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Introduction of Wide-Temperature(-40°C to 85°C) 18650 3.6V 2900mAh Lithium Battery
The HL18650V is a cutting-edge lithium-ion battery designed to provide exceptional performance in extreme temperature environments. Built with a standard 18650 cylindrical form factor (18mm diameter x 65mm length), it combines high energy density, long cycle life, and robust temperature tolerance. This makes it an ideal power solution for applications ranging from consumer electronics to industrial and military equipment, particularly in harsh climates where standard batteries may falte.
Nov 27th,2025
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Key Features
Exceptional Temperature Performance
The standout feature of the HL18650Vis its ability to discharge effectively across a temperature range of -40°C to 80°C, significantly wider than the typical -20°C to 60°C discharge range of standard ternary lithium batteries. This extended range ensures reliable operation in extreme conditions, such as:
- Cold Environments: Suitable for polar exploration equipment, outdoor surveillance systems, or military devices operating in sub-zero temperatures.
- Hot Environments: Ideal for vehicle-mounted devices or industrial sensors in high-temperature settings.
The charging temperature range extends further based on similar models (-20°C to 60°C).High Capacity and VoltageBased on comparable models, the HL18650V likely offers a standard capacity of 2900mAh (with a minimum of 2800mAh) and a nominal voltage of 3.6V. This capacity supports long-lasting power delivery for high-drain devices, ensuring consistent performance.Long LifecycleThe battery is designed for durability, potentially supporting up to 1500 charge-discharge cycles at 50% depth of discharge (DOD), with 1000 cycles at 80% DOD and 800 cycles at 100% DOD. This longevity makes it a cost-effective solution for applications requiring frequent recharging.Lightweight and Compact DesignWeighing approximately 44g, the HL18650V is lightweight and easy to integrate into portable devices, maintaining a compact 18650 form factor for compatibility with a wide range of equipment.Advanced ChemistryThe HL18650V likely utilizes NCM (Nickel Cobalt Manganese) chemistry, known for its high energy density and stability, providing a balance of performance and safety for demanding applications.
Advantages over Standard Batteries
The HL18650V offers significant advantages over conventional 18650 lithium-ion batteries, particularly in its temperature performance. Standard ternary lithium batteries typically operate within a discharge temperature range of -20°C to 60°C and a charging range of 0°C to 45°C. In contrast, the HL18650V extends its discharge range to -40°C to 80°C, enabling reliable operation in extreme conditions. This makes it a superior choice for applications where temperature fluctuations are a concern, such as outdoor, military, or industrial settings.Additionally, the battery’s robust cycle life and high energy density ensure it outperforms standard batteries in terms of longevity and efficiency, reducing replacement costs and enhancing device reliability.
Applications
The HL18650V ’s exceptional temperature tolerance and reliable performance make it suitable for a wide range of applications, including:
- Outdoor Equipment: Powers GPS trackers, cameras, and communication devices used in extreme weather conditions, such as mountaineering or arctic exploration.
- Military and Aerospace: Provides dependable energy for communication systems, sensors, and other critical equipment in harsh climates.
- Electric Vehicles: Enhances performance in cold starts or high-temperature environments, improving vehicle reliability.
- Energy Storage Systems: Supports solar or wind energy storage with stable performance across temperature variations.
- Medical Devices: Ensures uninterrupted operation of portable medical equipment in diverse environmental conditions.
Technical Specifications
| Model No. |
HL18650V |
|
| Nominal Voltage |
3.6V |
|
| Nominal Capacity |
2900mAh (Min. 2800mAh) |
@0.2C standard charge & discharge |
| Dimensions |
18.5*65.5mm max |
Diameter*Height |
| Cycle Life |
≥500 times |
(25 ℃，0.5 C / 1C ) |
| Charge Method |
CC/CV |
|
| Charge Cut-off Voltage |
4.2V |
|
| Discharge Cut-off Voltage |
2.75V |
|
| Standard Charge Current |
0.56A |
|
| Standard Discharge Current |
0.56A |
|
| Max Continuous Charge Current |
1.4A |
|
| Max Continuous Discharge Current |
10A |
|
| Operating Temperature Range |
Charge: -20~60℃ |
-20-10＜T≤0℃: 0.1C to 4.1V,
0＜T≤10℃: 0.2C to 4.2V,
10＜T＜60℃: 0.5C to 4.2V |
| Discharge: -40~85℃ |
0＜T≤85℃: 2.75V,
-20＜T≤0℃: 2.5V,
-40≤T≤-20℃: 2.0V |
| Storage Temperature Range |
-20~25℃ |
0 - 12 months |
| -20~45℃ |
0 - 6 months
|
| -40~60℃ |
0 - 3 months |
| -40~80 ℃ |
Within 30 days |
| Internal Resistance |
≤18mΩ |
|
| Weight |
Approx. 44g |
|
Safety and HandlingThe HL18650V likely includes a built-in protection circuit to prevent overcharging, over-discharging, and short-circuiting, ensuring safe operation. Handling instructions include:
- Leakage or Odor: Remove the battery from thermal conditions and clean any leaked solvent with water.
- Welding Restrictions: Welding is permitted on the battery surface, except for the central 2mm diameter of the negative terminal and the side wall.
- Storage: Store at temperatures between -40°C and 85°C for short-term storage (less than 3 months).
Comparison with Industry Standards
The HL18650V’s discharge temperature range of -40°C to 80°C compares favorably to other wide-temperature 18650 batteries. For example:
- Standard 18650 Batteries: Typically limited to -20°C to 60°C for discharge, as noted in industry sources.
- Lithium Titanate (LTO) 18650 Batteries: Offer similar low-temperature performance (-40°C) with up to 70% capacity retention after 4 hours at -40°C (Lithium Titanate Battery).
The HL18650V’s performance is competitive with specialized low-temperature batteries while maintaining a standard 18650 form factor and NCM chemistry for versatility.
Conclusion
The HL18650V lithium battery is a robust and reliable power solution for applications requiring operation in extreme temperature conditions. Its extended discharge temperature range of -40°C to 80°C, combined with high capacity, long cycle life, and lightweight design, makes it an excellent choice for industries such as outdoor equipment, military, aerospace, electric vehicles, and energy storage. For detailed specifications or custom solutions, please contact us directly.
