Uninterruptible power supply buyers guide – Glenn Fleishman

An uninterruptible power supply (UPS) offers a simple solution: it’s a battery in a box with enough capacity to run devices plugged in via its AC outlets for minutes to hours, depending on your needs and the mix of hardware. This might let you keep internet service active during an extended power outage, give you the five minutes necessary for your desktop computer with a hard drive to perform an automatic shutdown and avoid lost work (or in a worst case scenario, running disk repair software).

In terms of entertainment, it could give you enough time to save your game after a blackout or—perhaps more importantly—give notice to others in a team-based multiplayer game that you need to exit, so you’re not assessed an early-quit penalty.

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