[L521] If I switch my battery with a new one will it be like brand new?

[Windows Central Question]

i want a new battery for my nokia lumia 521 and i wanted to know if i put a brand new one in if it wounld be like i just got it

 

[Guytronic]

Do you mean:
Will changing the battery reset the phone?
...or
Will the phone work and function like new?

In any case a new battery could solve a few problems.

 

[Cramarc]

I think you mean the battery life, well if your previous battery has degraded, then yes.