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-40℃ Low Temperature Battery Cell and Pack

LFP/NCM | 18650 / 21700 / 14500 / 32140
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UltraXel Low-Temperature Cylindrical Cells

High-performance cylindrical cells (18650/21700/14500/32140) deliver stable power at -40 °C without preheating. Ideal for cold chain, automotive electronics, cold chain, IoT devices, trackers, solar powered devices, lights and luminare, medical devices， camera and monitoring, etc..
HL18650V Low Temperature 18650 Battery

HL18650V – Cold-Weather 18650 Battery Cell

• Operating Temp.: -40℃~+85℃
• Key Feature: Low-temperature performance
• Typical Capacity(0.2C): 2900mAh
• Max charge/discharge: 1.4A / 10A
Long-Life Wide-Temperature 14500 LiFePO4 Battery

HL14500S – Wide Temperature Long-Life 14500 LiFePO4 Cell

• Operating Temp.: -40℃~+85℃
• Key Feature: Compact long-life LFP platform
• Typical Capacity(0.2C): 500mAh
• Max charge/discharge: 0.48A/2.40A
Automotive-Grade Wide-Temperature 14500 Li-ion battery

HL14500R – Wide Temperature Automotive Electronics Backup Cell

• Operating Temp.: -40℃~+85℃
• Key Feature: Compact high-capacity design
• Typical Capacity(0.2C): 750mAh
• Max charge/discharge: 0.7A / 3.5A
HL18650T High Temperature Lithium Ion Battery

HL18650T – High-Temperature 18650 Battery

• Operating Temp.: -40℃~+85℃
• Key Feature: High-temperature standby reliability
• Typical Capacity(0.2C): 2000mAh
• Max charge/discharge: 1.95A / 10A
18650G Long Cycle Life 18650 LiFePO4 Battery

HL18650G –Wide Temperature Long-Life 18650 LiFePO4 Cell

• Operating Temp.: -40℃~+85℃
• Key Feature: 1500+ cycle life / safer LFP chemistry
• Typical Capacity(0.2C): 1600mAh
• Max charge/discharge: 1.6A / 7.5A
HL18650Y Wide-Temperature High-Capacity Battery

HL18650Y – Wide Temperature High-Capacity 18650 NCM Cell

• Operating Temp.: -40℃~+85℃
• Key Feature: Long runtime / high capacity
• Typical Capacity(0.2C): 3200mAh
• Max charge/discharge: 3.2A / 10A

Applications of Low Temperature Lithium ion Battery

UltraXel low temperature lithium ion battery delivers full capacity at -40 °C without preheating, providing reliable power for automotive electronics, cold chain, IoT devices, trackers, solar powered devices, lights and luminare, medical devices, monitoring and camera applications, etc..
Low-Temperature Solar Lighting Battery

Solar Lighting

Street and garden lights stay bright below 0 °C, avoiding dimming or failure

Remote IoT Sensors Battery

Remote IoT Sensors

Sensors in mountains, tundra, or polar regions run reliably, cutting costly maintenance.

Solar Trackers Battery

Solar Trackers

Single- and dual-axis trackers operate at -30 °C, preventing freezing or lockups.

Aviation & Navigation Lights Battery

Aviation & Navigation Lights

Turbine towers and maritime lights remain illuminated in polar conditions.

Remote Security Monitoring Battery

Remote Security Monitoring

Off-grid cameras and sensors stay connected, eliminating safety blind spots.

Grid Monitoring & Smart Meters Battery

Grid Monitoring & Smart Meters

High-voltage fault detection units and smart meters function at -40 °C.

Emergency Lighting Battery

Emergency Lighting

Emergency and safety lights activate instantly in cold environments.

Scientific Instruments Battery

Scientific Instruments

Field spectrometers and portable labs maintain stable voltage at -40 °C.

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Advantages of UltraXel Low Temp Battery Cell

温度icon

80% capacity at -40°C

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Safe charging at -20°C

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Stable up to +80°C

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Tier 1 validated

Custom Low-Temperature Battery Packs

Tailored lithium-ion packs with adjustable capacity, cell count, and BMS ensure reliable power in extreme cold for IoT, solar trackers, emergency lighting, and oil & gas applications.
Custom Low-Temperature Battery Packs

Successful Cases of UltraXel’s Low-Temperature Batteries

T-box Battery

• Discharge at:
-40°C~85°C
• Configuration:
Made by 1pc 3.6V 2000mAh 18650T high temperature cell
• Application:
T-box

Dash Camera Battery

• Discharge at:
-40°C~85°C
• Configuration:
Made by 251P 3.6V 2900mAh 18650V low temperature cell
• Application:
Dash Camera

Electronic Access Control Battery

• Discharge at:
-40°C~85°C
• Configuration:
Made by 1pc 3.6V 750mAh 14500R extreme cold battery
• Application:
Electronic Access Control

IoT Device Battery

• Discharge at:
-40°C~85°C
• Configuration:
Made by 1S2P 3.6V 2000mAh 18650T wide temp battery
• Application:
IoT Device

Why Choose UltraXel Low-Temperature Lithium Batteries?

UltraXel low-temperature lithium batteries deliver extreme-cold performance, durability, and customization, making them the ideal choice for industrial, outdoor, and military applications, etc..
18650F Low Temperature Resilience

High Capacity at –40 °C

Operates reliably in extreme cold without heaters or preheating delays, ensuring continuous power in harsh environments.

Long Cycle Life

Long Cycle Life & Float Charging

Optimized for repeated charge/discharge in low temperatures, maintaining stable performance over time.

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Custom Battery Packs

Supports HL14500 / HL18650 / HL21700 cells, with capacity, form factor, and BMS tailored to your application.

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Proven Industrial, Outdoor & Auto-grade Reliability

ISO13485 and IATF16949 certified, tested under extreme conditions, and deployed in IoT, cold chain, solar trackers, remote monitoring, and harsh-field environments.

What is a Low-Temperature Battery?

A low-temperature lithium battery is designed to operate reliably in extreme cold where standard lithium-ion batteries fail. Unlike regular batteries that lose capacity and struggle to charge below 0 °C, these batteries maintain high performance using advanced, patented electrolytes and materials.
UltraXel Battery
Low Temp. Discharge
Up to 80% capacity remains at -40°C
Low Temp. Charge
More than 200 cycles without Li-plating at -20°C cycles
Survive in Climate Change
Up to 72% capacity remains at -40°C even after 80°C long term storage
Quick adaptability
Verified by Tier1 international brands
Safety performance
Still safe and reliable under low-temperature chargingconditions
Easy to go
Simple components and instant usage
Conventional Battery
Low Temp. Discharge
0 capacity at -40°C
Low Temp. Charge
 Li-plating at -20°C charge
Survive in Climate Change
 Decays dramatically after several times usage
Quick adaptability
Lack of test data
Safety performance
Low-temperature charging cannot ensure safety
Easy to go
Needs extra heating pads
What Is A High Temperature Battery

UltraXel -40℃ Low Temperature Battery Solutions for Extreme Cold Weather

Need reliable power in sub-zero conditions? UltraXel’s -40℃ Low Temperature Battery series delivers consistent performance, safety, and durability even in the harshest cold environments. As a trusted lithium battery cell manufacturer, we offer fast supply, competitive pricing, and expert technical support. Whether you need samples for evaluation or bulk procurement, our team will help you find the perfect cold-weather battery solution—submit your requirements today!
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Low Temperature Battery FAQ

A low temperature battery is designed to operate reliably in subzero conditions. UltraXel lithium-ion batteries deliver high capacity down to -40 °C.
UltraXel batteries maintain stable performance at -40 °C, making them ideal for extreme cold environments.
Yes. Special low-temperature chemistry and optimized BMS allow safe charging in -20°C without preheating.
Yes. They operate safely and reliably up to +85 °C, ensuring wide temperature stability.
Cold may reduce the battery life more or less, depends on the actual usage cases and conditions, but UltraXel batteries are engineered to maintain long cycle life even at -40 °C.
Yes. Batteries can be stored at -40 °C to +105 °C while retaining competetive capacity and long-term performance.
Yes. Batteries are tested for industrial and outdoor applications and accompany with overcharge, over-discharge, and short-circuit protection, etc..
Ideal for cold chain, automotive electronics, cold chain, IoT devices, trackers, solar powered devices, lights and luminare, medical devices, polar research, outdoor energy, and camera andindustrial monitoring, etc. in extreme climates.
They retain high capacity, stable performance, and reliable output over years of operation under -40 °C to +85 °C conditions.
Select battery model fits your requested size, capacity and current. And tested with your specific requirement to qualify UltraXel’s product. UltraXel provides both standard cells (18650/21700/14500/32140) and custom battery packs to match power and form factor needs.

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+86 18122950916