https://community.sony.it/t5/z-series/sony-z-battery-changed/m-p/3631377#M121322 <P>I changed my sony z1 battery at sony shop and it gives me only 4 hours screen on time.. Do I have to go to replace it again...there are 14 days warranty.</P> Sat, 31 Aug 2019 03:44:34 GMT BoNy2019 2019-08-31T03:44:34Z https://community.sony.it/t5/z-series/sony-z-battery-changed/m-p/3631377#M121322 <P>I changed my sony z1 battery at sony shop and it gives me only 4 hours screen on time.. Do I have to go to replace it again...there are 14 days warranty.</P> Sat, 31 Aug 2019 03:44:34 GMT https://community.sony.it/t5/z-series/sony-z-battery-changed/m-p/3631377#M121322 BoNy2019 2019-08-31T03:44:34Z https://community.sony.it/t5/z-series/sony-z-battery-changed/m-p/3631378#M121323 <P>Any help?</P> Tue, 03 Sep 2019 10:23:14 GMT https://community.sony.it/t5/z-series/sony-z-battery-changed/m-p/3631378#M121323 BoNy2020 2019-09-03T10:23:14Z