High Temperature Lithium ion Battery Manufacturer | UltraXel
High temp batteries banner--PC
high temp battery mobile banner

High Temperature Battery Cell and Pack

Industrial Batteries – stable up to 85°C
Cells: 18650, 21700, 14500 & 32140

UltraXel High Temperature Battery Products

Our 18650, 14500, 21700, and 32140 high-temperature cells are engineered for extreme conditions, rigorously tested to ensure long life, stable capacity, and superior safety and thermal stability.

Key Advantages of UltraXel High Temp Battery

18650F Extreme Temperature Range

High Temp. Storage

Up to 105°C storage for a long period

Long Cycle Life

Long Cycle Life

Over 500 cycles at 60℃ with 80% capacity left

02 产品中心2 10

Excellent Safety

Reliable and safe performance even beyond safety certificates

18650F Optimized for High Current Loads

Ultra-High C-rate

Up to 10C discharging current for single cell

02 产品中心2 21

Quick adaptability

Verified by Tier1 international brands

户外仪器 普通电池无智能管理,一旦掉电,测绘记录可能无法恢复 1

Custom Battery Pack

Various experience with multiple applications

Applications of High Temperature Batteries

  • Automotive Electronics
    T-Box modules, smart cockpit systems, dash cams
  • Security & Surveillance
    Outdoor cameras, video doorbells, body-worn cameras
  • Industrial & IoT
    Sensors, IoT devices, infrastructure monitoring, remote terminals
  • Outdoor & Smart Agriculture
    Solar streetlights, GPS trackers, automation equipment
  • Military & Special Applications
    Aerospace, geophysical & mineral exploration, off-grid systems
  • Consumer & Portable Devices
    Medical devices, drones, e-bikes, power tools
  • Data Centers & Backup Power
    UPS systems, BBU units
Applications Of UltraXel Li Ion Cells

Wide-Temperature Li-ion Battery Applications

UltraXel offers wide-temperature lithium-ion battery solutions engineered for automotive electronics, industrial handheld devices, medical equipment, smart logistics, defense systems, and outdoor instrumentation. Our batteries deliver stable power from -40°C to +85°C, ensuring reliability and safety in even the most demanding environments.

Custom High-Temperature Battery Packs

UltraXel offers fully customizable high-temperature battery packs designed for extreme conditions. Tailor voltage, current, capacity, and size to your needs, with integrated BMS for safety and reliability. Ideal for Automotive Electronics, Security & Surveillance, Outdoor Equipment, Military, and IoT/Industrial IoT applications, etc..
Low Cost Solution Battery Pack

Low-Cost Solution


• Assembly:
Cell + PCM + Harness + Connector
• Connection:
1S1P, 2S1P, 1S2P, etc.
• Operating Temperature:
-40°C ~ +85°C
• Applications:
eCall, T-box, IoT Device, Asset Tracker, Defense Devices, etc.

High‑End Solution With Shell Protection Battery Pack

High‑End Solution with Shell Protection

• Assembly:
Cell + PCM + Shell + Swappable Golden Finger
• Connection:
1S1P, 2S1P, 1S2P, etc.
• Operating Temperature:
-40°C ~ +85°C
• Applications:
T-box, Outdoor Camera, GPS Tracker, Handheld Scanner, Dash Cam, etc.

Multiple Series And Parallel Connection With Excellent Consistency Battery Pack

Multi-Series & Parallel Battery Pack

• Assembly:
Cell+PCM+Harness+Connector
• Connection:
4S1P,1S4P...
• Operating Temperature:
-40°C ~ +85°C
• Applications:
Portable Medical Devices, Cold Chain Devices, Power Tool, BBU, etc.

Big Battery Pack With High Power Battery Pack

Big battery pack with high power

• Assembly:
Cell+Laser welding+BMS, Optional with Shell, Software, Connecters, etc.
• Power:
24V, 25.6V, 48V, 96V, etc.
• Operating Temperature:
-40°C ~ +85°C
• Applications:
Street Light, Robot, AGV, AMR, E-bike, Golf Cart, etc.

Reliable High-Temperature Battery (-40°C to 85°C)

High-temperature lithium batteries are engineered to deliver stable performance in extreme conditions where standard batteries fail. UltraXel batteries—available in 18650, 14500, 21700, and 32140 cells—operate reliably from -40°C to +85°C for industrial, automotive, IoT, and sensor applications.

With advanced cell technology and customizable battery packs, UltraXel ensures safe, efficient, and consistent performance in harsh environments.

UltraXel Battery
High Temp Performance
Stable discharge performance up to 85°C
High Temp Storage
Up to 92% capacity retention after 30 days at 80°C
High Temp Cycle Life
Nearly 450 cycles at 60°C
Safety
Still safe at high-temp charging
System Requirement
No reliance on thermal management
Application Readiness
Validated in Tier 1 applications
Conventional Battery
High Temp Performance
Capacity fades rapidly above 60°C
High Temp Storage
Severe capacity degradation during high-temp storagee
High Temp Cycle Life
<200 cycles at 60°Ce
Safety
Safety cannot be guaranteed
System Requirement
Must have cooling system to avoid thermal run away
Application Readiness
Limited validation in extreme environments
What Is A Low Temperature Battery

High-Temperature Battery Types & Comparison

High-temperature batteries come in several types, each designed for reliable operation in extreme environments. Common high-temperature battery types include:
Battery TypeKey FeaturesTypical ApplicationsTemperature Range
High-Temperature Li-ion Battery(UltraXel Fouses)High energy density, long cycle life, integrated BMS options, lightweightAutomotive electronics, IoT devices, industrial sensors, medical equipment, etc.-40°C to 85°C
High-Temperature NiMH BatterySafe chemistry, moderate energy density, robust under heatIndustrial tools, outdoor equipment, sensors-20°C to 70°C
High-Temperature NiCd BatteryVery robust, tolerant of harsh conditions, high discharge rateMilitary, aerospace, backup power systems-20°C to 70°C
High-Temperature Coin Cell BatterySmall form factor, stable output under heat, low self-dischargeMedical devices, small IoT sensors, electronics-40°C to 85°C

Why Choose UltraXel High-Temperature Lithium-ion Batteries?

UltraXel High-Temperature Li-ion Batteries combine energy density, durability, and adaptability, making them ideal for industrial, automotive, and outdoor use.
02 产品中心2 10

High Energy & Compact

More power in smaller size than NiMH or lead-acid.

Long Cycle Life

Wide-Temperature & Long Life

Reliable from -40 °C to +85 °C, optimized for repeated cycles and long-term standby.

户外仪器 普通电池无智能管理,一旦掉电,测绘记录可能无法恢复 1

Customizable Packs

14500 / 18650 / 21700 / 32140 cells, LFP & NCM, tailored voltage, capacity, BMS, and form factor.

02 产品中心2 21

Proven Reliability

ISO & IATF16949 certified, validated under extreme conditions, zero safety incidents.

02 产品中心2 26

28+ Years of Technology

Advanced materials and production for extreme conditions.

Industrial-Grade Quality

Manufactured to ISO and IATF16949 standards forconsistent safety, reliability, and performance.

High-Temperature Battery FAQ

A high-temperature battery is specifically designed to operate safely and reliably in extreme heat. It features enhanced thermal stability, specialized electrolytes, and efficient heat dissipation to maintain performance and longevity even under harsh conditions.
High-temperature batteries include UltraXel high-temperature Li-ion cells, LiFePO4 high-temperature variants, and specially engineered battery packs with integrated BMS. They can reliably operate at 85°C and above.
Yes. Excessive heat accelerates battery aging, reduces capacity, and may affect vehicle startup and electronic systems. High-temperature-rated batteries or proper thermal management help maintain performance and reliability.
Conventional batteries degrade faster and may pose safety risks in high-heat environments. High-temperature batteries provide reliable operation, longer lifespan, and enhanced safety through thermal stability and optimized design.
High-temperature batteries are critical for:
  • Oil drilling and monitoring equipment
  • Industrial process sensors and firefighting tools
  • Automotive electronics and engine monitoring
  • Medical devices requiring sterilization
  • Outdoor equipment and IoT devices operating in extreme conditions
  • Cell: The core energy storage unit.
  • Battery Pack: Multiple cells integrated with a Battery Management System (BMS), protective casing, and design tailored for end-use applications.
  • Standard Li-ion batteries typically operate safely up to 60°C.
  • LiFePO4 can tolerate slightly higher temperatures but may degrade above 70–80°C.
  • High-temperature batteries are designed for -40°C to 85°C or higher.
Yes. UltraXel designs and manufactures customized high-temperature cells and packs to meet your voltage, current, capacity, and size requirements.
Excessive heat reduces battery lifespan, lowers efficiency, and increases safety risks. High-temperature-rated batteries ensure safe and stable performance under extreme conditions.
Cooling time depends on battery type, size, and ambient conditions. High-temperature batteries with proper thermal management cool faster and maintain safety even under extreme operation.
  • Standard batteries: Limited operating range (0–40/60°C), faster degradation under heat.
  • High-temperature batteries: Wide operating range (-40°C to 85°C+), superior thermal stability, integrated protection, and longer lifespan in extreme environments.
To maximize lifespan:
  • Avoid continuous exposure to temperatures above the battery’s rated limit.
  • Use devices with integrated thermal management or external cooling if possible.
  • Monitor battery performance via BMS alerts.
  • Follow manufacturer guidelines for charging, storage, and usage cycles. Proper maintenance ensures reliability and long-term performance.

Need a reliable power solution for your business?

Fill out the form for our tailored recommendations, and we’ll get in touch with you shortly.