Long-Life Wide-Temperature 14500 LiFePO4 Battery
Reliable 14500 lfp battery——power for remote monitoring, wireless sensors, and outdoor IoT devices.
14500 LiFePO4 Battery for Harsh Outdoor Environments
HL14500S is a 500mAh 14500 LiFePO4 battery with high safety performance and stable operation from -40°C to +85°C for smart locks and compact industrial devices.
High-Safety Chemistry
LiFePO4 chemical stability for industrial systems
Wide-Temp Operation
Stable performance from -40°C to +85°C.
Long Cycle Life
Supports 1000+ charge/discharge cycles.
High-Temperature Durability
Retains over 90% capacity after 80°C aging.
High Discharge Capability
Supports up to 8C continuous discharge.
Compact 14500 Cell Design
Ideal for outdoor & industrial electronics
14500S Battery Performance Validation
Validated under extreme temperatures, high-temperature aging, and high-drain discharge conditions to ensure stable 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 8C continuous discharge
- High-safety LiFePO4 chemistry for industrial electronic systems
Standard 14500 & NiMH Battery vs HL14500S LiFePO4 Battery
HL14500S is a wide-temperature 14500 LiFePO4 battery designed as a reliable replacement for traditional NiMH backup battery systems.
Feature
UltraXel HL14500S LiFePO4 Battery
Standard 14500 Li-ion Battery
Traditional NiMH Battery
Operating Temperature
-40°C~85°C
-20°C~60°C
-10°C~50°C
Low-Temperature Discharge
Stable discharge down to -40°C
Severe voltage drop below -20°C
Weak low-temperature output
High-Temperature Stability
> 90% capacity retention after 48 days at 80°C
Performance degradation under heat
High self-discharge at elevated temperatures
Cycle Life
> 80% capacity retention after 1000 cycles
300-500 cycles
300-500 cycles
High-Temperature Cycling
70% retention after 800 cycles at 60°C
Limited durability
Limited durability
Continuous Discharge
Supports 8C continuous discharge
Moderate
Low
Safety
LiFePO4 high-safety chemistry
Standard Li-ion safety
Moderate
Safe and Rugged Power for Extreme Conditions
HL14500S is a wide-temperature 14500 LiFePO4 battery designed as a reliable replacement for traditional NiMH backup battery systems.
Battery for GPS Tracking Devices
Challenges
- GPS devices fail to start in winter
- Voltage drops during signal transmission
- Outdoor deployment requires a long standby life.
UltraXel Solution
- Reliable low-temperature startup
- Stable discharge for GPS communication
- Long-term outdoor power reliability
Battery for Outdoor Alarm Systems
Challenges
- Long standby causes battery aging
- Outdoor heat and cold reduce reliability
- Unexpected outages require stable backup power
UltraXel Solution
- Long standby performance
- Wide-temperature outdoor durability
- Reliable emergency backup operation
Battery for Asset Tracking Devices
Challenges
- Temperature fluctuations affect communication stability
- Compact devices require small battery size
- Remote deployment increases maintenance difficulty
UltraXel Solution
- Stable outdoor discharge performance
- Compact AA-size 14500 cell design
- Long-life industrial reliability
Battery for Smart Logistics Trackers
Challenges
- Cold-chain transportation impacts battery runtime
- Outdoor logistics tracking requires stable power
- Frequent charging increases maintenance costs
UltraXel Solution
- Reliable low-temperature discharge
- Stable performance during transportation
- Extended service life for outdoor logistics systems
eCall Battery
Challenges
- Long time of 16-hour slow charging prolongs inventory turnover cycle
- Bad low-temperature performance leads to power failure in cold weather
- Excessive weight and insufficient discharge output
UltraXel Solution
- One-hour fast charging and stable performance across -40℃~+85℃ wide temperature range
- Lightweight design with improved discharge capability
- Integrated safety components plus complete global certifications
Battery for Wireless Sensor Systems
Challenges
- Strict low-power requirement for long standby time
- Troublesome and costly on-site battery replacement
- Reduced working efficiency in low-temperature environments
UltraXel Solution
- High energy density for longer standby duration
- Long cycle life to cut maintenance costs
- Stable discharge performance in cold conditions
Battery for Remote Monitoring Systems
Challenges
- Unstable power supply in off-grid remote areas
- Extreme temperatures damage battery stability
- Power failure causes data transmission interruption
UltraXel Solution
- Adaptable to -40°C~+85°C extreme temperatures
- Reliable power support for off-grid continuous work
- Constant voltage output to avoid data loss
Battery for Outdoor IoT Devices
Challenges
- Unstable performance under fluctuating outdoor temperatures
- Hard maintenance for remote outdoor installation
- Insufficient power output under peak working loads
UltraXel Solution
- Stable operation within -40°C~+85°C wide temperature range
- Low-maintenance design for remote field deployment
- Strong pulse discharge to meet peak power demand
Custom 14500 Battery Pack Solutions
UltraXel also provides custom lithium battery pack solutions for industrial and outdoor devices, supporting both cylindrical cell integration and OEM battery system development.
PCM / BMS Integration
Reduces replacement frequency and long-term maintenance cost for industrial devices.
NTC Temperature Protection
Stable operation in harsh temperature environments
Connector Customization
Customized connectors and interface solutions
Wire Harness Assembly
Flexible cable and wiring integration
OEM Battery Pack Design
Tailored lithium battery pack development
Industrial-Grade Reliability
Designed for long-term outdoor deployment
Versatile Power for Critical Applications
The HL14500S battery ensures reliable power in extreme conditions, helping your products stand out and driving profitability through reduced risks and enhanced performance.
Security & Monitoring
Medical Devices
Industrial Handhelds
Outdoor Instruments
Mineral Exploration Solutions
Military Gear
Smart Logistics Equipment
14500S Product Specifications
HL14500S is engineered for long-life backup power and outdoor electronic devices operating in extreme cold and high-temperature environments.
Key Performance Highlights
-40°C to +85°C
Operating Temperature
500mAh
Typical Capacity
2.4A
Max Continuous Discharge
≈ 60%
Capacity Retention at -40°C
> 90%
Recovery Capacity After 1000h @ 85°C Aging
Electrical Specifications
Parameter
Specification
Typical Capacity (0.2C)
500mAh
Minimum Capacity (0.2C)
480mAh
Nominal Voltage
3.20V
Working Voltage
2.00V – 3.65V
Max Charge Current
0.48A
Max Continuous Discharge Current
2.4A
Charge Temperature
-20°C ~ +60°C
Discharge Temperature
-40°C ~ +85°C
Reliability Performance
Parameter
Specification
Cycle Life
> 1000 Cycles
-40°C Capacity Retention (0.2C)
≈ 60%
Recovery Capacity After 1000h @ 85°C Aging
> 90%
Mechanical Specifications
Parameter
Specification
Diameter
14.2 ± 0.2 mm
Height
48.9 ± 0.3 mm
FAQ About High Capacity 14500 Battery
What are 14500 batteries?
14500 batteries are rechargeable lithium-ion cells with dimensions similar to standard AA batteries.
The name “14500” refers to the battery size: approximately 14mm in diameter and 50mm in length.
14500 batteries are commonly used in compact electronic devices, smart door locks, GPS tracking devices, industrial sensors, portable electronics, and outdoor monitoring systems.
Are 14500 batteries the same as AA batteries?
14500 batteries are same in size to standard AA batteries, but they are not the same specification.
A 14500 lithium-ion battery usually operates at 3.6V or 3.7V, while a standard AA battery is typically 1.5V.
Using a 14500 battery in devices designed only for AA batteries may damage the device if voltage compatibility is not confirmed.
UltraXel 14500 batteries are commonly used in industrial and outdoor electronic systems requiring compact size and stable lithium performance.
Are all 14500 batteries rechargeable?
Most 14500 batteries on the market are rechargeable lithium-ion batteries operating at 3.6V or 3.7V.
However, some primary lithium or specialty batteries may not support recharging.
Before charging any 14500 battery, always verify the battery chemistry and charging specifications to avoid safety risks or battery damage.
How to charge 14500 batteries?
14500 lithium-ion batteries should be charged using a compatible lithium-ion battery charger designed for 3.6V or 3.7V rechargeable cells.
Using incorrect chargers or charging voltages may damage the battery or create safety risks.
For industrial and outdoor systems, stable charging performance under extreme temperatures is important for long-term battery reliability.
What is the best 14500 battery?
The best 14500 battery depends on the application requirements, including capacity, discharge rate, operating temperature, size limitations, and outdoor reliability.
For harsh outdoor and industrial environments, wide-temperature 14500 lithium-ion batteries are often preferred because they provide:
- Stable low-temperature performance
- High-temperature durability
- Reliable outdoor operation
- Compact battery design
- Long-term industrial reliability
UltraXel wide-temperature 14500 batteries are designed for industrial electronics, GPS tracking, automotive systems, and outdoor IoT applications operating from -40°C to +85°C.
English 
Русский 
Deutsch 
Français 
Italiano 
日本語 
한국어 
Español