UPS battery capacity PC calculation HELP!

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Imz Deodex

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Oct 15, 2014
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Hello I want to ask for help about the exact time and power consumption this UPS can handle from APC: http://www.apc.com/shop/ph/en/products/APC-Back-UPS-1100VA-230V-AVR-Universal-and-IEC-Sockets/P-BX1100LI-MS

my specs: intel core i7 3770k [stock]
Asus Strix Gtx 960 4gb
Msi Z77mag45
1tb Seagate 7200rpm hdd
x4 120mm case fans
600 watts thermal take PSU.
8GB Kingston fury X ddr3 ram 1600 mhz

The UPS has a maximum of 550watts though if my estimation is correct on full load, My PC should only consume 350 watts max. Now I am no expert but I need someone to look into this about the power spikes and the wasted electricity stuff to make sure if this UPS can handle my system while gaming say Crysis 3 and giving me enough time to properly shut down? it takes roughly 40 seconds MAX for me to exit a game depending on which game.

I do not want to buy those cheap UPS only to regret it later.

Additional notes: This is the battery that comes with the UPS: http://www.apc.com/shop/ph/en/products/APC-Replacement-Battery-Cartridge-17/P-RBC17

and this is my power supply: http://www.thermaltake.com/products-model.aspx?id=C_00001858

The APC UPS website claims that this product has Battery Volt-Amp-Hour Capacity of 96 [not sure what the hell this means] but I made a rough calculation that my PC consumes 30 amps? this is in 220 volts btw

thanks :/ hoping for a reply soon
 
Solution
V
The UPS is fine for what you need.
Get a decent surge protected power board to protect the UPS if you don't already have one.
The UPS should filter the power, so it's not so important that the power board does this too.
Consider a new power supply. You don't want to buy a UPS only to have your components damaged by a dodgy power supply.
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VincentP

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Oct 18, 2013
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Your PSU is not 80 plus rated, so let's guess 65% efficency.
Assume your monitor draws another 50W.
I would estimate draw on the PSU at about 240W max.
This would put draw on the UPS at around 420W.
With active PFC, the power factor is close to 1, so that is around 420 VA as well.
This would give you around 13 minutes uptime.

Before getting a UPS, I'd look at a decent power supply.
The uptime will improve even without a UPS, as will efficiency.
Look at something from tier 1 or 2 from this list:
http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html

Some suggestions:
Seagate S12-II 430
Antec HCG 520
Rosewill Capstone 450 (some of the models other than capstone are not as good)
XFX TS 550
 
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Imz Deodex

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Oct 15, 2014
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I have a different UPS separate for my monitor that should offset some 50 watts on the APC UPS? all I need is to bloody exit the game in less than 50 seconds >_< and then shut down

my current ups is only like 325 watts and it overloads while gaming
 
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VincentP

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Oct 18, 2013
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The UPS is fine for what you need.
Get a decent surge protected power board to protect the UPS if you don't already have one.
The UPS should filter the power, so it's not so important that the power board does this too.
Consider a new power supply. You don't want to buy a UPS only to have your components damaged by a dodgy power supply.
 
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Solution
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Imz Deodex

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Oct 15, 2014
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yeah I will but I think this PSU is fine though compared to the more crappy one that my cousin got months ago like the corsair VS-650M whatever the hell that is that crapped out in 2 months. But anyway the UPS should handle this set up correct? my current one overloads during power interruptions while gaming
 
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VincentP

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Oct 18, 2013
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People often make the mistake of reading the VA rating of a UPS without checking the watt rating.
Yes, Corsair VS series are not good (tier 4 on the list I linked earlier).
This UPS should be good.
 
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Imz Deodex

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Oct 15, 2014
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what a relief. The reason why my current UPS is now overloading is because I upgraded from a GT 630 XD hehe and yeah kinda fapped my UPS to hell with this new gpu
 
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