APC Back-UPS CS 650

AdrianM - it should not affect your NAS in any way for normal operation. Several weeks ago, I shut down my backup NAS (NVX Pioneer) to clean it, and did not power it back up for several days. I was in and out over that weekend and opened and closed several files on my primary NAS (NVX Business Edition) and noted a few e-mails from one of my NAS units about the UPS, but did not overly concern myself. On Sunday evening, after everything settled down, I was responded to a post and opened RAIDar, and noted both the absence of my backup NAS and the icon for batter backup for my primary NAS was give an error message saying it was disconnected. I looked down at the front panel and all looked normal. I then realized that the two (missing NAS and UPS error message) were related, as the UPS is directly connected to the backup NAS and it passes the info to the primary. Rebooting the backup, cleared all the error messages.

If you still have you packet that came with the UPS handy, there should be a CD with an application called PowerChute. The latest version 3.01 for Win 7 and Vista is on their website (follow the hyperlink) and is a free download. It does have a diagnostic feature telling about battery status according to the info on the website. Since my APC UPS has a front LED panel with a lot of info including the battery status, I have never loaded it. I have two identical units, the first one now has replacement batteries (last year) and the other still has the original batteries after more than three years. If the diagnostics of PowerChute indicate true problems with the batteries, you may need to contact APC for replacements. Their batteries are for most units standard and can be acquired online or at a local full service battery store.