![]() ![]() Plus, it will surely void the warranty on the Mini, so there is clear risk in undertaking this. This is very much a you-are-on-your-own project. Or at least don't come crying to me if you mess it up. Unless you are comfortable doing such things, don't try this. You will be digging into your Mini, pretty much tearing it down to its bones, cutting wires, soldering wires, then putting it all back together. Now, before you go rushing off to do this yourself, a few words of caution. Here's the example that I used Mac Mini Power-Supply-Ectomy A little web searching uncovered a number of step by step instructions on how to perform a power-supply-ectomy. ![]() It turns out that the power supply that's built into the Mini produces 12VDC which couldn't be more convenient. It's also nice to have one less piece of equipment (the inverter) that the navigation system depends on for operation. In the case of the Mini, I don't think it's a lot of power savings, but every bit counts. Plus, getting rid of the Mini's power supply is another step towards greater efficiency, not to mention the losses in the inverter. Even with an inverter, 120VAC is less dependable than DC battery power. One thing I wanted to do was get the Mini running off 12VDC rather than 120VAC. ![]()
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