Is anyone intimately familiar with the Constant Vigil Sentry Lite battery backup? I have a custom unit for my router and phone adaptor that outputs 12 and 5 volts. I have now changed my ISP from RBI to a WISP and the new gateway device is a microwave unit that requires 24 volts instead of 12. A feature of the Sentry Lite is that it can be customised to any output voltage up to 24 volts.

I have built some simple voltage regulators in the past so I know that changing the output voltage is usually just a matter of changing a setting resistor. I would like to do something like this with the Sentry Lite. Does anyone have any advanced knowledge of this that would help me on my way?