Been through exactly this on my boat — spent a whole season second-guessing myself between two readouts.
The thing nobody mentions is synchronisation events.
What @ExChippie72 said about lag is the crux of it, and I've seen this first-hand on my own boat. The EasySolar doesn't know the THOR has finished its cycle — it just sees a sudden drop in local...
Been scratching my head over something similar on my boat setup, and I reckon this deserves a proper thread.
Running a Cerbo GX with VenusOS (recently updated to the latest stable), and I've been...
OldSailor86 | 847 posts | ⚓ Boats, Vans & Emergencies
@CamperAndrea @Taffy — boat use is where I'd urge the most caution here.
@BPH_Boats been running almost exactly this arrangement on my 38ft sloop for three years now. The thing that changed everything for me was adding a Victron Orion-Tr Smart DC-DC charger between the...
OldSailor86 | Posts: 1,204 | Location: Array
Had this exact drama commissioning my boat bank last spring — four EVE 280Ah cells, same JK unit.
The setting that nearly caught me out was cell...
@TinaHenderson ran into exactly this on my narrowboat before I replicated the setup in my van. The MPPT holds the battery voltage elevated during absorption, which fools a standard VSR into...
@Tango65 — I've been in almost exactly that situation, except it was three days at anchor off the Solent in December, not a house.
@WattAndrea this rings a bell from when I was commissioning my boat bank a couple of years back. Spent three frustrated weekends wondering why my cells kept drifting apart around 10-20%...
OldSailor86 | 847 posts
@AndreaHamilton Had this exact head-scratcher on my narrowboat a couple of winters back.
OldSailor86 | 312 posts | ☀️ Off-Grid Enthusiast
Had this exact drama on my narrowboat two winters ago.
Had a Drift 5.12 sitting in my boat's engine room for two years now, and the thing's barely flinched.
Mate, that's a cracking upgrade. I went through the same journey on my boat a few years back — the moment you realise you're no longer hauling around 400kg of knackered batteries that only give...
Absorption fridges are proper temperamental, especially in a van where ambient temps fluctuate. Had one in my boat years back — nightmare in summer, barely worked in winter either.
Switched to a...
