High Temperature Battery

What Is a High-Temperature Battery?

A high-temperature battery is a lithium-ion battery built to operate under elevated ambient temperatures. Specifically, such batteries can charge at or above 45 °C and discharge at 60 °C or higher while retaining excellent performance. KRL Power’s high-temp batteries incorporate special formulations to achieve this. Key features include:

Wide Operating Range

These batteries operate reliably across a broad temperature spectrum. They support stable charge and discharge from deep cold up to extreme heat, ensuring consistent performance in harsh environments.

High-Heat Stability

KRL Power cells incorporate roasted metal additives in the LiCoO₂ anode and high-boiling-point electrolytes. This enhances thermal stability, minimizing swelling and capacity loss even beyond 60 °C.

Long Cycle Life

Designed for durability in extreme heat, these batteries retain over 90% capacity after hundreds of cycles. KRL Power targets ≥400 cycles with ≥80% retention under sustained high-temperature usage.

By using these technologies, KRL Power’s high-temperature battery packs ensure equipment stays powered in desert heat, inside hot vehicles, or during long-duration missions.

Product Categories

Standard Products:Off-the-shelf high-temperature battery packs and cells designed for general use. These ready-made units offer proven high-temperature performance and are available immediately.
Custom Battery Solutions:Tailored designs for unique needs. Our engineering team can create custom high-temperature battery packs for any device or machine. Simply provide your specifications (voltage, size, connector, etc.), and we will design a pack that performs reliably across your required temperature range. Just contact us for a custom battery solution.

KRL Power – Explosion-Proof Lithium Battery Supplier for Extreme Environments

KRL Power’s high-temperature lithium-ion batteries are engineered to deliver reliable power where ordinary batteries fail. Traditional Li-ion cells work best around 15–35 °C, but KRL Power’s designs extend this range dramatically. Our batteries operate safely from –50 °C up to +70 °C, making them ideal for extreme environments.

These high-temperature batteries use advanced anode materials and heat-resistant electrolytes to maintain capacity and stability under stress. By comparison, state-of-the-art solutions in the industry run from –40 °C to +70 °C, and ours match or exceed these benchmarks. In short, KRL Power provides the rugged, wide-temperature-range battery technology needed for the most demanding applications.

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Why Choose High Temperature Batteries for Your Business?

Reliable Power Solutions for Extreme Heat and Harsh Industrial Environments

High temperature batteries are engineered to maintain stable performance in environments where conventional lithium batteries would fail. With advanced materials, thermal-resistant construction, and industrial-grade protection circuits, these batteries deliver consistent power in conditions exceeding 80°C—and up to 125°C or more. Ideal for oilfield tools, aerospace electronics, tunnel sensors, military platforms, and other heat-intensive systems.

Wide Operating Temperature Range up to 125°C

Our high temperature lithium batteries operate reliably in continuous environments from –40°C to +125°C. Built with enhanced electrolytes, heat-resistant separators, and thermally optimized packaging, they are ideal for drilling tools, engine compartments, and desert-deployed systems.

Stable Electrochemical Performance in Harsh Conditions

Even under extreme temperatures, these batteries provide steady voltage output, low internal resistance, and high cycle stability. This ensures uninterrupted operation for mission-critical devices in oil & gas, aerospace, industrial control, and fire safety systems.

Multi-Layer Thermal and Electrical Protection

Each battery integrates PCM or smart BMS with protections for over-temperature, over-voltage, short-circuit, and current surge. Combined with sealed, fire-resistant enclosures, this structure prevents thermal runaway or system failure in high-heat working conditions.

OEM/ODM Support for Custom High-Temperature Applications

We offer tailored battery packs in cylindrical, prismatic, or pouch formats, with voltage/capacity tuning, terminal customization, thermal insulation options, and protocol integration (CAN, SMBus, RS485). All products meet international standards including UN38.3, IEC62133, CE, RoHS, MSDS.

High Temperature Battery Applications

Our High Temperature Battery solutions are engineered to operate reliably in extreme thermal environments where conventional batteries fail. Designed with specialized electrolytes, separators, and thermal-resistant materials, these batteries maintain performance and safety at operating temperatures up to +150°C or higher. They are widely used in sectors such as oil & gas, aerospace, automotive, and industrial control systems—where thermal resilience, long cycle life, and certification compliance are critical.

E-bikes & Scooters:

High-energy cylindrical packs (e.g. 36–52V battery modules) drive electric bicycles and scooters, offering eco-friendly urban mobility.

Renewable Energy Storage:

Off-the-shelf Li-ion modules store solar or wind energy in home and commercial systems. “Lithium batteries… provide an efficient way to store excess energy generated… when needed”(e.g. solar backup batteries).

Oilfield & Remote Equipment:

Rugged Li-ion packs power drilling sensors, communication units and other equipment in harsh oil/gas settings. Lithium batteries’ high energy density and lightweightdesign make them practical for portable oilfield tools and monitors.

Portable Electronics:

High-energy cylindrical packs (e.g. 36–52V battery modules) drive electric bicycles and scooters, offering eco-friendly urban mobility. “Smaller lithium battery packs power electric bicycles and scooters, providing an eco-friendly transportation solution”.

Hazardous Location Monitoring

Industrial monitoring equipment deployed in explosive environments requires stable and certified power sources.

High Temperature Battery Solutions for Extreme Heat Environments

Looking for efficient power solutions without long lead times? Our High Temperature Battery series is designed for businesses requiring stable performance and long cycle life under high-temperature conditions.

As a professional battery manufacturer, we ensure reliable supply, competitive pricing, and expert technical support. Whether you need samples for evaluation or bulk procurement for mass production, we are ready to support your business.

Submit your application requirements now, and our team will match you with the right battery solution efficiently.

High Temperature Lithium Battery – Frequently Asked Questions

What is the maximum temperature your high temperature lithium battery can withstand?

Our standard model supports continuous operation at 90°C. Some test models can operate briefly at 125°C while maintaining a discharge efficiency of over 90%.

Will the battery swell or explode under high temperatures?

No. Our battery cells are designed with anti-expansion technology, with an expansion rate of less than 3% at 125°C, and they comply with UL1642 and GB31241 safety standards.

Can the battery be customized in size, voltage, or casing for my device?

Yes. We offer comprehensive customization of battery size, voltage platform, connectors and module structure to meet your specific requirements in terms of space, interfaces and certification.

What certifications do your high temperature batteries have?

Our batteries have passed UL1642, IEC62133, GB31241, RoHS and REACH certifications, and meet the standards for industrial, medical, power system and defense applications.