[Q] does battery come under warranty?

[sonyx10mini]

please help me i noticed under an week ago dat my battery in my phon drain to fast for a newly phone.Can i get a replacement battery if the phone is sitll under warranty? .Sorry if am being a nob

 

[Mad VIbes]

Yes it does once the date has not pass your fine but you shall wait a bit longer to decide for sure about the battery and also you should let your battery drain to zero and then give it a full charge if you haven't as yet.Not really being a noob, kind of xD