N4200 Backup battery

brasstrumpet New Member Posts: 1	N4200 Backup battery Oct 3, 2010 3:51:02 GMT 7 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by brasstrumpet on Oct 3, 2010 3:51:02 GMT 7 Hello users, how can I control the backup battery placed in N4200.