Had a similar head-scratcher on my narrowboat setup. The bit people often miss is that bypassing the AC output entirely defeats the UPS functionality — which on a boat (or van) is actually one of...
What @Davo79 said about the panels is spot on, and it actually took me a while to wrap my head around that when I first set up my boat system.
The bit that clicked it for me was realising the...
Same trap caught me on the boat. Spent three months researching battery chemistries when I should've just grabbed a decent Victron setup and started learning hands-on.
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