I have unloaded both batteries outside the camera. At from 6.2 to 6.4 V is concluded then interrupts the built-in "Info-chip" the flow of current, even in a Tiefentladeschutz.Aufgeladen a Diggibuddy 5401, the charging voltage and charged in capacity is well simultaneously displays.
8,2 V: 1600 mAh
8.3 V 1690 mAh
8,4 V: 1790 mAh
After 1860 mAh or 1868 mAh charging is terminated.
Conclusion: No 2000 mAh as promised, but very close to the original.