<div dir="ltr">Bob, there are a lot of UPSs that you can add external batteries to. Usually they are more expensive models though. You generally have to buy their model/brand of battery though. There are also a lot of UPSs that allow you to switch from mains to battery without loss of power. A Liebert I had actually had the power input/output as a module, so you can take the whole UPS out (leaving just the module and running off mains) without disrupting power, assuming nothing happens to your mains. If you mean one that you can also attach a car battery, phone battery, or some rechargeable AA's you have laying around, etc. then I have never heard of that.</div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Apr 30, 2013 at 9:26 AM, Bob Kline <span dir="ltr"><<a href="mailto:bob.kline@gmail.com" target="_blank">bob.kline@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">To the point, has anyone seen a UPS<div>unit with a set of external terminals that</div><div>one can use to attach their own batteries?</div><div><br></div><div>Say an inverter with the ability to switch</div>
<div>between mains electricity and the battery?</div><span class="HOEnZb"><font color="#888888"><div><br></div><div> -- Bob</div><div><br></div><div><br></div></font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra">
<br><br><div class="gmail_quote">On Tue, Apr 30, 2013 at 5:20 AM, Ron Lauzon <span dir="ltr"><<a href="mailto:rlauzon@gmail.com" target="_blank">rlauzon@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">The last time I had a UPS blow, I found that, for the consumer-grade UPSs, 99% of the cost of the UPS was the battery. So it was simply cheaper to get a new UPS.<div>
Repairing the old UPS was actually more expensive.</div>
<div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Apr 29, 2013 at 11:42 PM, <span dir="ltr"><<a href="mailto:scott.tanner@comcast.net" target="_blank">scott.tanner@comcast.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-size:12pt;font-family:Arial">Can anyone recommend a local company to repair a failed APC UPS? I had one die last weekend and its currently only used in my personal test network at work, so its not likely to get replaced. The batteries are fine, so its probably a more serious issue.<br>
<br><br><br>Thanks,<br>Scott<br></div></div><br>_______________________________________________<br>
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