Review (5/5): Solid performance
Had Sonicare before and was not happy with results... got a bigger Oral-B center and I felt the difference. Then I bought this as a secondary charge and for travels. It holds the power easily for a week with twice a day use without need to recharge. I like it a lot and would recommend it to anyone.
One minor caveat: do not brush middle of the night close to your partner - it is lauder than you would expect :)