WhatsApp usage drains battery

[Anand Ramabhadran]

Im getting only 2 to 3 hrs f battery during continuous WhatsApp usage on ma L620! Is this normal?? Or does my battery have any complaint?? How is it for you guys?
Over 2G network !

 

[bionicgt]

I have a Lumia 625 and it doesn't drain my battery this fast

 

[Anand Ramabhadran]

We have same battery i guess... Ryt?

 

[Clue Less Emjey]

Well, Same here, I guess, too many times closing and opening up the whatsapp does consume battery on ma 520