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Re: Are Lithium Batteries the way to go?
Lithium (of which there are multiple types with distinct characteristics), solves some problems, but creates others. Some include inability to charge in cold temps, greater risk of fire, difficulty i…2 · -
Re: Inverter Neutral tie
"Always"? I don't think so. Does the electrician friend do a lot of work on solar inverter systems? Most don't, and may never run across situations where not everything gets tied into the h…1 · -
Re: Surpassing a controller max amp.
If I'm reading this right, the solution is to add a 4th panel (wired 2p2s) to roughly max out a 30a @24v nominal mppt controller. You likely can't get 40a out of it, but that's the best way to get 30…1 · -
Re: High voltage dc disconnect
I'm not sure series wiring the switches entirely eliminates the problem. Maybe you just get three arcs for the price of one? :smile:1 · -
Re: series or parallel configuration
To add a bit to what @Photowhit noted, one input number you do need to pay attention to is the maximum input voltage of the controller, at the maximum temperature adjusted Voc (not Vmp) of the string…2 ·
