7.4V 4400mAh 18650 Li- ion battery pack
Battery Specifications:
| Cell | 3.7V 2200mAh FLC-18650-2200 Li-ion battery |
| Model | 2S2P of FLC-18650-2200 |
| Norminal voltage | 7.4V |
| Nominal capacity | 4400mAh |
| Charge method | CC/CV |
| Standard charge |
Constant charge current: 0.2C(880mA)
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: 3-5A |
| Delay time: 10.0±5.0mS | |
| Max. continuous discharge current | 4400mA |
| 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（T*W*L） | 18.5mm *37mm* 67.2mm |
| Weight | Approx. 190.0g |
