So the battery back-up I purchased in June 2010 started beeping today to let me know I needed to replace the battery. It's a APC Back-UPS RS 800.
I previously bought a APC Back-UPS 600 while it was on sale at Staples, thinking it would be good to have a backup and/or something to hook up for when I moved some of my equipment from the living room to the bedroom.
Trouble is, my computer has a 600W power supply, the RS 800 tech specs list 540W, and the 600 lists only 360W.

I don't know how much load my computer puts on the UPS while running high-end games or software and I admit I'm not all that familiar with the wattage/voltage/amperage side of computers (other than knowing I needed a 600W power supply for my gaming rig when I updated).
I looked on Amazon and the APC BR1000G, which will support 600W, is listed at $118.99 shipped.
I then shopped around for replacement batteries for my RS 800 and it looks like they'll run ~$70.
I'm not too keen on dropping any more money than I need to to get my computer on a safe UPS that will safely keep it on battery backup in case of a brownout or blackout, even if I'm putting some stress on the system at the time.
So what do the experts among you recommend? Will the 600 suffice? (I'm assuming not.) Are there cheaper solutions I may have overlooked?
EDIT: This is the unit I'm leaning toward: CyberPower BRG1000AVRLCD UPS 1000VA/600W 10 Outlets AVR LCD USB Ports Mini Tower
I previously bought a APC Back-UPS 600 while it was on sale at Staples, thinking it would be good to have a backup and/or something to hook up for when I moved some of my equipment from the living room to the bedroom.
Trouble is, my computer has a 600W power supply, the RS 800 tech specs list 540W, and the 600 lists only 360W.

I don't know how much load my computer puts on the UPS while running high-end games or software and I admit I'm not all that familiar with the wattage/voltage/amperage side of computers (other than knowing I needed a 600W power supply for my gaming rig when I updated).
I looked on Amazon and the APC BR1000G, which will support 600W, is listed at $118.99 shipped.
I then shopped around for replacement batteries for my RS 800 and it looks like they'll run ~$70.
I'm not too keen on dropping any more money than I need to to get my computer on a safe UPS that will safely keep it on battery backup in case of a brownout or blackout, even if I'm putting some stress on the system at the time.
So what do the experts among you recommend? Will the 600 suffice? (I'm assuming not.) Are there cheaper solutions I may have overlooked?
EDIT: This is the unit I'm leaning toward: CyberPower BRG1000AVRLCD UPS 1000VA/600W 10 Outlets AVR LCD USB Ports Mini Tower
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