18650 Lithium Battery 4000mAh 3.7V Rechargeable Cell with 300+ Cycle Life for Power Tools and Electronics
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
20 work days
Brand:
FBATTERY
Product Description
Product Assembly Components
| Part No. | Part Name | Description | Quantity |
|---|---|---|---|
| 1 | Cell | 18650-2000mAh | 2 |
| 2 | PCM | W5.0 T0.8 L35mmS-8205 DWO1 | 1 |
| 3 | Lead | 1007 22# | 2 |
| 4 | Connector | XH 2.54 | 1 |
Technical Specifications
| Typical Capacity | 4100mAh Discharge (4.2V to 2.5V) 0.2C |
| Minimum Capacity | 2000mAh Discharge (4.2V to 2.5V) 0.5C |
| Nominal Voltage | 3.7V |
| Standard Charge | 4.2V |
| Standard Discharge | CC, 0.2C (800mA) 2.75V |
| End-of-charge Current | 20mA (At CV mode) |
| Standard Charging Current | 800mA (0.2C5 rate) |
| Max Charge Current | 1500mA (0.5C5 rate) |
| Max Discharge Current | 1500mA |
| Initial Impedance | ≤130mΩ |
| Weight | Approx 200.0g |
| Operating Temperature | Charging: 0℃~45℃ / Discharge: -20℃~+50℃ |
| Storage Temperature | Within one month: -20℃~+50℃, 80%RH Max Within one year: -20℃~+25℃, 75%RH Max |
| Storage Humidity | ≤75% RH |
| Appearance | Without scratch, distortion, contamination and leakage |
Performance Characteristics
Temperature Dependence of Discharge Capacity
| Charge Temperature | -10℃ | 0℃ | 15℃ | 25℃ | 50℃ |
|---|---|---|---|---|---|
| Relative Capacity | 70% | 80% | 90% | 100% | 95% |
Discharge Rate vs Capacity
| Charging Temperature / Current | 0.2C | 0.5C | 1C |
|---|---|---|---|
| 25℃/0.2C | 100% | 95% | 85% |
Circuit Diagram
Application Areas
- Toys and Power Tools
- Home Appliances and Camera Equipment
- Consumer Electronics and POS Machines
- Router/Switch Systems and Remote Controls
Performance Testing Results
| Test Item | Test Methods and Conditions | Criteria |
|---|---|---|
| 0.2C Capacity | After standard charging, rest battery for 10min, then discharging at 0.2C to voltage 3.0V, recording the discharging time | ≥290min |
| Cycle Life | Constant current 0.5C charge to 4.2V, then constant voltage charge to current declines to 0.01C, rest 10min, constant current 0.5C discharge to 3.0V, rest 10min. Repeat until capacity drops below 80% of initial | ≥300 times |
| Capability of Keeping Electricity | 20±5℃, After standard charging, rest the battery 28 days, discharging at 0.2C to voltage 3.0V | ≥90% |
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Company
Wuhan Future Intepower Co., Ltd.
Location
Room 316, Unit 3 Zhihui Building, 0601 Area of Jianhan, Economic Development Zone, Jianhan District, Wuhan, Hubei, China , Jianghan District, Wuhan, China
Contact Person
Wendy (Jiang Wei)