Most reacted threads

Hi. There's a number of threads on trying to add non-matching panels to systems, but I haven't really found my questions answered. Actual questions at the end, background below. My existing system is 2 parallel 3-panel strings of Sunpower SPR-X20-250-BLKs -- (128/153V Vmp/Voc, 5.8/6.2A...

So my inverter is failing and so I'm using that as an excuse to move my battery bank from 12V to 24V. Have been curious about this for years and wondering if anybody knows the answer: Pretty much _every_ solar charge controller will work with 12-48V nominal... but there are _no_ inverters...