3.7V 55mAh button lithium polymer TWS battery pack (FLP-12540)
Battery Specifications:
| Cell | 3.7V 55mAh FLP-12540 |
| Norminal voltage | 3.7V |
| Nominal capacity | 55mAh |
| Charge method | CC/CV |
| Standard charge |
Constant charge current: 0.2C(11mA)
Constant charge voltage: 4.2V/Cell
|
| Over charge | Detecrtion voltage: 4.250±0.050V |
| Release voltage: 4.150±0.050V | |
| Detection delay time: 1.0：±0.5S | |
| Over discharge | Detection voltage: 2.75±0.08V |
| Release voltage: 3.00±0.10V | |
| Detetion delay time: 100±50mS | |
|
Over discharge current |
Over current: 500mA |
| Delay time: 12.0±5.0mS | |
| Max. continuous discharge current | 110mA |
| Discharge cut off voltage | 2.75V |
| Operating temperature | Charge: 0 ~ 45ºC |
| Discharge: -20 ~ 60ºC | |
|
Storge ambient temperature
(charge 40-60%)
|
-20~60ºC less than 30 days |
| -20~45ºC less than 90 days; | |
| 20~20ºC less than 360 days | |
| Battery dimensions（Dia*H） | Max. 12.3mm * 6.0mm |
| Weight | Approx. 2.0g |
