XW7820G1 lithium ion button battery adopts lamination production process. Compared with traditional winding process button battery, lamination process button battery has the advantages of low internal resistance, good rate performance, high discharge platform voltage and long battery cycle life.
Basic parameters of battery
| Battery Parameters | Charging Specifications | Discharging Specifications |
|---|---|---|
| Model: XW7820R1 | Full Charge Voltage: 4.20V | Discharge Cut-off Voltage: 3.0V |
| Nominal Voltage: 3.7V | Nominal Charging Current: 3.25mA/0.5C | Nominal Discharging Current: 3.25mA/0.5C |
| Nominal Capacity: 6.5mAh | Maximum Charging Current: 6.5mA/1C | Maximum Discharging Current: 6.5mA/1C |
| Dimensions (mm): 7.8 (Diameter)*2.0 (Excluding Label) | Charging Temperature: 0℃ to +45℃ | Discharging Temperature: -20℃ to +60℃ |
| Weight: 0.3±0.1g |
Other Parameters
Chemical composition: LiCoO2
Cycle life 0.5C/0.5C:>2000
Internal resistance: ≤1800mΩ(1.8Ω)
Storage temperature: -20℃~40℃
Custom Structure: Yes
Product Feature
● High energy density
Specific energy density up to 556Wh/L
● Excellent fast charging ability
Support 5C fast charge, 12 minutes ≥80%
● Long cycle life
Cycle life up to 1000+ cycles
● Support personalized customization
Meet the diameter (≥7.8mm); height (≥1.5mm) demand customization and production of various shapes of button battery customization
● Wide temperature range
Can be used at-50 ℃~50 ℃ or-20 ℃~80 ℃
● Support high current discharge
10C discharge rate




