written by Seal on 27/07/2006
The Philips Sonicare Advance HX4571 electric toothbrush works well for a couple of years.
The battery is non-replaceable and lasts about 2 to 3 years only. Then it's an expensive new handle to get it going again. Surprising really, since when I opened my non-functioning handle up, all I found were a couple of AA Ni-CAD rechargeable batteries, worth about £3 soldered into the circuit board. So I replaced them, and now it's working again. To open, use a small saw down the seams. Reseal it with good quality silicon sealant. Don't do this unless you are competent with a soldering iron. If you feel you are not competent, then don't buy one of these toothbrushes.
Connector's Response to Seal's Review
Written on: 02/08/2008
after about 18-24 months of use my toothbrush would be difficult to start or remain running for more than a few seconds. I will take the reviewers advice and swap the battery (I'm an engineer).Who thought that I'd end up repairing toothbrushes? I consider the sonicare range overcomplex and overpriced-amen.