What Are High Temperature Rechargeable Battery Pack?
In many industrial applications, extremely long cycle life or operation above 135°C isn’t always necessary — but stability, safety, and cost-effectiveness remain key factors. CMB’s high-temperature lithium-ion technology bridges this gap with proven, reliable performance.
After successfully delivering customized high temperature battery solutions for nearly 200 projects, CMB’s high-temperature rechargeable lithium-ion battery pack solutions have become a trusted industry authority for stable performance in temperatures ranging from -40°C to +85°C. We are also actively developing next-generation technologies to push the limits of even higher temperature capabilities.
The profile of our high-temperature battery cell is 18650 cylindrical, assembled into high-temperature 18650 battery pack that meet international standards such as CE, ROHS, REACH,and UL. They are designed to outperform and replace standard 18650 and 21700 battery packs.
Application of High Temp lithium Battery Pack
- E-call
- GPS
- IOT
- IIOT
- T-Box
- Sensor system
- Smart agriculture
- Infrastructure monitoring
Successful Cases Featuring CMB’s Best Battery for High Temperature Applications
3.6V 6000mAh High Temperature Battery Pack for Truck GPS
Cells: Made of 3pcs 3.6V 18650 2000mAh high-temperature cells.
Temperature Range: -40°C to 85°C.
Lifespan: 500 cycles remaining 80% capacity.
3.6V 2900mAh High Temperature Battery for Outdoor Device
Cells: Made of 1pcs 3.6V 18650 2900mAh high-temperature cells.
Advantages: Long-term stable operation in environments from -5°C to 50°C
Lifespan: 500 cycles remaining 80% capacity.
3.6V 5800mAh High Temperature Battery Pack for IOT Sensors
Cells: 1S2P 18650 3.6V 5800mAh high-temperature lithium cells.
Temperature Range: From -12°C~55°C.
Custom Shapes and Sizes: Tailored to fit any device.
3.6V 8700mAh High Temperature Battery Pack for IOT Components
Cells: Made of 3pcs 3.6V 18650 2900mAh high-temperature cells.
Temperature Range: -40°C to 85°C.
Lifespan: 300 cycles remaining 70% capacity.
7.2V 5800mAh High Temperature Battery Pack for Industrial IoT
Cells: Made with 2 high-performance 3.6V 18650 2900mAh lithium-ion cells.
Temperature Range: -40°C to 85°C.
Delivers higher discharge and charge currents.
3.6V 11600mAh High Temperature Battery for IOT Sensors
Cells: Made of 4pcs 3.6V 18650 2900mAh high-temperature cells.
Advantages: Operates seamlessly in environments up to 85°C.
Delivers higher discharge and charge currents.
7.2V 2900mAh High Temperature Battery Pack for Outdoor IOT Devices
Cells: 2S1P 18650 7.2V 2900mAh high-temperature lithium cells.
Temperature Range: From -40°C to 85°C.
Custom Shapes and Sizes: Tailored to fit any device.
CMB's Core Advantages As One High-Temperature Battery Pack Manufacturer
CMB has expertise in designing and manufacturing custom best battery for high temperature to meet specific requirements. Our high temperature battery technology ensures optimal performance in extreme environments, making us a trusted partner among high temperature battery manufacturers globally.
Excellent Engineering Team
Our professional engineering team has designed hundreds of high temperature lithium ion battery solutions for harsh outdoor environments.
Innovative Technologies
CMB is committed to advancing battery pack technology. Our heat-resistant battery maintains a 1C discharge rate even at temperatures of 85°C, thanks to innovative design and high-temperature electrolytes.
Advanced Manufacturing Process
We adhere to ISO9001:2015 standards to ensure extremely high reliability and safety. Additionally, CMB conducts rigorous testing, including temperature, humidity, impact, and vibration tests, to guarantee product quality, safety, and performance.
The High Temp 18650 Battery Climbing Performance Test
Evaluation of Test Results
Repeat steps 1~4 for a total of 10 times
Charging & Stabilization
Charge to 4.1V at 23±2℃ with 0.5C, cut-off at 0.02C, then rest for 10 minutes
High Temp Exposure
Put the sample into an experimental box with a temperature of 85°C for 6 hours
Extreme Cold Exposure
Set chamber to -40℃±2℃ for 6 hours; convert temperature within 30 minutes
Return to High Temp
Raise the box temperature to 85°C, with conversion time under 30 minutes
Repeat the Test Process
Repeat steps 1~4 for a total of 10 times
Technical Articles Related To High Temperature Batteries
High Temperature Rechargeable Lithium Battery Pack FAQ
What size are your high temperature batteries?
We have the capability to design custom high temperature batteries in a range of shapes, sizes, and capacities to suit the specific needs of you and your equipment.
What if my operating temperature is higher than 85°C?
If your operating temperature is higher than 85°C, our Chief Technology Officer will evaluate your specific needs and design a custom battery pack to meet your equipment’s operating requirements.
Are your high temperature batteries rechargeable?
Yes, our high temperature batteries are all rechargeable.
How long is your production/delivery lead time for your high temperature battery packs?
For battery samples, if we have the desired battery or a compatible battery in stock, the delivery time is generally 4-7 days. If we don’t have the desired battery in stock, we require 2-3 weeks for production. Mass production generally takes 30 days (without stock). If there are enough batteries in stock, it will take about 1-2 weeks to fulfill an order.
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.
