This might be less of a build thread and more of an avenue of cathartic resource application without any real plan or goal. tagline - putting excess solar junk to use to move small loads on to stored solar energy.
During my 8 years as a solar installer I have amassed quite a collection of used or discontinued components, solar modules, charge controllers, string and micro inverters, batteries and assorted communications hardware. My boss would usually joke my wife was going to kill him for sending all this junk back to my house.
And that’s what its been for a while now, useless junk sitting taking up space in several locations.
Last weekend I got a wild hair to actually put some of it to use and hook it up to run some loads in my garage.
In the long run I suppose the only goal of this was to charge 2 large AGM batteries.
(200 amp hour monsters - https://www.emarineinc.com/outback-power-energycell-200nc-nano-carbon-12v)
The old line about lead acid batteries is that they don’t die they’re murdered. Mostly through neglect, so I thought I better “exercise” them, keep them in some sort of low-cycle service.
The two loads I wanted to run out of the gate were an extractor fan (50 watt) and my 12v battery tender on my ever-increasingly-parked electric truck. “Phantom” and small intermittent loads are low hanging fruit to move to a solar-storage solution as the power and energy requirements are manageable within a reasonable budget if you wanted to actually buy components.
Pics to follow…