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Re: Sharing PV input with two different MPPT inverters
The switched-positive vs switched-negative is also big issue. A system that uses two dissimilar charge controllers on the same array - one that switches on the positive side, one that switches on the…1 · -
Re: This utility is being investigated by the FBI for trying to block rooftop solar
Agreed. But when the unreliable kwhr is half the price of the reliable one, utilities (and even consumers) have a very strong incentive to figure out ways to deal with the less-reliable form of power.1 · -
LiFePO4 balancing / voltage limiting
So I just replaced my old AGM bank with a bank of 16 180ah CALB cells. I bottom balanced them; paralleled them all and brought them down to 2.70 volts. Let it rest for 2 days and they rebounded to 2.…1 · -
Re: Need help choosing an inverter for 3kw (no grid tie)
Then go hybrid. Hybrid allows both grid tie and independent backup. Inverters like the Radian will do that, as will smaller inverters (GVFX3648 for example will give you 3600W if you can live with 1…2 · -
Re: New Solar Array and Core Charges, Ditch Lead?
16 rather than 18, but yes. Fortunately there is space in the battery box to double the system size if needed.1 ·