Wide-Temperature 14500 Lithium-ion Battery Cell
Wide-Temperature 14500 Battery Cells
14500 Cells and Custom Battery Pack Solutions
UltraXel develops wide-temperature 14500 rechargeable battery cells for automotive, industrial and outdoor electronics. Available in 3.6V NCM and 3.2V LiFePO₄, selected cells support discharge from -40°C to +85°C.
Similar in size to AA batteries, 14500 cells operate at higher voltages and should only be used in compatible equipment.
UltraXel 14500 Lithium-Ion Battery
Custom 14500 Lithium-Ion Batteries
UltraXel 14500 Lithium-Ion Battery
- Chemistry: Li-ion
- Nominal Voltage: 3.6V
- Typical Capacity: 750mAh
- Max Continuous Discharge: 3.5A
- Cycle Life: 500+ cycles
- Charge Temperature: −20°C to +60°C
- Discharge Temperature: −40°C to +85°C
- Chemistry: LiFePO₄
- Nominal Voltage: 3.2V
- Typical Capacity: 500mAh
- Max Continuous Discharge: 2.4A
- Cycle Life: 1,000+ cycles
- Charge Temperature: −20°C to +60°C
- Discharge Temperature: −40°C to +85°C
14500R NCM vs. 14500S LFP Cells
Key Performance of UltraXel 14500 Cells

Reliable Power at -40°C
Selected cells retain approximately 60% capacity at -40°C under 0.2C discharge.

Low-Temperature Charging
Selected models support charging at temperatures as low as -20°C.

Two Chemistry Options
Choose 3.6V NCM for higher capacity or 3.2V LiFePO₄ for longer cycle life.

Wide-Temperature Operation
Reliable discharge performance from -40°C to +85°C.

Compact 14500 Format
Compact cylindrical cells for space-constrained automotive, IoT and industrial devices.

High-Temperature Durability
Designed for stable performance and strong capacity recovery at temperatures up to 85°C.
Application Challenges & UltraXel Solutions

Automotive eCall & T Box Backup
Challenge: Backup power must remain reliable in extreme heat and cold. Solution: Wide-temperature cells support stable operation from -40°C to +85°C, with custom BMS, NTC and connectors.

GPS Tracking & Asset Monitoring
Challenge: Trackers require long standby time and stable transmission power outdoors. Solution: Compact 14500 cells provide reliable power for vehicle, cargo and asset trackers.

Cold-Chain Logistics Smart Locks
Challenge: Low temperatures can reduce capacity and affect unlocking or data transmission. Solution: Wide-temperature cells support reliable operation in refrigerated transport and cold storage.

Outdoor Surveillance & Alarm Systems
Challenge: Outdoor devices face heat, freezing temperatures and difficult battery replacement. Solution: UltraXel cells provide dependable power for cameras, PIR sensors and alarm systems.

Rugged Two-Way Radios
Challenge: Radios need stable standby power and higher output during transmission. Solution: Selected 14500 cells support reliable performance in cold and demanding field conditions.

Remote Sensors & Industrial IoT
Challenge: Remote devices require long service life with minimal maintenance. Solution: Choose LiFePO₄ for longer cycle life or Li-ion for higher capacity.

Portable Medical Devices
Challenge: Portable instruments require compact size and stable power. Solution: 14500 cells and custom packs support monitors, diagnostic devices and handheld equipment.

Surveying & Handheld Instruments
Challenge: Field instruments face changing temperatures and extended outdoor use. Solution: Wide-temperature cells provide stable power for total stations, data collectors and measuring devices.
Custom 14500
Battery Pack Solutions
configuration
protection
Note: Protection circuitry is available for custom battery packs and is not necessarily integrated into individual bare cells.
UltraXel Custom 14500 Battery Pack Process
Discover
We start by understanding your specific 14500 battery requirements. Please provide details such as voltage, capacity, battery case type, and any special needs.
Define
We identify the optimal 14500 battery pack design for your device and application.
Estimate
We provide a quotation based on your required order volume.
Contract
Once you confirm the design and terms, we prepare and send the contract.
Prototype
We produce a sample battery pack for testing and approval before mass production.
Typical Applications of 14500 Li-ion Battery Cell

Flashlights & LED torches
Compact size and high power output make it ideal for tactical and EDC lighting tools.

Smart IoT Devices
Powers compact sensors, GPS trackers, and BLE/WiFi modules in smart home or industrial systems.

Medical Devices
Suits small wearable or portable medical monitors, drug delivery systems, and diagnostic tools.

Remote Controls & Meters
Widely used in remote controllers, laser rangefinders, and handheld meters.

Toys & Hobby Electronics
Safe and long-lasting solution for RC models, electric toys, and DIY kits.
Why Choose UltraXel 14500 Battery Packs?

Wide Temperature Performance
• Charge: -20℃ to 60℃
• Discharge: -40℃ to 85℃
• Storage: -40℃ to 85℃
• Reliable operation in extreme conditions, ideal for demanding applications

High Performance & Safety
• Advanced lithium-ion chemistry
• High energy density and long cycle life
• Excellent discharge performance (up to 5C)
• Globally certified for safety and reliability

Compact & Customizable Design
• Standard AA size for easy integration
• Flexible customization for capacity, protective circuitry, voltage, casing, and labeling
• Meets diverse device-specific requirements

Professional Support & Global Delivery
• Strict quality control
• Specialized in wide-temperature lithium cell technology
• Dedicated technical support and OEM/ODM services
• Ensures smooth integration for your products
Discuss Your 14500 Battery Requirement
Our team will help you with cell selection, samples and custom battery pack solutions.

Battery Selection
Find the right capacity for your lighting system.

Custom Battery Packs
Custom voltage, capacity, BMS, connector and pack structure.

Replacement & Upgrade
Evaluate and replace existing battery systems with lithium.