I've assumed that the pressure of the pressure was low, but that is not true!
A glance at the device specification and it consulted conversion table certify the Panasonic whopping 6 bar!
This is a pressure which is respectable.
Furthermore, you can (even) change Aukkus (leave). This is easily possible because only two bolts have to be solved on the ground!
Thus, it would also be possible that the current weak batteries should be high-performance batteries to use (here but please ask a professional!)
CONCLUSION:
+ Big POWER
+ Removable BATTERIES
+ Travel friendly dimensions
+ Adapts to the voltages of the respective country
I can not write anything about a decrease in performance, certainly this observation is true, since 6 of the pump constitutes a bar erhöten energy demand.
And one more thing for the Sauerstoffverwirbelungsgeschichte of ORAL B and consorts: the Panasonic has these modes, according to the selected mode, the pressure is increased and the air intake is reduced in water. That's it :-)