High Temperature Battery Cell and Pack
UltraXel High Temperature Battery Products
Key Advantages of UltraXel High Temp Battery

High Temp. Storage
Up to 105°C storage for a long period

Long Cycle Life
Over 500 cycles at 60℃ with 80% capacity left

Excellent Safety
Reliable and safe performance even beyond safety certificates

Ultra-High C-rate
Up to 10C discharging current for single cell

Quick adaptability
Verified by Tier1 international brands

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
Wide-Temperature Li-ion Battery Applications
Custom High-Temperature Battery Packs

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
• 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.

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
• 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.
High-Temperature Battery Types & Comparison
| Battery Type | Key Features | Typical Applications | Temperature Range |
| High-Temperature Li-ion Battery(UltraXel Fouses) | High energy density, long cycle life, integrated BMS options, lightweight | Automotive electronics, IoT devices, industrial sensors, medical equipment, etc. | -40°C to 85°C |
| High-Temperature NiMH Battery | Safe chemistry, moderate energy density, robust under heat | Industrial tools, outdoor equipment, sensors | -20°C to 70°C |
| High-Temperature NiCd Battery | Very robust, tolerant of harsh conditions, high discharge rate | Military, aerospace, backup power systems | -20°C to 70°C |
| High-Temperature Coin Cell Battery | Small form factor, stable output under heat, low self-discharge | Medical devices, small IoT sensors, electronics | -40°C to 85°C |
Why Choose UltraXel High-Temperature Lithium-ion Batteries?

High Energy & Compact
More power in smaller size than NiMH or lead-acid.

Wide-Temperature & Long Life
Reliable from -40 °C to +85 °C, optimized for repeated cycles and long-term standby.

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

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

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
What is a high-temperature battery?
What batteries can withstand high temperatures?
Can high temperatures affect a car battery?
Why is it essential to use specialized batteries for high-temperature applications?
What types of applications benefit from high-temperature batteries?
- 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
What is the maximum operating temperature for LiFePO4 or Li-ion batteries?
- 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.
What is the difference between a battery cell and a battery pack?
- 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.
Can UltraXel provide custom high-temperature battery solutions?
Is high temperature bad for batteries?
How long does it take for an overheated battery to cool down?
High-temperature battery vs. standard battery – what’s the difference?
- 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.
How can I maintain and prolong the life of a high-temperature battery?
- 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.