Sofirn 14500 900mAh (Black)



Official specifications:
  • Capacity: 900mAh (milliamp-hour)
  • Recharge up to 1100 times; Pre-Charged in factory
  • No memory effect - batteries can be recharged when fully, or partially discharged




A 14500 LiIon battery from Sofirn.











There is capacity difference between the two cells and they are not the rated 900mAh, the best one is more like 800mAh



















Conclusion

There is a significant capacity difference between the two cells, i.e. they cannot be used in series. Actual capacity is fairly normal for average quality batteries in this size.



Notes and links

How is the test done and how to read the charts
How is a protected LiIon battery constructed
More about button top and flat top batteries
Comparison to other LiIon batteries