Upgrading from Ni-Cd Batteries to Ni-MH

We often get asked if it is safe to replace original Ni-Cd batteries (also labelled Ni-Cad or NiCd) with the newer, higher capacity Ni-MH (also labelled NiMH) types as an upgrade. This can often yield significantly longer run times for older Braun Oral-B toothbrushes which were previously fitted with Ni-Cd batteries such as the Vitality, […]