12-30-2009, 05:12 PM #1
Best battery back-up for iMac G5???
- Member Since
- Dec 30, 2009
I need to get a battery back-up for my iMac G5 24" LCD. What I need it most for is CLEAN power as our small Alaskan town power generation is pretty dirty. I've been looking at:
APC Back-UPS RS 800VA - UPS - 800 VA - UPS battery - lead acid (BR800BLK)
CyberPower CP1000AVRLCD 9-Outlet Intelligent LCD UPS (1000VA/600W)
In reading reviews folks don't seem to feel that most (all?) battery back-up systems are as compatible with Macs as they are with PCs. Any recommendations for the iMac for good, clean power?
01-02-2010, 10:30 PM #2
- Member Since
- Jan 02, 2010
If you have dirty power problems and the power is not too reliable where you live, be careful buying the standby APC unit or the Cyberpower unit. The cheap units are good where there is pretty steady power and not too much fluctuation. If you have situations where the power needs to be filtered, you need to go with a Smart UPS (line interactive) model. The problem is that the standby units or the cheap line interactive units don't do much in the way of filtering, they'll provide you raw back up power but that's it. Also, Mac power supplies are pretty finicky and they like to have a sine wave, rather than the simulated wave both those units offer.
I would recommend going with something like a APC Smart UPS 1000. This particular model is a line interactive unit. It has AVR Boost/Drop, power filtering, and about 20 minutes at 350W of load. The Smart UPS 1000 is an industrial unit, this type is used in data centers to protect servers. They're a bit more pricey but they are a completely different UPS and offer much better protection. We use several of them at the office on all our machines.
Stay away from the cheap crappy stuff, it's not worth it and needs to be replaced often.
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