3.7V 640mAh Rechargeable Lithium Ion Battery with 500 Cycles
Product Name
OiD553436N640 Rechargeable Lithium-ion Polymer Battery
Advantages
- High energy density (640mAh typical capacity) with stable performance
- Built-in protection circuit (overcharge/discharge/short-circuit prevention)
- Lightweight (13.0g) and compact design
- Compliant with solid-state lithium battery standards
Specifications
|
Parameter |
Value |
|
Nominal Voltage |
3.7V |
|
Typical Capacity |
640mAh (0.2C discharge) |
|
Minimal Capacity |
≥620mAh |
|
Charging Voltage |
4.2V |
|
Discharge Cut-off Voltage |
3.0V |
|
Standard Charging Current |
0.2C (128mA) |
|
Max Charging Current |
1.0C (640mA) at 20°C–45°C |
|
Max Discharge Current |
1.0C (640mA) at 25°C–60°C |
|
Battery Impedance |
≤160mΩ |
|
Weight |
Approx. 13.0g |
|
Shipment Voltage |
3.90±0.05V |
Cycle Life
|
Condition |
Performance |
|
500 cycles (0.2C, 23±2°C) |
Capacity retention ≥80% |
|
28-day storage (20±5°C, 50% SOC) |
Capacity recovery ≥85% |
Discharge Curve
Operating Temperature Range
|
Mode |
Temperature Range |
Current Limit |
|
Charging |
0°C to 45°C |
0.2C (0°C–10°C) |
|
0.5C (10°C–20°C) |
||
|
1.0C (20°C–45°C) |
||
|
Discharging |
-20°C to 60°C |
0.2C (-20°C–0°C) |
|
0.5C (0°C–25°C) |
||
|
1.0C (25°C–60°C) |
Certifications
- Compliant with Li-ion battery standards: GB/T 18287-2013, IEC 61960, UL 1642
- RoHS compliant
Key Features
- Pet Li-ion Battery compatible (ideal for low-power pet devices like trackers)
- Integrated NTC for temperature monitoring
- Customizable connector (e.g., Molex 5013300300)
Applications
- Wearable devices
- Medical equipment
- IoT sensors
- Pet Li-ion Battery applications (e.g., smart pet collars, GPS trackers)
Usage Warnings & Precautions
- Avoid short-circuiting terminals.
- Do not expose to temperatures beyond -20°C–60°C.
- Discontinue use if swelling, leakage, or odor occurs.
Storage Guidelines
|
Temperature |
Duration |
Capacity Retention |
|
-10°C to 25°C |
12 months (50% SOC) |
≥85% |
|
-10°C to 45°C |
6 months (50% SOC) |
≥85% |
Warranty & Disclaimer
- 12-month warranty from shipment date.
- Misuse voids warranty.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


