3.7V 440mAh 1.5C Lithium Polymer Battery 500 Cycles
OiD452539C-440 3.7V 440mAh 1.5C Discharge 500 Cycles Lithium Polymer Battery
Product Name
OiD452539C-440 Lithium Polymer Battery
Advantages
- High energy density and lightweight design
- Long cycle life with stable performance
- Built-in protection circuits for enhanced safety
- Wide operating temperature range
Specifications
|
Parameter |
Value |
|
Model |
OiD452539C-440 |
|
Nominal Voltage |
3.7V |
|
Minimum Capacity |
420mAh (0.2C discharge) |
|
Typical Capacity |
440mAh (0.2C discharge) |
|
Charging Voltage |
4.2V |
|
Discharge Cut-off Voltage |
3.0V |
|
Standard Charge Current |
0.2C |
|
Max Charge Current |
1.0C (20°C~45°C) |
|
Standard Discharge Current |
0.2C |
|
Max Discharge Current |
1.5C (25°C~60°C) |
|
Weight |
Approx. 9.6g |
|
Shipment Voltage |
3.90±0.05V |
|
Battery Impedance |
≤200mΩ |
|
Connector Type |
JST ZHR-2P / JCTC 11501H00-2P-HF |
Cycle Life
|
Condition |
Performance |
|
Cycles |
500 cycles (0.2C charge/discharge) |
|
Capacity Retention |
≥80% of initial capacity |
Discharge Curve
Operating Temperature Range
|
Condition |
Temperature Range |
|
Charging |
0°C ~ 45°C |
|
Discharging |
-20°C ~ 60°C |
|
Storage |
-10°C ~ 25°C (12 months, ≥85%) |
|
-10°C ~ 45°C (6 months, ≥85%) |
|
|
-10°C ~ 55°C (1 month, ≥90%) |
Certifications
- Compliant with GB/T 18287-2013, IEC/EN61960, UL1642 standards
Key Features
- High safety with overcharge, over-discharge, and short-circuit protection
- Low self-discharge rate for long storage life
- Compact and lightweight design for portable devices
Applications
- Wearable devices
- Bluetooth headsets
- Portable medical devices
- IoT devices
Usage Warnings & Precautions
- Use only the original charger to avoid damage.
- Avoid short-circuiting the battery terminals.
- Do not expose the battery to high temperatures or fire.
- Immediately stop using the battery if leakage, swelling, or odor is detected.
Storage Guidelines
- Store the battery at 20±5°C with 50% charge for long-term storage.
- Charge the battery to 60% capacity every 3 months if unused.
- Keep the battery away from moisture and metal objects.
Warranty & Disclaimer
- 12-month warranty from the date of shipment.
- Any damage caused by improper use or handling is not covered by the warranty.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

