Help Phone idle problem

[Android Question]

Hi guys
I want to talk to you for my big problem. I have a cubot rainbow an in tje begining it was great, I could go to sleep with wi-fi on gps on at 100 percent and woke up with 97-98 percent.But now i loss about 15-20 during night with gps off wi-fi off sync off battery saver on and airplane mode on.

Plz help me guys...

 

[lvt]

It could be some apps that you installed recently. With all sync and radio off, a smartphone shouldn't consume more than 2 or 3% of battery overnight.