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Question Need help finding a safe, non-burning, non-exploding UPS, and one that is not from Cyberpower brand?

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catboy

Member
I used to use a Cyberpower UPS. It worked great for a couple of years, until the battery permanently lost its charge and was unable to hold a charge any more.

As soon as that happened, the UPS shut down and also immediately cut power to everything connected to it, including my PC.

I tried to turn the UPS back on, and then restart my PC.

After a few minutes, the same disaster happened again. Then I tried a couple of more times, and it kept happening after every 2 minutes or so.

After that, I stopped using that UPS and later called Cyberpower tech support.

They told me that the unit is designed to cut off the power to everything once the battery can no longer hold its charge....which to me, is absolutely ludicrous, because that causes a catastrophic failure which is just as bad as if I had no UPS at all!

In other words, this design fubar in the Cyberpower UPS causes the very problem to occur which I bought the UPS in order to permanently avoid in the first place!

I ended up buying a brand new battery for that UPS. After I installed it, the unit failed to function at all any more, other than to give me an error code that indicates a permanent hardware defect.

So all of that horrible experience led to me to realize that I need to switch off of using the Cyberpower brand, and to another brand that makes units which will not cut the power to the UPS and everything connected to it just because the battery can't hold its charge any more.

I considered switching to APC. I called their tech support and asked if their units do that. They told me that no, they do not.

However, then I ran into another problem: when I read reviews on Amazon for all the comparable UPS units from APC to what I previously used, they all have tons of user complaints, saying how their APC units either fried and/or exploded and/or melted and/or caused some fires.

So now I feel stuck between a rock and hard place: I don't know what product I can buy that both:

a) won't cause me the same problems I had with my Cyberpower unit and also

b) won't cause me the fire/explosion/melting/burning problems that APC units are known to have.

The Cyberpower unit I had was a CP1500PFC LCD.

Can any of you please recommend me another unit from a different company that has comparable features, and that meets the two criteria I just listed?

Or failing that, could you please point to me another forum where they have super hardcore expertise about electronics and hence would be able to advise me on these matters?

Thank you.
 
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@catboy . Was this auto-shutoff occurring when the AC was plugged in and "power on" clearly verified, like with a light bulb in the same outlet?


I find it hard to believe that Cyberpower would invest that money into making a UPS complicated. The LCD screen is already enough to charge a markup. Plus the instructions do not state a smart battery charge detection-and-shutoff feature exists.

I suspect your power is flaky at night and thus it drops for a second or so. That's all that is necessary for a unit with a dead battery to cause a shut off because there is physically no power in the inverter and battery circuit to operate.

And even if this is the case, why did you not replace the battery when it already indicated it needed replacement with the first shutoff? It's not like the laws of physics can be defied.
 
I had the same problem with my Cyberpower, ended up chucking it. The 5SC1500 (sinewave model) is a much nicer unit, but rather loud even without load. Shame they try to charge $200 for replacement batteries...
 
It is not a bad design, it is better to know the battery won't hold charge anymore. That way you replace the batteries and it will work when you need it to work.
Do your car's airbags deploy after 10 years, just as an indicator that they "need to be replaced"?
 
A better approach is to simply beep with a warning if there is an issue with battery, then it gives you a chance to schedule a reboot to change the battery. But it does seem most will shut off.

My server's UPS will thankfully not do any of that, it stays running even with both battery banks disconnected though I avoid doing that to be safe.
 
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