topic battery backup issue in C Series

topic battery backup issue in C Series https://community.sony.bg/t5/c-series/battery-backup-issue/m-p/3617742#M7574 <P>my device doesn't give battery backup i want to repair  it</P> Wed, 15 Aug 2018 18:10:42 GMT vt8 2018-08-15T18:10:42Z battery backup issue https://community.sony.bg/t5/c-series/battery-backup-issue/m-p/3617742#M7574 <P>my device doesn't give battery backup i want to repair  it</P> Wed, 15 Aug 2018 18:10:42 GMT https://community.sony.bg/t5/c-series/battery-backup-issue/m-p/3617742#M7574 vt8 2018-08-15T18:10:42Z