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I needed to replace a 10 yo PC I built myself. I was looking for something that I could play iracing, msfs and a few other games. This thing is great.

Operated exactly as advertised. This review unit arrived with excellent timing. The day after I installed it the power here went out for over an hour with several outages the following week! Not only did the BU 600 keep my cable modem, gigabit switch and a high end router running without missing a beat, I was even able to keep my phone charging. Estimated run time with the new battery and minimalist load was 3 hours+. Of course age reduces the battery capacity, but if you use this product in your server room, it will keep your web connections and routers running like nothing happened for at least 60+ minutes Management software is a free download. The unit was detected on my win7/64 laptop USB and windows drivers installed, and then I installed the APC software. No eyebrow raisers there. Wall mounting holes a nice touch. USB charge port @ 1.5amps shows engineers are listening to customers. I'm seeing this all over the business lately. I just bought a nice desk lamp that has a USB charge port on it.

Easy to set up and use.

-Way smaller than I expected -Very quiet -Screen is bright and I like the different information you can display like run-time and watt usage -Fit and finish are great I actually prefer this design to the newer editions from APC -1103 Joule surge rating is a great bonus -Mine was made/tested 3/25/18 so its a new unit, which is great because I know I got a fresh battery. (not something that is really guaranteed when you buy a product that has been out for awhile)

I bought this unit to replace an older CyberPower 600w unit I had bought from Newegg in July of 2010 to protect my TV and other equipment (computer is on another unit). The primary reason I did was because the old one, which was a nasty square wave unit, would cause my components to emit a "buzz", and I do believe that it damaged some of my equipment (which the manufacturer replaced, not CyberPower). Anyway these units were not out then and the only solution was an expensive APC or TrippLite unit. But fast forward to now and CyberPower has these "Pure Sine Wave" (actually Adaptive Sine Wave, a sawtooth or triangle waveform, not sine) for a good price, so I decided now was a good time to replace both units (see my CyberPower 810w Pure Sine Wave UPS review later in the week). First thing I did was plug in my radio and DVR, both of which on my old CP unit would emit a bad buzz and the front displays would slowly pulse bright and dim, and run it on battery power. No buzz, no pulsing display. Battery run time seems to be about right, ~30 minutes on a 90w load (tested, ~75w load which is my TV at 0% backlight and satellite receiver, simulating a power outage during a thunderstorm so I can watch the weather). The display is also much improved on this version, a nice white on black as opposed to a blue on blue, much more readable. Also it has the ability to always have the LCD display on (using a P3 Kill-A-Watt using the LCD display uses 1w of power).

its made to do what its made to do, as soon as my city grid loses power, this back up kicks in allowing me enough time, more than enough time, to safely shut down the computer w/o losing any data

Able to run my gaming computer at max potential with my monitor for 3 minutes or more, enough to withstand a electric blink.

Pros: * form factor allows under table mounting of UPS with great access to outlets and on/off switch * the CPS USB controls available via USB interface works with many devices out of the box without additional software * wide variety of Windows/MacOS/Linux hosts supported, most commercial NAS devices (QNAP, Synology), even a Raspberry Pi 3 or 4!

Software is nice, you can daisy chain it from the main server with usb/serial to all of the computers through lan to all shut down together. Also a nice testing feature on the browser page to test the unit and make sure it does work in a real world test situation.

I work in music recording/mixing studio environments and am extremely fussy about equipment that generates noise. I'm pleased to say that after several months of continuous use, this Li-Ion APC rack unit met and possibly exceeded expectations. When in ideal conditions, the unit is literally silent. No fan noise, no hum, no buzz. The only time noise has been observed is either when the unit is charging (due to a power failure) where very minimal self-noise is inevitable, or in an under-voltage condition (117V or under) where the internal circuitry activates in order to boost the output voltage. In comparison to APC's own legacy units (ie: 2U 750VA-1500VA lead acid monsters) which I have been using for over 15 years - they had frequent noticeable cooling fan noise, and could produce undesirable self-noise when approaching maximum load. And anecdotally, I have had one or two units fail over the years and drop the load.

mounted to the wall easily. everything works as expected

Front LCD display, # outlets

I've read all the previous comments and when the APC arrived I was a little concerned regarding noise. Well after three months, I can hear nothing and the PAC sits about two feet away. The mfgr date was FEb/18 so that may help. The system has operated exactly as advertised and was super easy to install and use. It has been quietly doing its job since I got it and even though I have had 3 "Events" I did not know it until I looked at the display.

Good runtime for the price. Nice LCD display info. It works!

After a lot of research, decided on this for an ESXi host. First off, THANK YOU to CyberPower for making a ridiculously easy to use virtual appliance that can be loaded right in to ESXi. Did not feel like dealing with command line to safely shut down VMs during power failure. Email notifications and level of configuration for the virtual appliance made this a no brainer. This unit seems to be at the high end of the sweet-spot for capacity, price, physical size, and features.

Haven't had this for very long but so far it works great. In Florida we are the lightning capitol of the world, and this is almost mandatory if you spend any time at all on the computer. We get frequent power interruptions that last anywhere from a few minutes to hours and this can save a lot of work from being lost.

What a great Battery Backup. This is the one you want to buy.

Has a wealth of information on the display. I always have my display set to minutes remaining. My computer, 5.1 speakers and two monitors are connected to it and the total battery time says about 15 minutes. My computer is an LGA 1151 based with an Antec 750 Gold and a GTX 1050TI.