Product Description
Functional Reliability for Harsh Environments
Designed specifically for industrial users and system integrators, this 18650 lithium ion battery addresses the need for dependable energy in extreme temperature conditions ranging from -40°C to 85°C. The cell’s capacity and voltage stability make it a robust solution for enterprises requiring batteries that maintain functionality under rigorous thermal stress. As a product from experienced lithium ion battery manufacturers, it suits applications requiring consistent electrical performance in environments where typical cells may fail, enabling mission-critical deployments with minimized downtime.
Advanced Engineering with Measurable Benchmarks
This 18650 lithium ion battery features a nominal voltage of 3.7V and a nominal capacity of 2500mAh, with performance validation showing over 50% capacity retention at -40°C. Internal resistance is kept below 20mΩ, enabling steady power output and enhanced cycle life exceeding 500 full charge-discharge cycles at room temperature. These technical parameters position the battery as a high-reliability component, backed by recognized international certifications and meticulous quality control, essential for integration into precision electronic modules requiring standardized battery supplier credentials.
Industry Applications Supporting System Integration
The battery's broad operating temperature range and certified safety compliance make it suitable for industries such as aerospace, military instrumentation, outdoor renewable energy systems, and sophisticated communication devices. It serves as a reliable power source within solar street lighting systems and electric vehicle supply equipment, fulfilling stringent operational requirements. By incorporating this 18650 lithium ion battery, manufacturers and engineers can ensure resilience and efficiency in demanding workflows, aligning with stringent environmental and regulatory standards.
| Item |
Specifications |
Remark |
| Model No. |
Li18650WT-2500 |
|
| Nominal Voltage |
3.7V |
|
| Nominal Capacity |
2500mAh |
@0.2C standard charge&discharge |
| Dimensions |
18.5*65.5mm max |
Diameter*Height |
| Cycle Life |
≥500 times |
(25 ℃，0.5 C / 0.5C ) |
| Charge Method |
CC/CV |
|
| Charge Cut-off Voltage |
4.2V |
|
| Discharge Cut-off Voltage |
3.0V |
|
| Standard Charge Current |
0.02C |
|
| Standard Discharge Current |
0.02C |
|
| Max Continuous Charge Current |
1C |
|
| Max Continuous Discharge Current |
2C |
|
| Operating Temperature Range |
Charge: 0~45℃ |
|
| Discharge: -40~85℃ |
|
| Storage Temperature Range |
5~35℃ |
|
| Internal Resistance |
≤20mΩ |
|
| Weight |
Approx. 45.5±2g |
|
- Good Rate Performance: Capable of continuous 5A 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 50% of its capacity at a 0.2C discharge rate, discharge to 2.5V.
- 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.
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...
FAQ
What distinguishes your 18650 lithium ion battery for industrial use?
Our 18650 lithium ion battery offers stable output across a wide temperature range (-40°C to 85°C), low internal resistance, and a cycle life of ≥500 cycles, making it ideal for demanding industrial applications needing reliable power in harsh environments.
Can you customize the battery specifications for specific industrial projects?
Yes, as a leading lithium ion battery manufacturer, we provide tailored options including capacity, size, and charge/discharge parameters to meet your project requirements. Contact us to discuss your specific needs and custom production plans.
How should I handle installation and maintenance for your 18650 battery?
We recommend installing the battery within its specified temperature ranges and following IEC62133 safety guidelines. Proper charging (0.02C standard) and avoiding exposure outside the storage temperature (5°C–35°C) ensures long cycle life and consistent performance.
What logistics and certifications support your battery exports?
Our batteries comply with CE, UL, CB, PSE, RoHS, REACH, and UN38.3 certifications, enabling safe international shipping and regulatory compliance. We have exported to over 80 countries, supporting global business customers with dependable logistics and documentation.
