3.7V 400 mAh Lithium Batteries 602040
Please note that we have a MOQ for our battery. For batteries in stock, the MOQ is 20,000 pcs. For customized batteries, the MOQ is 50,000 pcs.
Hanery assists you throughout your project: battery size, capacity, discharge multiplier, operating temperature, safety, and associated protection circuitry. Please contact us or mark your requirements on the inquiry quotation.
Order single or thousands of items at a time. Our warehouse and flexible shipping options are available for last-minute, deadline critical orders.
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*Customization is always available, please mark down your need in form or just contact us.
Battery Specification
1. Mechanical Characteristics
| Cell | 602040 | PCM | Yes |
| NTC | No | Weight | appr. 7.6g |
| Configuration | 1S1P |
2. Electrical Specification
| Capacity | 400mAh | Nominal Voltage | 3.7V |
| Energy | 1.48Wh | Internal Resistance | less than 100 mΩ |
| Max. Charge Voltage | 4.2V | Discharge Cut Off | 3.0V |
| Max. Charge Current | 200mA | Max. Discharge Current | 200mA |
| Standard Charge Current | 400mA | Standard Discharge Current | 400mA |
| Charging Temperature | 0℃ to 45℃ | Discharging Temperature | -20℃ to 60℃ |
| Storage Temp.Range | 1 year at -20℃ to +30℃ 3 mos. at -20℃ to +45℃ 1 mo. at -20℃ to +60℃ | Cycle life | 100 cycles ≥92% 300 cycles ≥88% 500 cycles ≥80% |
3. Cell protection
| Overcharge Detection | 4.28V ±50mV (80 to 200msec delay, release 4.08V ±50mV) | Overdischarge Detection | 2.4V ±100mV (40 to 120msec. delay, release 3.0V ±100mV) |
| Overcurrent Detection | 2.5A to 4.5A (5 to 10msec. delay) | Short protection | Yes |
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