Morning Tom, thanks for the info!
The new charger is the ISDT C4 (Updated with the latest firmware, v1.1.0.13).
I will try 2200 / 1100 for the LADDA and 1500 / 750 for the Eneloops and keep an eye on things, is it the voltage that goes past the preset 1.65v if fully charged termination is missed?