professor95 wrote:
You can do this with your eyes, touching the battery case and a cheap voltmeter. You absolutely do not have to invest in a "smart" auxiliary battery charger for generator use if you are willing to follow a few "smart" rules.
Well, that also depends on the battery resistance and how much amperage the power supply actually causes to flow through the battery. Too little amperage flow equates to a lot longer generator run time.
But this reminds me of something else - Morningstar, for one, allows their solar charge controllers to be bench tested by feeding the output of a regulated power supply into the input of the charge controller.
So, that's one alternative - in the case of the previously mentioned power supply, set it to 15.5v and run it through a solar charge controller to get a proper multi-stage charge into the battery.
