Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: If i just have my cpap on the battery that uses 100-240V 50-60Hz and 90W 1.0 - 1.5A how long will it run for?
Document: All this does for us is periodically show a red light and turn everything off. We have 6 items plugged in. It started doing this within a few days of use.Yes, we have an old house and our wiring is not modern 200+ amp service (it's 100 amp), but this is useless to provide any reliable battery backup.Think twice if your house is not new or newly rewired.
I bought this desktop battery back up to replace an APC BE750G Back-UPS unit after the battery failed. In the past, I've always bought units with replaceable batteries but I have never been completely happy with the results (either the replacement batteries didn't last long or circuitry in the unit itself went bad- all this after the hassle & expense of the experience). I decided to buy this item basically for the cost of a replacement battery (+/- $45).
No warning beeps or anything indicated that there was a problem; everything seemed normal. I had to power each unit back on myself. I then used the TrippLite Power Alert Console software to check the status of each device. Both units indicated normal status with 100% battery remaining. The software's logs were void of any useful information pertaining to these events. Why did they just turn themselves off?Obviously, this problem is not limited to a single faulty device; both units failed in the same manor.
Set the value to 1 (even if it's already 1, overwrite it), then execute the command. After a second or two, the program will unfreeze, and it will be completely silent when it loses power from then on!
I went with Tripp Lite as they have been around for a very long time, and to me, the lower priced APC units jut don't cut it anymore for me. AMAZON was the best deal for this compact ups when you consider shipping costs. I used Super Saving shipping and it shipped for free - the final price you pay is what matters. And I received it quite fast. No complaints.
In the meantime, I bought a new computer.About a month and a half later (yes, it took a long time), I received a call from Tripp-Lite telling me they had approved my claim for the full amount. They said the old unit tested fine, but they were still going to pay based on my report. They simply asked for the receipt from my new computer. I faxed this to Tripp-Lite.
Just had my power trip and fry everything hooked up to it. And luckily, I can't seem to get ahold of the company through amazon where I purchased it because there's a battery in it, and they don't take returns on something with a battery in it. SO upset.
Shortly after buying this product it went into overload alarm so I reduced the load accordingly connecting only my Imac and Router. On several occasiongs my Imac has shut down unexpectedly which I have now confirmed as failure of the UPS, the UPS did not switch to Battery first.I have since bought a replacement UPS and have had no further problems.
I bought this UPS and only have an iMac plugged into it. Shortly after I bought (about a couple of months) this the overload light kept coming on and shutting down. The battery didn't even work like it was supposed to. The power goes out, and so does your computer. I would avoid this unit. Yes, it's cheaper than most but you get what you pay for. Actually, in my case less than what I paid for.
As with others who have had problems, the unit did not operate as expected - turning on an item that was not plugged into the Tripp Lite caused the unit to shut down completely and fail to provide battery power. It appears that the battery was defective or was not charging properly. My only explanation for the positive reviews on this site is that perhaps the Tripp Lite company has poor quality control and some units work and some don't.
Answer: Taken From the website, Half load runtime (minutes) 	11.3 minutes (90w)Of course, if you need your Cpap for life saving reasons, you might want to spend more money than $44 AND do regular maintenance and testing on the Ups.