pecifications:
1.Model:   INR18650    25R    3.7V/2500mAh
2.Max. continuous discharge current: 30A
3.Nominal capacity: 2500 mAh
4.Nominal voltage: 3.7 V
5.Discharge end voltage: 2.5 V
6.Charging voltage: 4.20 +/- 0.05 V.

This is clone