Tagged Questions
3
votes
2answers
1k views
Change the UPS battery while it's powered on?
Is it dangerous or not advisable to change the UPS battery while it is plugged in? We have an APC Smart-UPS 1500 and we need to replace its battery. I have the new battery but the UPS powers a few ...
0
votes
2answers
93 views
ups to give few minutes for about 20 PCs and 10 Printers
We've a problem in the electricity current for three months right now,
I was tasked to get the best solution, and it should be cost effective also, for allowing our application users to save and ...
0
votes
2answers
83 views
Battery backup for Workstation & Printer
I have been tasked with finding a price for a battery backup solution for our printers.
Each printer is listed at 240v 24a <5.5kW and each workstation is using a 500w power supply.
We are ...
4
votes
3answers
2k views
What purpose does the battery serve on a battery-backed caching RAID controller if the server is on an uninterruptible power supply?
Is the battery redundant if the server is on a properly-sized UPS? There is an option to force write-back mode and I want to understand the risk. It is my understanding that it helps against power ...
1
vote
3answers
226 views
how do I properly measure capacity of a UPS battery?
How can I properly measure the capacity of a UPS battery? Unplugging it from the wall is a bad idea since it loses the ground, so how can this be done?
3
votes
3answers
192 views
Buying a Refurbished UPS?
I have a 10 year old APC Smart-UPS XL with battery pack, and need new batteries. Looks like I'll be spending $500-700 in batteries.
While shopping around, I noticed a few places selling refurbished ...
4
votes
3answers
277 views
Considerations when buying a UPS Replacement Battery
According to a couple of my Smart UPS 3000s (Model DLA3000RM2U), it is time to replace the battery.
Other than making sure I get the right battery for the particular model, are there any other things ...
11
votes
11answers
16k views
What is the lifespan of an typical UPS battery?
When using a uninterruptible power supply how long does it preserve the original capacity? Say I buy a UPS that holds the necessary load for 10 minutes - I don't want it to unexpectedly come into ...
