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  • Post in thread: MC4 Connectors and PV Cable Size Questions

    Sorry. Using temco 8awg wire and bougeRV 8awg MC4s. ETA. I'm a bone head and was looking at max charge amps on an MPPT charge calculator VS the amps from the panels itself wired in parralel. So it seems 2P2S is a decent option as well. Seems more economical to but (4) 100/30 controlers than...
  • Post in thread: MC4 Connectors and PV Cable Size Questions

    Hello, Thank you for the great forum. I've been watching Will's video and ordered his book. I'm about to tackle my small solar project on my RV with the hopes of educating myself for a large home system on my property in the future. I just wanted to make sure I understand a few things. The...
  • Post in thread: MC4 Connectors and PV Cable Size Questions

    Thank you for the reply. I think I understand the inverter correctly. Since RVs don't really use 240v I think having the 120v on L1 and L2 in either shore power or inverter mode is all I need. I know I could use a different inverter and accomplish the same thing I just figured the ease of...
  • Post in thread: Solar system pre startup - Pre charge inverter, what else?

    Thank you for the reply.
  • Post in thread: MC4 Connectors and PV Cable Size Questions

    Thank you for the replies. The panel specs are: 450w 42.24 VOC 13.8 ISC I'll be installing 4 of them. I thought about going 48v but already purchased (3) 12v batteries. I could buy a 4th but read it's not ideal to wire the batteries in parralel and should have just got a 48v to begin with...
  • Post in thread: Solar system pre startup - Pre charge inverter, what else?

    Newb here with another question. Thanks in advance for the patience. You guys are more seasoned and this might be an elementary question. I got lucky and stumbled across the fact you have to pre-charge the capacitors in an inverter via resistor. More specifically large inverters. This made me...

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