<p dir="ltr">Some of the larger APC smartups have a two pole connector for adding additional battery modules.</p>
<p dir="ltr">Or just extend the wires from the internal battery. You'll probably need an external charger, since the UPS's own charger will not have enough capacity for a larger battery.</p>
<p dir="ltr">Also note that many units are underbuilt and will not supply rated power continuously. The manufacturer assumes the unit will only have to deliver rated power until the small battery is depleted, then the unit will have time to cool off.</p>
<p dir="ltr">Inverters with a built in transfer switch and high wattage output are common in the RV industry. They deliver excellent power quality but are expensive. Some may not switch fast enough to prevent a reboot.</p>
<p dir="ltr">Mark</p>
<div class="gmail_quote">On Apr 30, 2013 9:27 AM, "Bob Kline" <<a href="mailto:bob.kline@gmail.com">bob.kline@gmail.com</a>> wrote:<br type="attribution"><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><div><br></div><div> -- Bob</div><div><br></div><div><br></div></div><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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