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when using the R8KL1NA 48V as a grid tie solution, is there anyway you can (even if manual) configure the until to use Battery when the Utility Grid goes down? I realize you would need a transfer switch or the equivalent to isolate the utility grid so you don't back feed to the grid.

What I am trying to do is make a Solar Trailer that will be used on a small construction site (or to power a small log cabin home) where there is no grid available. The idea is to use a PV array that is mounted on the trailer along with the onboard Battery on the trailer to power the load(s)...

So I asked Growatt how to calibrate their Growatt Inverter to match the actual voltage read at the battery terminals (to compensate for voltage drop in cable from the battery terminals to the Inverter), they sent me this video. It appears the person doing the video was making mistakes and having...

So assuming for sake of argument your only option was to put panels on a 3-degree roof pitched East-West where the east pitch is 10’ off the ground, sloping westward to 9 foot (almost flat roof); also knowing that in this area southern-facing panels get good light from 10 am-4 pm before the...

I am looking to use a Growatt inverter to power a house. I have a large 48v 30kw battery bank to run the inverter when the sun is not shining on the panels. So what happens when the battery is charged, the sun is shining on the panels, and the is no load requirement (i.e., nothing is turned on...