I received this charger yesterday. At night, I shut off my phone and placed it on the charger. The phone charged overnight. However, the white light on the charger stayed on the whole time. The phone probably only needed 3 or 4 hrs of charging as it wasn't even half drained. Does the Nokia charger only shut off if the phone is on so it can get feedback? I figured it's best to leave the phone off because it stays cool and it's good to reboot periodically.
Hope I'm not killing the battery overcharging.
Hope I'm not killing the battery overcharging.