HL14500R – Wide Temperature Automotive Electronics Backup Cell

Automotive-Grade Wide-Temperature 14500 Li-ion battery

Reliable backup power for T-Box, eCall, and telematics systems.

Why Automotive Electronics Require Upgraded 14500 Batteries

Automotive electronics face extreme temperature swings, sharp power peaks and long-lifespan requirements, which ordinary standard 14500 batteries can hardly satisfy. The UltraXel 3.6V 14500 lithium battery, with automotive-grade wide-temperature adaptability, stable aging resistance and high-rate discharge capability, becomes the ideal choice for automotive 14500 battery applications.

Feature

UltraXel HL14500R 3.6V 14500 Battery

Standard 14500 Battery

Capacity

750mAh

500-700mAh

Temperature

-40°C~85°C

-20°C~60°C

Low-Temp Startup

Stable at -40°C

Weak below -20°C

Heat Resistance

Stable after 80°C aging

Capacity fading

Outdoor Use

Automotive-grade

Limited

Continuous Discharge

Up to 5C

Standard

High Capacity 14500 Battery for Harsh Outdoor Environments

HL14500R is a 750mAh wide-temperature 3.6V 14500 lithium-ion battery with up to 15A discharge and stable operation from -40°C to +85°C for GPS tracking, smart locks, eCall systems.

14500R Battery Performance Validation

Validated under extreme temperatures, high-temperature aging, and continuous discharge conditions to ensure reliable operation in harsh outdoor and industrial environments.

Stable operation from -40°C to +85°C
Retains over 90% capacity after 80°C high-temperature aging
Supports up to 5C continuous discharge
Compact 14500 cell design for industrial electronic systems

14500R Battery Application

Compact electronic systems such as GPS trackers, eCall devices, and outdoor IoT equipment require stable power under extreme temperatures and demanding discharge conditions. HL14500R delivers reliable wide-temperature lithium performance for harsh environments.

Smart Lock Battery

Challenges

Extreme outdoor temperature causes abnormal failure; high self-discharge leads to frequent lock malfunction
Slow charging and heavy weight increase regular maintenance expenses

UltraXel Solution

Reliable operation under wide ambient temperature, low self-discharge matching solar power supply
Fast charging & lightweight design effectively lower post-operation cost
Full safety approvals for large-scale outdoor installation

Custom 14500 Battery Pack Solutions

UltraXel also provides custom li ion 14500 battery pack solutions for industrial and outdoor devices, supporting both cylindrical cell integration and OEM battery system development.

Versatile Power for Critical Applications

The HL14500R battery ensures reliable power in extreme conditions, helping your products stand out and driving profitability through reduced risks and enhanced performance.

Key Performance Highlights

-40°C to +85°C Operating Temperature

750mAh Typical Capacity

3.5A Max Continuous Discharge

Capacity retention at minus 40 degrees Celsius

≈ 60% Capacity Retention at -40°C

Recovery capacity after high-temperature aging

> 90% Recovery Capacity After 1000h @ 85°C Aging

Electrical Specifications

Typical Capacity (0.2C)

750mAh

Minimum Capacity (0.2C)

700mAh

Nominal Voltage

3.6V

Working Voltage

2.75V – 4.20V

Max Charge Current

0.7A

Max Continuous Discharge Current

3.5A

Charge Temperature

-20°C ~ +60°C

Discharge Temperature

-40°C ~ +85°C

Reliability Performance

Cycle Life

> 500 Cycles

-40°C Capacity Retention (0.2C)

≈ 60%

Recovery Capacity After 1000h @ 85°C Aging

> 90%

Mechanical Specifications

Diameter

14.2 ± 0.2 mm

Height

48.9 ± 0.3 mm

FAQ About Automotive-Grade 14500 Battery

What size is a 14500 battery?

A 14500 battery is approximately 14mm in diameter and 50mm in length, which is where the name “14500” comes from.

It has a same physical size to an AA battery and is widely used in compact electronic devices, GPS trackers, smart door locks, industrial sensors, and portable equipment.

What is the highest capacity of a 14500 battery?

Most standard 14500 lithium-ion batteries typically range from 600mAh to 1000mAh depending on chemistry, discharge rate, and application requirements.

Some consumer batteries may claim extremely high capacities, but actual performance often varies under real operating conditions.

For industrial and outdoor applications, battery stability, temperature resistance, and long-term reliability are often more important than maximum advertised capacity.

What is the difference between 14500 and 18650 batteries?

The main difference between 14500 and 18650 batteries is size, capacity, and runtime.

14500 batteries are smaller and similar in size to AA batteries, making them ideal for compact electronic devices.

18650 batteries are larger and typically provide higher capacity and longer runtime for high-power applications such as outdoor surveillance systems, industrial electronics, and energy devices.

UltraXel both 14500 and 18650 lithium-ion batteries are available in wide-temperature versions for demanding outdoor and industrial applications, supporting stable operation in environments from -40°C to +85°C.

Will a 14500 battery fit in an AA battery space?

Yes, a 14500 battery can physically fit into an AA battery compartment because both share similar dimensions.

However, voltage compatibility is critical. A 14500 lithium-ion battery operates at 3.6V/3.7V, much higher than a standard 1.5V AA battery.

Before replacing AA batteries with 14500 batteries, always confirm that the device supports lithium-ion voltage input.

How long do 14500 batteries last?

The lifespan of a 14500 battery depends on device power consumption, operating temperature, charging conditions, and usage frequency. Standard 14500 batteries typically support around 300–500 charge cycles under normal room-temperature conditions.

While UltraXel industrial-grade 14500 batteries can achieve more than 1000 charge cycles under extreme temperatures from -40°C to +85°C.