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Love and knowledge! Doesn't get much better. Thank you team!

...as soon as I replied I thought I should have added more info. Also, just found your YouTube channel WOW! My aim is to have a 200ah LiFePo4 - However, currently, not ideally, what I could get my hands on is this: https://www.renogy.com/deep-cycle-hybrid-gel-battery-12-volt-200ah/ (each new...

Wow, Thank you both for all the hand-holding! I actually already own this: https://www.renogy.com/rover-li-40-amp-mppt-solar-charge-controller/ but because I want to add alternator charging it was recommended that I swap for the DCC50S 12V 50A DC-DC battery charger with MPPT. I think you...

OK. So it sounds like I'm confusing voltage of panels with system voltage, yes? I'm planning to use: https://www.renogy.com/dcc50s-12v-50a-dc-dc-on-board-battery-charger-with-mppt/ Thank again!

Thank you both for the help. I can see now what he's doing in the video. oops. I'm still confused about what I'm doing since I'm aiming for a 12V system (12V battery, 12V appliances, etc.) but would like to wire in series/parallel.

On a 400w (4x100w panel system) in this video why are so many branch adapters required? Can't I simply plug + and - MC4 connector directly without any additional adapter(s) from each series pair and then use a Branch Y Connector in (MMF+FFM) so that I up with one + lead and one - lead? In...

...answered my own question and corrected myself - but rather than delete I'll post what Will wrote and I had trouble finding: "...because this blueprint requires so many solar panels in parallel, adding an inline mc4 fuse is very smart to do." and you can see the 20a fuse he recommends in one...

Hello. I don't see anything here, on Will's site, or in the book about using a fuse between panels and controller. It's listed as a recommended fuse location on various other sites https://www.renogy.com/blog/how-to-fuse-your-solar-system/ but wondering what you do? Since I'm basing all of my...

...thanks SolarQueen! ...and then I can wire my 4x100w in S/P? That's what I want to do and I didn't know why one blueprint said that wasn't an option. Appreciate the help!

Noob question: Need some clarification. This blueprint you shared specifies "this blueprint unfortunately requires parallel connection of the solar panels" whereas this blueprint, without Alt. charging, specifies series/parallel for panels...

...following. I have a very similar setup I'm just starting to build and very similar questions. I'm also curious (not to hijack your thread) about what some folks are referring to a toggle switch. Wondering if this is necessary and if it's just "nice to have" what specifications on this little...