Typical Lithium Ion Polymer Battery Technical Data
The lithium ion polymer battery range includes 200 models which offer designers increased flexibility when it comes to developing next generation portable devices. The lithium polymer battery cells come in low profile, high energy density packages for fitting into those tightest of spaces. With this technology advance, cells have been made lighter providing reduction in the overall end product weight. For an overall product solution cells or Battery Packs can be factory assembled with Protection Circuit Modules (PCM).
| Lithium Polymer Battery Cell Specification | ||
| Nominal Voltage | 3.7V | |
| Nominal Capacity | 100mAh to 4500mAh‡ | |
| Charge | Method | Constant Current (CC) / Constant Voltage (CV) |
| Max. Current | 1C | |
| Max. Voltage | 4.2V† | |
| Discharge | Max. Current | 1C (higher rate cells available) |
| Termination | 3.0V† | |
| Operating Temperate | Charge | 0ºC to +45ºC |
| Discharge | -20ºC to +60ºC | |
| Storage | 1 month | -20ºC to +35ºC |
| 4 months | -20ºC to +25ºC | |
| Life Expectancy | Minimum ¥ | >300 cycles (80% rated capacity) |
| Typical | 500 cycles (see graph below) | |
| Notes: | ||
| † Charge termination and discharge termination required. | ||
| ‡ CC/CV charge 4.2V, 1C until current drops below 0.01C , rest for 1-2 hrs then CC discharge 0.2C to 3.0V (temperature 20±5ºC), may require up to 5 cycles. | ||
| ¥ CC/CV charge 4.2V, 1C until current drops below 0.01C , rest for 10 min. then CC discharge 1C to 3.0V, rest for 10 min and repeat cycle (temperature 20±5ºC). | ||
- Typical Charge Graph (Cell Capacity: 850mAh)
CC/CV Charge at 4.2V, 1C +25ºC
- Typical Discharge Graph
CC/CV Charge at 4.2V, 0.5C, +25ºC. CC Discharge to 3.0V, +25ºC.
- Typical Discharge Graph
CC/CV Charge at 4.2V, 0.5C, +25ºC. CC Discharge at 0.5C to 3.0V.
- Typical Cycle Graph
CC/CV Charge at 4.2V,1C, +25ºC. CC Discharge at 1C to 3.0V, +25ºC.
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