If you've ever had the misfortune of losing power right in the middle of a big project you know the headache that can come with that. Over on Instructables, ooda55 guides you through the process of ...
I have an APC Smart-UPS 3000 XL battery backup. In addition to the internal batteries, it has a connector for adding an external battery pack to it. While it's available on Newegg for WAY cheaper than ...
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