UPS + Car Battery = More Computing (Or a 48 Hour Disco Ball?!?) - Systm

Descripción

UPS Hack! Take the tiny battery out of your Uninteruptible Power Supply and replace it with a car battery: you get to run your UPS for a lot longer, and potentially melt your face!

Tags: revision3 systm UPS car battery hack blackout power supply alarm un-interruptible uninterruptible power supply brownout juice car battery 12 volts car battery deep cycle battery patrick norton roger chang david calkins systm revisi

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