Product Name
18650 Cylindrical Lithium-Ion Rechargeable Battery (Model: INR18650L30T20)
Advantages
Superior low-temperature performance with reliable discharge at -40℃ and stable charging at -20℃. Features 2000mAh capacity, 3.6V nominal voltage, 5C (9750mA) continuous discharge current, and 500-cycle life. Wide operating temperature range makes it ideal for cold-environment applications, similar to 21700 Li-Ion Battery standards.
Specifications
Item | Value |
Standard Capacity | 2000mAh (Min: 1950mAh) |
Nominal Voltage | 3.6V |
End of Discharge Voltage | 2.75V |
Discharge Cut-off Voltage | 1.8V |
Limited Charge Voltage | 4.2V |
Maximum Continuous Charge Current | 1C (1950mA) at 25±2℃ |
Maximum Continuous Discharge Current | 5C (9750mA) at 25±2℃ (thermal cutoff at 90℃) |
Weight | Approx. 42g |
Cycle Life
Condition | Cycles | Capacity Retention |
0.5C charge/discharge at 25±2℃ | 500 cycles | ≥70% (discharge time ≥210 minutes) |
Discharge Curve
Operating Temperature Range
Operation | Temperature Range |
Charge | -20℃ to 60℃
-20<T≤0℃: 0.05C to 4.1V
0<T≤10℃: 0.2C to 4.1V
10<T≤45℃: 0.5C to 4.2V
45<T≤60℃: 0.5C to 4.1V |
Discharge | -40℃ to 85℃
45<T≤85℃: 2.75V (Max 1C)
0<T≤45℃: 2.75V (Max 5C)
-20<T≤0℃: 2.5V (Max 3C)
-40≤T≤-20℃: 2.0V (Max 1C) |
Storage (≥60℃: max charge voltage ≤4.05V) | -40℃ to 85℃ (15 days); -40℃ to 60℃ (30 days); -20℃ to 45℃ (3 months); -20℃ to 25℃ (12 months) |
Certifications
Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Key Features
- Exceptional low-temperature performance at -40℃ discharge and -20℃ charging
- 2000mAh capacity with 3.6V nominal voltage for consistent power delivery
- 5C (9750mA) continuous discharge current with 90℃ thermal protection
- 500-cycle life at 0.5C with ≥70% capacity retention
- Wide operational temperatures matching 21700 Li-Ion Battery applications in cold environments
Applications
Cold-weather electronics, outdoor equipment, industrial tools, energy storage systems for frigid regions, and low-temperature Li-Ion Battery applications. Suitable for devices requiring reliable performance in -40℃ conditions, such as medical equipment and remote sensors.
Usage Warnings & Precautions
- Do not charge below -20℃ or discharge below -40℃.
- Use specified chargers and follow 4.2V charge limit.
- Avoid short circuits or exposure to temperatures exceeding 90℃ during discharge.
- Prevent immersion in water, fire, or physical damage in cold environments.
Storage Guidelines
- Store in a dry, ventilated area below 35℃ (humidity <75%) to maintain low-temperature performance.
- Long-term storage at -20℃ to 25℃ (0-12 months) ensures optimal capacity recovery.
Warranty & Disclaimer
1-year warranty covers defects affecting low-temperature performance or manufacturing flaws. Performance data is validated under standard conditions; actual results may vary by application.
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INR18650L30T20 3.6V 2000mAh 5C Discharge 500 Cycles Low Temperature Li-Ion Battery with High Discharge Rate Images
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