Well, after about 1 week struggling with the Blackberry Battery, I managed to get a simple setup to recharge them. The problem was to make a proper contact. I used my breadboard and bent a few wires to get a good contact.
Charger: RC-1AU-120
Charge Setting: 1
Battery type: Blackberry battery, Lithium-ion, BAT-06860-001, --- mAh
ID: BB-0001
Voltage: 3.7v
Battery State: Discared old batteries, 2.57v.
Charge Cycle 1
Starting time: July 27 - 17:00
Starting Voltage: 2.57v
End Time: July 27 - not available.
Ending Voltage: 4.28v
Total charge time: 5h00