| Rechargeable li-polymer battery 387490-2000mAh 3.7V |
| Product Description |
| Lithium ion polymer battery |
| Battery model: 387490-2000mAh 3.7V |
| Material of Case Soft Al-film packing foil |
| Nominal Capacity:2000mAh |
| Nominal Voltage:3.7V |
| Max Charge Current: 1.0C=2A |
| Max Discharge Current: 1.5 C=3A |
| Charge method CC/CV (constant current/constant voltage) |
| Size: 3.8*74*90mm |
| Weight: About 50g |
| Rechargeable battery with no less than 500 times cycle life |
| 3.7V polymer li-ion battery 387490-2000mAh 3.7V |
| 1) Specification |
| No. | Item | Rated Performance | Remark |
| 1 | Rated Capacity | Typical | 2000mAh | Discharge at 0.2C after standard charge fully. |
| Minimum | 1900mAh |
| 2 | Nominal Voltage | 3.7V | Mean operation voltage during standard discharge. |
| 3 | Voltage at end of | 3.0V | Discharge cut-off voltage. |
| Discharge |
| 4 | Charging Voltage | 4.2±0.03V |
|
| 5 | AC (1KHz) Impedance New Cell Max.(mW) | ≤45mΩ |
|
| 6 | Standard Charge | Constant Current 0.5C | Charge time: Approx 4.0h. |
| Constant Voltage 4.2V |
| Cut-off current 0.01C |
| 7 | Standard Discharge | Constant current 0.2 C |
|
| end voltage 3.0V |
| 8 | Fast Charge | Constant Current 1C | Charge time: Approx 2.5h. |
| Constant Voltage 4.2V |
| Cut-off current 0.01C |
| 9 | Fast Discharge | Constant current 1 C |
|
| end voltage 3.0V |
| 10 | Maximum Continuous Charge Current | 1.0C |
|
| 11 | Maximum Continuous Discharge Current | 1.5C |
|
| 12 | Operation Temperature Range | Charge: 0~45C | 60±25%RH. |
| Discharge: -20~60C | Bare Cell. |
| 13 | Storage Temperature | Less than 1 year: -20~25C |
|
| Range | Less than 3 months: -20~40C |
|
| Less than 1 months: -30~45C |
|
| Less than 12 hour: 45~60C |
|
| 14 | Storage Humidity Range | 60±25%RH. |
|
| 15 | Weight | Approx: 50g | Whole product |
| 16 | Product Dimension | Length: Max. 91.5mm | Initial dimension |
| Width: Max. 74.5mm |
| Thickness: Max. 4.0mm |
| 17 | Package | Standard International transportation package, based on UN3480 PI965[RLI] Lithium lon Cells/Batteries ONLY |
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| 2) Electric features: |
|
| No. | Item | Type value | Unit |
|
| 1 | Over charge detection voltage | 4.28±0.03 | V |
|
| 2 | Over charge detection delay time | 80-200ms |
|
|
| 3 | Over charge release voltage | 4.08±0.03 | V |
|
| 4 | Over discharge detection voltage | 3.0±0.08 | V |
|
| 5 | Over discharge detection delay time | 20-60ms | V |
|
| 6 | Over discharge release voltage | 3.0±0.25 | V |
|
| 7 | Over current detection voltage | 150±30mv | V |
|
| 8 | Over current protection current | 1.8±0.5A | A |
|
| 9 | Over current detection delay time | 10-20ms |
|
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| 10 | Cycle life | ≤500 times(≥70% 0.5C) |
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