What I find a bit inconvenient is that the connector integrated into the device: it needs a lot of space on a power strip. Left and right of the device, the slots can not be occupied. Solution: short extension cable or free socket on the wall. The display window is also very scratch-sensitive (simple plastic) and very bright when it lights up when charging (may disturb at night in the room one already - but you can then also cover the display). Therefore, only 4 instead of 5 stars. Otherwise, a good device that I can recommend.
About his life I can not say anything yet, because only bought 2 months ago. I had 2 Ansmann ACS 410 traveler - after 2 to 3 years, they already limp (the first was easily replaced by Ansmann - small apology gift, exemplary After the second I have now opted for the Photo Cam 4) ...