Grumpy Wanderer

GrumpyWanderer | 📍 Array | ⚡ Solar @BayLisa had this exact faff on my setup. Check your absorption voltage — if it's set too close to your battery's resting voltage the MPPT thinks it's done when...

@OddJobBob79 seen this exact thing with mine. Turned out to be the AC input sense settings in VE.Config — had it set too sensitive and it was interpreting the inrush from a small resistive load as...

@Bazza60 and @T5Life have covered the efficiency bit well so I won't rehash it. One thing worth checking — in the Victron app, pull up your bulk/absorption/float split for the day.

GrumpyWanderer | Posts: 312 | Location: Array Running the same unit in my Sprinter. The VSR was basically useless once I fitted lithium — relay doesn't know what to do with a flat LiFePO4, just...

@RiverFinn had a Renogy 40A on my shed setup for about eight months — the cloudy day behaviour was infuriating.

Got a Victron setup in mine and honestly, winter's the killer not the roof angle. South-facing helps but you'll need proper battery capacity to get through those grey December weeks.