Quote:
Originally Posted by Sirtel
No, it wouldn't. I used the Sage for several weeks without the cover, and I have used it without the cover recently as well. It never drains while sleeping.
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Seems they may have no power cover??

So they may not know...Same situation as you.Without power cover,the value of battery barely changes overnight or just 1-2%.
while using that cover,device keeps its battery but cover drains a lot,even 50%