SRSemenza said:
Hmmmm, have you tried swapping the batteries between the new and old? The C18 and T18 should be the same.
Actually, according to the festool.de website, they are
not:
C18
Bohrdurchmesser Holz/Stahl
40/13 mm
Drehmomenteinstellung 1./2. Gang 0.8 - 8/0.5 - 6 Nm
Max. Drehmoment Holz/Stahl
27/45 Nm
T18
Bohrdurchmesser Holz/Stahl
45/13 mm
Drehmomenteinstellung 1./2. Gang 0.8 - 8/0.5 - 6 Nm
Max. Drehmoment Holz/Stahl
35/50 Nm