Ring video doorbell 2 Battery-power

We bought the ring video doorbell 2 in Costco for Jun 2020,but the battery draining quickly recently,we no high number of events in front door,that same as before.In the old days,we need recharged it every fortnight,but now,we need recharge it every 2-3 days.Could you please resend a new Quick Release Battery Pack to me? as the video doorbell still in limited warranty right now.Pls. let me know, if you have more informations.thanks a lot.