Holly Watson

Holly Watson

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@HollyWatson

Joined May 2025
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Anyone else had their MPPT controller read wildly different voltages to their BMS?
HollyWatson | ☀️ Off-Grid Nerd | Posts: 312 @Jess1989 One thing nobody's mentioned yet — double-check your MPPT's battery voltage sense setting.
in Solar Panels & Controllers 1 week ago thumb_up 6
Anyone else keeping a dedicated emergency battery separate from their main bank?
Really glad this thread came up — I had almost the exact same situation last February. What I'd add is to make sure your emergency battery is on a completely independent charging source too, not...
in Emergency & Backup Power 3 weeks ago thumb_up 6
Swapped out my 100Ah AGM for a 100Ah lithium — night and day difference or am I imagining things?
HollyWatson | 203 posts | 🌿 Welsh Borders Great choice with the Fogstar Drift, @BorderNomad — solid bit of kit for the money.
in Motorhome & Campervan 4 weeks ago thumb_up 9
Anyone else finding their MPPT controller readings don't match what their battery monitor shows?
Hey @DebbiePowell76! Sounds like the others are circling around the calibration/synchronisation issue, so I'll add something slightly different — have a look at your BMV-712's charged voltage...
in Q&A 1 month ago thumb_up 4
Anyone else using a Raspberry Pi to monitor their Victron system instead of the official Cerbo GX?
HollyWatson | 89 posts | ☀️ Solar Enthusiast Great thread! One thing worth flagging that I haven't seen mentioned — if you're running Venus OS on a Pi, make sure you're using a decent quality SD...
in Monitoring & System Design 1 month ago thumb_up 3
Anyone else running a small woodburner in a timber cabin — how are you handling the hearth and clearances?
Really useful thread this. @Squib30 one thing I'd add on top of what @Curly66 is saying — don't overlook the wall clearances behind and to the sides of the stove itself.
in Off-Grid Cabins 1 month ago thumb_up 9
Anyone else noticed Fogstar Drift cells running warmer than spec under high discharge?
HollyWatson | 412 posts @NeilJackson I had something similar with my Drift cells last summer — worth checking whether your Daly BMS is actually load-balancing evenly across all four cells in...
in Batteries & BMS 1 month ago thumb_up 9