19 of 20 people found the following review helpful:
4.0 out of 5 stars
Works okay. Battery life a bit shortlived though., May 18, 2006
This review is from: Cyberpower CPS425SL UPS - 425VA/230W 6-Outlet RJ11 Compact Design EMI/RFI USB/Serial (Electronics)
Got one at staples and plugged it in for a day and forgot about it.
So when I finally attached something to it, it was a week later.
A week of getting charged up.
Used it only for my pc and a 19 inch Dell LCD.
Loaded the cyberpower software, attached the usb cable between pc and usb.
Pulled the power cord from the outlet, to simulate a power outage.
The battery life quickly dropped from 100% and 30 minutes of power, down to about 80% and 11 minutes of power.
Auto-shutdown timer was set to 4 minutes until shutdown.
About 2 minutes into the outage, the battery was at 60% capacity and there was about 7 minutes of power left.
Then my pc went into auto hibernation.
Withthe side cover off, I saw my cpu fan stop turning. It appeared to be powered off.
I re-attached the power cord into 110 volts and pushed the power button, to get out of hibernation and back to using the pc again.
In a few seconds, I was at the log-in screen.
Pro's: it was on sale, about $20.
provides line power filtering
provides "JUST ENOUGH" power to get me to a safe power down, so I don't lose my work.
the auto-shutdown via the USB cable appears to work great.
Con's: Battery life is GREATLY optimisic on the outside of the item's box. The "Typical runtime" for pc and lcd monitor is listed at 23 minutes. My battery life was dropping quickly; much faster than 23 minutes.
UPS software is simplistic, but I could NOT find anywhere to change the shutdown time. I would like it to shutdown in just 2 minutes vs 4 minutes. No where do I find any options other than 4 minutes.
I consider this a glorified surge protector. As long as the line power is cleaned up and I avoid occasional power sags, I'm happy. Those little, short lived sags that knock a pc offline is what hurts. This unit should suffice to prevent such happenings.
I bought based on price.
If price were not a consideration, I'd go with at least a 1000va. That way I'd have more time to stay up and running, in event of a power outage.
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5 of 5 people found the following review helpful:
1.0 out of 5 stars
Don't waste your time, July 29, 2008
This review is from: Cyberpower CPS425SL UPS - 425VA/230W 6-Outlet RJ11 Compact Design EMI/RFI USB/Serial (Electronics)
I purchased the 425VA unit because it was on sale. Guess what? It was a big mistake. The unit worked initially but I didn't test it as often as I should have. Now the unit is about 1 year old and it does not provide any battery back-up. I know because we had a power failure and I lost my work. Replacement batteries would cost about $[...] but I'm tossing this unit in the garbage and starting over with a quality brand such as APC.
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2 of 2 people found the following review helpful:
5.0 out of 5 stars
It Works Good!, February 8, 2009
This review is from: Cyberpower CPS425SL UPS - 425VA/230W 6-Outlet RJ11 Compact Design EMI/RFI USB/Serial (Electronics)
I bought one of these November 2005 (3 years 2 months ago) & used it to power my cable modem, wireless adapter, a Vonage adapter, an 8 port switch, a cordless phone base station, & my alarm clock. Over the years, I've experienced several power failures, the longest being about two hours & it carried the load thru all of them. Admitedly my load is light, but it's all stuff I don't want to go bye-bye in a power failure. The unit just failed totally, no lights, no electricity out ups outlets, circuit breaker not popped, & no power failure. I oppened it up & the fuse was still ok, but the battery voltage was zero. Nothing looked obviously fried & their was no burnt smell. So it just scraped past it's 3 year warranty. I feel like I got value for my money & it fits in my 3 1/2" deep media closet. I'm buying another right now.
p.s. anybody that expects this to run a computer & monitor for very long needs to have a very unpowerful computer & a smallish lcd monitor.
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