.2V 40Ah 21700 Battery
-
Specifications:
- Made with Samsung INR21700-40T cells
- Heat radiation and IP68 waterproof rating
- Special BMS design with a pre-discharge function
- Customized waterproof housing and connector
- 70A continuous discharge current and 170A peak current
- 18V 8Ah 21700 Battery
-
Specifications:
- Made with Samsung INR 21700-40T cells
- Waterproof function
- Customized 30A continuous BMS
- Wrap shrink or housing options
- 24-month warranty
- 43.2V 12Ah 21700 Battery
-
Specifications:
- Made with Molicell INR21700-P42A cells
- BMS specially designed by CMB for this specific application
- Connection by series and parallels
- Dedicated charger for charging 6pcs batteries in parallels
- XT90 connector for discharge and XT60 connector for charge
- 48V 20Ah 21700 Battery
-
Specifications:
- Made with Samsung INR 21700-40T cells
- Waterproof function
- Wrap shrink or housing options
- 24-month warranty
21700 Battery Pack Application
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Why should I choose CMB as my 21700 battery pack manufacturer?
At CMB, we provide advanced customization services and prioritize product quality above all else. That attention to quality not only applies to the way we design and manufacture our 21700 lithium-ion battery packs, it also applies to the materials we source, like our high-quality 21700 battery cells.
What is the difference between 21700 battery packs and 18650 battery packs?
21700 lithium-ion batteries have a longer life cycle, higher density, higher discharge rate, and more power than 18650 batteries.
What 21700 cell brands do you recommend?
For battery packs that require operation at low temperatures, we recommend Moli 21700 cells. For a more cost effective approach, you can opt for Samsung 21700 cells. To ensure your battery pack’s safety, efficiency, and longevity, we always recommend using cells from reputable and trusted brands.
Are 21700 battery packs safe to use?
When used and maintained properly, 21700 battery packs are generally safe to use. However, it’s crucial to follow safety guidelines, avoid mishandling or misuse, and use reputable and quality-tested battery packs to minimize the risk of accidents or failures.
Tailored Customization
Our design team can create custom battery designs for just about any device or machine.
Timely Delivery
Our efficient production and distribution process gets your product delivered in a timely manner.
Quality Guarantee
We stand by our products and guarantee you’ll be happy with your purchase.