recently with weak motor, not really useful, or just as a source of spare parts

I had the same toothbrush for some time now in daily use until after 1.5 - 2 years now the battery cover is broken. If you used fresh batteries regularly, the power / strength of the brush and the motor was always satisfactory.

Now the same toothbrush had to buy new because of the broken battery cover. And yes, the other recent reviews are correct, the new brush is so weak that a decent cleaning performance is no longer given.

I took over the battery cover of the new brush onto the brush predecessor, and disposed of the newly purchased part in the garbage.
Thus, I have acquired a fresh replacement brush head, 2 Duracellbatterien and a battery cover for manageable 8.99 euros.

For a decently functioning brush I would also like to pay more, but in the market no battery toothbrush with sufficient cleaning performance is apparently currently available. Too bad for those who do not want to take your battery-brush including charger when traveling.