House Hacking Tips and Tricks 8: Battery Backups

House Hacking Project: UPS Backup

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UPS. Not the shipping company, but uninterruptible power supply. What is it? A battery powered backup device, that provides a continuous source of power in brown out or black out situations. They also serve as a surge protector. Depending on your needs and budget, you can get a small unit in the $50 range to a system large enough to power a city. We will focus in the $50-$200 range for residential use. They are not just for business or enterprise anymore.
What would you need one for at home? Any electronic device that has a “standby” mode usually hard resets when disconnected from power. Our entertainment center comes to top of mind, especially the PS3 and Xbox360.
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This little guy is behind said entertainment center, keeping our TV, PS3, Xbox360, and Airport Express online in a power outage. The “uptime” is related to battery size, and this is a small inexpensive unit. Knowing the limitations, I am content that it can keep all devices in standby for hours. This UPS would only last a few minutes if everything was turned on with no grid power.
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Our home office is another story completely. We have utilized not one but two larger units that power our computers, screens, and all of our network: cable modem, gigabit switch, and wireless access point. With an available 30+ minutes at full use, we can complete work related tasks and shut down the equipment without being in a hurry. Software can communicate directly with the UPS from your computer, in the event you aren’t around it will safely turn off the device.
Another benefit of a UPS at home is on shared circuits, where loads approach the breaker limit. The circuit in the office is shared with another room, which is not ideal. If a high amperage device in the other room is used, the voltage can drop enough to trigger the UPS into action. Saving our equipment from frequent voltage drops.
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