E5 battery drain with no usage

Hi, I have a new e5. The battery drain over night ( over night= no usage ) is bad. Even with power saver mode on over night drain is about minimum 2 bars. Also unplug charger warning shows again long after charger has been disconnected. Any solutions guys?

see if this solves your problem
/t5/Eseries-and-Communicators/E5-WIFI-PROBLEM/td-p/1101101

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