APC BR900 Back-UPS 900VA

Average customer rating: 3.5

Hate the beep
Louder than my refrigerator
Frequent Power Outages Are No Longer A Problem
Works fine, needs better MacOS control software

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APC BR900 Back-UPS 900VA

Manufacturer: APC
Product Group: CE
Binding: Electronics
ASIN: B000BFYCUS

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Product Description

APC Back-UPS RS / 900VA, 540 Watts / Input: 120V / Output: 120V / Interface Port: USB / Runs computer during power failure Automatic restart of loads after UPS shutdown Automatic self-test Battery replacement without tools Battery-protected and surge-only outlets Boost and Trim Automatic Voltage Regulation (AVR) Cold-start capable Dataline Surge Protection Hot-swappable batteries Intelligent battery management LED status indicators APC Lifetime data recovery warranty Multiple mounting methods Power conditioning Resettable circuit breakers Safety-agency approved Serial Connectivity Transformer-block spaced outlets USB connectivity User-replaceable batteries Output Power Capacity - 540 Watts / 900 VA Max Configurable Power - 540 Watts / 900 VA Nominal Output Voltage - 120V Output Connections - 3 NEMA 5-15R (Surge Protection), 4 NEMA 5-15R (Battery Backup) Nominal Input Voltage - 120V Input Frequency - 47 - 63 Hz Input Connections - NEMA 5-15P Cord Length - 6 feet (1.83 meters) Input voltage range for main operations - 88 - 139V Input voltage adjustable range for mains operation - 78 - 152V Battery Type - Maintenance-free sealed Lead-Acid battery with suspended electrolyte, leakproof 1 Included Battery Modules Typical recharge time - 8 hours Replacement battery cartridge - RBC32 1 RBC Quantity Typical Backup Time at Half Load 17.6 minutes (270 Watts) Typical Backup Time at Full Load 5.3 minutes (540 Watts) Dimensions - Height 9.00 inches (229 mm) x Width x 4.00 inches (102 mm) x Depth 12.75 inches (324 mm) Weight - 20.50 pounds (9.32 kg)

Customer Reviews:

Hate the beep.......2007-05-16

Fine item for the price. All my APC stuff has performed well, but I hate the beeping they make when the power is off, and there seems to be no way of turning it off short of opening the case and removing the speaker.

Louder than my refrigerator.......2007-04-17

My computer is located near the TV just off the kitchen. The noise produced was quite unacceptable. The fan apparatus was louder than my refrigerator and ran constantly!

After a little over a week, I packed it up and returned it.

Frequent Power Outages Are No Longer A Problem.......2007-01-03

The APC BR900 is a superb solution for critical computers that are in an area that experiences frequent power outages, such as ours. The BR900 is totally unobtrusive; you forget that its under the desk, like a good soldier it performs around the clock with no complaints. If and when it comes time to replace the batteries, the access plate is easy to operate, anyone will be able to do it with ease. Having the Power Chute software and extra data connecting cable that comes with it; makes an unattended automatic shut down a breeze, well before the batteries are down. Two business friends of mine now have one, based upon my recommendation and they are both pleased with its price and performance.

Works fine, needs better MacOS control software.......2006-12-15

The UPS works as advertised. I found the beeping when the UPS is providing power to be annoying, but you need to install the Windows control software in order to turn it off - the supplied MacOS software doesn't allow you to do that. I really like the USB interface provided to the computer, and I found that MacOS already has built-in support for UPSes that works with the BR900, so there's really reason to install the supplied MacOS software at all. In a desktop Mac, MacOS treats the UPS just like the built-in battery in a Powerbook laptop, which makes sense. The only other thing I don't like is the power supply in my iMac buzzes when the UPS is operational. It must be generating AC with square waves rather than sine waves, which is what you get from the power company.

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