The charging light does not change color, it always stays red and you don't know when the charging is finished. Other than that, it's fine, but I gave it away for this reason because I forget it plugged in and it draws power for longer than I would leave it if it had a green indicator.

Safe charger, with independent charging slots. Relatively slow but satisfactory. Negative point, it does not stop charging automatically! You simply unplug it from the socket after a few hours.