Wide Temp Battery Cell & Custom Pack
What is a Wide Temperature Lithium Battery?
UltraXel Wide Temp Battery Cell
UltraXel wide temp battery Advantages

Wide Temperature Performance
Operates safely and reliably in environments ranging from -40°C to +85°C.

Ultra-High Drain
Single cells support continuous discharge at 30A.

Long Cycle Life
Maintains 500 cycles at 60°C high-temperature conditions.

Low-temperature Operating
Supports 0.1C charging and 1.0C discharging for 100 cycles at -20°C without lithium plating.

Excellent Safety and Reliability
Complies with certifications including CB, UL, CCC, BSMI, BIS, and UN.

Extended Calendar Life
Remains safe and reliable with a calendar life of over five years.
Wide-Temperature Li-ion Battery Applications
- Automotive Electronics
- Security & Surveillance
- Outdoor Equipment
- Military
- IoT / Industrial IoT
- Power Tools
- Light Transportation
- Smart Agriculture
- BBU & Backup Power
- AGV / AMR Mobile Robots
Wide-Temperature Li-ion Battery Applications
Wide Temp Li-ion Batteries Types
Wide Temp NCM Batteries
- Operating Range: -40°C to 85°C
- Features: High energy density,long cycle life, fast charge/discharge, and reliable performance across -40°C to 85°C
- Applications: Automotive electronics, security & surveillance, outdoor & military, cold chain logistics, industrial & field devices, power tools, oil & gas, medical devices & IoT trackers
Wide Temp LiFePO4 Batteries
Custom Wide Temp Battery Packs
- Voltage Configuration Tailor voltage through series connections (12V / 24V / 48V, etc.).
- Capacity & Dimensions Adjust capacity via parallel connections and customize dimensions.
- BMS / PCM Integration Select BMS/PCM solutions to meet your specific application needs.
Technical Specifications of Wide Temp Batteries
| Specifications / Model | Typical Capacity | Operating Voltage | Nominal Voltage | Charging Temperature | Discharging Temperature | Capacity Retention at -40°C | Max Continuous Charging Current | Max Continuous Discharging Current | Cycle Life | Initial Internal Resistance | Weight | Diameter | Length | DETAIL & DATASHEET |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HL18650T | 2000 mAh | 2.75 V – 4.20 V | 3.6V | -20~+60℃ | -40~+85℃ | ≈ 60% | 1C | 10A | 500 cycles (0.5C/0.2C) | ≤40mΩ | ≈ 42g | 18.3±0.2 mm | 64.9±0.3 mm | |
| HL18650V | 2900 mAh | 2.75 V – 4.20V | 3.6V | -20~+60℃ | -40~+85℃ | ≈ 70% | 0.5C | 10A | 500 cycles (0.3C/0.3C) | ≤18mΩ | ≈ 46.0g | 18.3±0.2 mm | 64.95±0.2 mm | |
| HL18650F | 3000 mAh | 2.5 V – 4.20V | 3.6V | -20~+60℃ | -40~+85℃ | ≈ 70% | 1C | 30A | 500 cycles (0.5C/1C) | ≤18mΩ | ≈ 46.5g | 18.25±0.2 mm | 64.95±0.2 mm | |
| HL18650Y | 3200 mAh | 2.5 V – 4.20V | 3.6V | -20~+60℃ | -40~+85℃ | ≈ 70% | 1C | 10A | 500 cycles (0.5C/1C) | ≤18mΩ | ≈ 47g | 18.25±0.2 mm | 64.95±0.2 mm | |
| HL18650G | 1600 mAh | 2 V – 3.65V | 3.2V | -20~+60℃ | -40~+85℃ | ≈ 60% | 1C | 7.75A | 1000 cycles (1C/1C) | ≤30mΩ | ≈ 39g | 18.3±0.2 mm | 65±0.3 mm | |
| HL14500R | 750 mAh | 2.75 V – 4.20V | 3.6V | -20~+60℃ | -40~+85℃ | ≈ 60% | 1C | 3.5A | 500 cycles (1C/1C) | ≤30mΩ | ≈ 19.5g | 14.2±0.2 mm | 48.9±0.3 mm | |
| HL14500S | 500 mAh | 2 V – 3.65V | 3.2V | -20~+60℃ | -40~+85℃ | ≈ 60% | 1C | 2.4A | 1000 cycles (1C/1C) | ≤30mΩ | ≈ 17.8g | 14.2±0.2 mm | 48.9±0.3 mm | |
| HL32140L | 15000 mAh | 2 V – 3.65V | 3.2V | -20~+60℃ | -40~+80℃ | ≈ 60% | 2C | 3C | 2000 cycles (0.5C/1C) | ≤3mΩ | ≈ 310g | 140±0.3 mm | 33.2±0.2 mm |
UltraXel Wide Temp Cell vs Standard Li-ion Cell
| Comparison Dimension | UltraXel Wide Temp Battery | Standard Lithium Battery | Advantage |
| Operating Temperature Range | Charging: -30°C to 60°C Discharging: -50°C to 85°C | Charging: 0°C to 45°C Discharging: -20°C to 60°C | Stable operation in extreme cold and high heat, ideal for harsh environments. |
| High-Temperature Float Charge | Can safely float charge at 60°C | Typically unstable under high temp float charge | Reliable in hot environments without performance loss. |
| High-Temperature Storage | Maintains >90% capacity after long-term storage at 85°C | Capacity drops significantly under high temp storage | Long-term storage reliability in extreme heat. |
| Low-Temperature Discharge | Delivers 80% of room-temp efficiency at -40°C | Performance drops below -10°C | Reliable low-temp operation for cold climates. |
| Low-Temperature Charging | Supports 0.2C charging at -30°C (patented lithium plating prevention) | Usually cannot charge below 0°C | Safe and efficient cold charging. |
| Fast Discharge Capability | Supports up to 30A | Typically <10A | Meets high power demands for industrial and automotive devices. |
| Cycle Life | Low temp (-10°C): up to 500 cycles Room temp (25°C): up to 2000+cycles | Typically <500 cycles | Longer lifespan under extreme conditions, reducing replacement frequency. |
| Internal Resistance | <30mΩ, low increasing in high.low temp. | Higher,dramatically increase at high/low temp. | More stable and efficient operation for high-load usage. |
| Self-Discharge | <3% per year at room temp | >10% per year | Maintains charge longer, ideal for backup and intermittent use. |
| Application Scenarios | Automotive electronics, IoT devices, outdoor equipment, industrial & military | Limited to normal temp devices | Broader application range, suitable for demanding environments. |
Why Choose UltraXel?

5-Year Wide-Temperature Stability
Reliable operation from -40°C to +85°C,supporting float charging and long-term standby.

100% Industrial & Automotive-Grade Reliability
ISO & IATF16949 certified, decades of R&D expertise, validated under extreme conditions, zero safety incidents, proven in overseas automotive applications.

Custom Battery Solutions
14500 / 18650 / 21700 / 32140 cells/packs, LFP & NCM, tailored to power and form factor needs.

28+ Years of Advanced Technology
Cutting-edge materials, design, and production optimized for extreme environments and real-world applications.
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Wide-Temperature Battery FAQ
What is a wide-temperature battery?
Why do I need a wide-temp range battery?
Can I get custom wide-temp batteries?
What industries use wide-temperature lithium batteries?
- Automotive & EV batteries for extreme climates
- Industrial handheld devices
- Medical equipment
- Smart logistics and IoT devices
- Defense and outdoor instrumentation