Functional Suitability for Harsh Environment Devices
The -40°C to 85°C 18650 lithium battery is designed to meet the needs of industrial clients requiring dependable power sources for outdoor and extreme temperature applications. This wide temperature lithium battery serves manufacturers and system integrators developing rugged handheld devices, GPS trackers, and field instrumentation. Its compact 18650 rechargeable battery form factor enables seamless integration in design-constrained assemblies, providing a balance of capacity and size. Customers benefit from a lithium ion battery supplier with capabilities to deliver cells conforming to stringent operational demands and longevity expectations. The product supports continuous operation across a wide temperature range critical for mission-critical equipment reliability.
Technical Specifications and Quality Compliance for Engineering Precision
This 18650 lithium battery boasts a nominal voltage of 3.6V and a typical capacity of 2900mAh, with a rigorous minimum threshold of 2800mAh. It features a maximum continuous discharge current of 10A suitable for high-drain applications. The cell conforms to international safety and quality certifications including IEC62133, UN38.3, and UL, and is manufactured under ISO9001, ISO14001, and BSCI standards. Engineered to maintain stable internal resistance (≤18 mΩ) and an extended cycle life exceeding 500 full charge-discharge cycles, it employs a standard CC/CV charge method with 4.2V cutoff voltage for optimal cell health. These specifications ensure predictable, reproducible performance for system engineers demanding reliability and compliance in their lithium battery components.
Integration in Industrial and Field Applications with ROI Focus
This wide temperature lithium battery addresses demands from sectors such as military, automotive telemetry, environmental monitoring, and outdoor energy storage systems. Its capacity to operate effectively from -40°C to 85°C mitigates risk of power failure in harsh conditions. Designed for OEM/ODM collaborations, the 18650 rechargeable battery supports customized pack configurations and is validated through rigorous endurance testing. By supplying a consistent power source compatible with a broad range of industrial devices, this component leverages engineering efficiency and product lifespan to reduce maintenance cycles and total cost of ownership, allowing procurement managers to prioritize high-value energy solutions from a trusted lithium ion battery supplier.
| Item |
Specifications |
Remark |
| 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 |
|
- Good Rate Performance: Capable of continuous 10A discharge, performing excellently at room temperature.
- Wide Temperature Operating Range: Suitable for a wide working temperature range from -40℃ to 85℃.
- High and Low-Temperature Performance: At -40℃, it can still release over 70% of its capacity at a 0.2C discharge rate.
- Excellent High-Temperature Storage Performance: Exhibits outstanding storage performance in high-temperature environments (80℃).
- Low-Temperature Discharge Performance: Maintains excellent low-temperature discharge performance even after high-temperature storage.
- Superior Cycle Performance: Demonstrates good cycle life and stable performance.
Design and Structural Integration Excellence
The 18650 rechargeable battery incorporates a compact 18.5 mm by 65.5 mm cylindrical design optimized for modular assembly and dense pack configurations. Its wide temperature lithium battery chemistry is selected to ensure structural integrity and stable electrochemical properties under thermal stress, facilitating integration into compact and ruggedized devices. Manufactured by proactive lithium battery manufacturers, the cell features standardized dimensions and terminal interfaces to simplify replacement and scalability in complex systems. Protocols in production and assembly uphold precise tolerances, and safety mechanisms adhere to IEC and UL testing benchmarks. This structural design supports system engineers’ need for reliable, space-efficient energy modules in demanding operational contexts.
Performance Reliability and User-Centric Engineering Value
This wide temperature lithium battery provides sustained high output with a maximum discharge current of 10A, enabling power-hungry components to operate without interruption. The 2900mAh capacity ensures extended runtime, reducing downtime and increasing equipment productivity. The 18650 lithium battery has a robust cycle life of 500+ cycles, contributing to cost efficiency through prolonged service life in critical applications. Engineered for cold and heat tolerance, it mitigates risks associated with temperature-induced capacity loss or safety hazards. By sourcing from a reputable lithium ion battery supplier, end users benefit from consistent batch quality and dependable performance—factors essential for field personnel and product designers managing lifecycle costs and system uptime.
Military equipment, aerospace equipment, communication devices, solar street light, GPS, sensor, medical device, outdoor and adventure gear, telecommunication equipment, mining devices, EVSE charger, Camera, etc
Safety certificate: CE,CB, IEC62133, UL, PSE
Environmental certificate: ROHS, REACH
Quality management certificate: ISO9001, ISO14001, BSCI
Shipping certificate: UN38.3, MSDS, Air/Sea Transport Identification&Classification Report
01 Materials Mixing
Fully automatic feeding system,High precision, fully enclosed
02 Coating
High precision constant temperature coating machine
03 Electrode Piece Rolling
Precision automatic roller machine
04 Electrode Piece Slitting
Automatic battery electrode piece continuous slitting machine
08 Injection
Fully automatic bell type liquid injection machine
07 Tab Welding&Beading
Automatic welding machine
05 Winding
Automatic winding machine
09 Automatic Laser Welding
10 Formation&Capacity Sorting
Needle bed type charging cabinet
11 Cycle Test
Precision automatic roller machine
12 OQC Test
100% full test on appreance, voltage, capacity, resistance, size, etc
With 20 years experience in battery field, Topwell can arrange the battery ship by Sea / Air / Express.
We can provide you with all DG certification which allows you to ship these batteries,
such as UN38.3 /MSDS /DG. We can ship from Shenzhen,Shanghai,HK...
Use Scenarios
Application in Rugged Outdoor Equipment and Field Instruments
In environments characterized by extreme temperature variations such as outdoor surveillance, environmental sensing, and remote data logging, this wide temperature lithium battery functions as a reliable power source. Outdoor electronic systems demand energy solutions that maintain voltage stability and safety compliance under temperature extremes. The 18650 rechargeable battery form factor simplifies deployment in handheld and vehicle-mounted devices requiring lightweight, durable cells. Compliance with UN38.3 and IEC62133 certifications supports transportation and operational security standards, facilitating seamless integration into rugged packs customized for field resilience. This ensures continuous operation and efficient power management critical for mission success in challenging environments.
Role in Automotive and Military Energy Storage Systems
This 18650 lithium battery serves essential roles in automotive telematics, military communication devices, and sensor arrays that operate across wide temperature ranges inherent in vehicle cabins and field deployments. The battery’s extended discharge window and thermal adaptability enable it to sustain system performance across seasonal extremes and operational stressors. Its ability to be assembled into tailor-made battery packs supports diverse platform requirements, optimizing power density and safety. Additionally, adherence to strict international quality and environmental standards assures procurement teams that these lithium battery manufacturers uphold responsible and compliant production practices, aligning with stringent supply chain regulations and operational reliability demands in defense and automotive industries.
FAQ
What technical certifications support the safety of your 18650 lithium battery?
Our 18650 lithium battery is certified under IEC62133, UN38.3, and UL standards, with manufacturing processes compliant with ISO9001, ISO14001, and BSCI. These certifications ensure the battery meets rigorous safety and environmental requirements for industrial and outdoor applications.
Do you offer customization options for the wide temperature lithium battery?
We provide customization services tailored to your application needs, including specific electrochemical specifications, pack configurations, and certification requirements. As a trusted lithium ion battery supplier, we support tailored designs for demanding temperature ranges and high discharge rates.
How should I handle storage and maintenance for the -40°C to 85°C lithium battery?
We recommend storing the battery between -20°C to 25°C for up to 12 months to maintain optimal capacity. Short-term storage at wider temperatures is possible, but long exposure to extreme temps should be avoided to ensure a longer cycle life and safe operation.
Can you ship lithium batteries to North America and the EU in compliance with UN38.3?
Yes, we comply fully with UN38.3, CE, RoHS, and REACH regulations, enabling safe shipment of our wide temperature lithium battery to North America, the EU, and other global markets. We provide all necessary transport and safety documentation for seamless logistics.
