Huawei P9 Lite Battery.

Hi everyone! I apologize if i post this in wrong place,but i have question to P9 Lite users (or generally to everyone).

I'm not very "techie", i bought Huawei P9 Lite like a week ago. So i'm trying to test it's battery. Official huawei says that on standby time,it can last up to 600 hours,which doesn't look too realistic to me,but anyway.here's my question. I left my phone on standby like for 21 hours (WiFi ON,whole time and had 2-3 calls for 2-3 minutes) and after 21 hours it dropped 10%....

Huawei P9 Lite Battery.

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