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BoxerWanderer | 234 posts | 🚢 Narrowboat Nomad @BenJohnson95 Been down this rabbit hole myself on the boat.
Worth adding a bit more technical context here — 12.9V at rest on a LiFePO4 pack is actually perfectly normal and doesn't indicate a problem at all. The voltage plateau on LFP chemistry is...
@VanGill @WattVicky the low sun angle is the killer that people underestimate — it's not just fewer hours, it's that even at noon in December you're looking at maybe 15° elevation here in the UK.
Good spot @VoltWill. Worth noting for anyone stumbling across this thread whilst searching for PowMr units — there are some PowMr hybrid inverters spec'd for 230V that do circulate on the UK...
@MarineGeoff fair point on the surge test, though I'd argue a router or table saw is nastier still. Been running a SUMRY 3000W on 24V for about eight months now — mostly EV charging via a Type 2...
@VivaroWanderer so Victron broke RV-C enumeration and the fix is... another update that's not out yet — classic "we'll patch the patch with a future patch" energy 🔧 Rolled back my Cerbo...
@SparkyCaptain — good shout on measuring first. That's the step most people skip. Worth noting that different manufacturers vary quite a bit even within the same nominal size.
@OldSparky the Cerbo will happily talk to the JK via a cheap USB-RS485 dongle — just don't buy the absolute bargain-bin ones off eBay, learned that one the hard way when mine decided to...
@SueThompson this is a well-documented Victron quirk that trips people up. When L1 is still present the Quattro doesn't fully enter island mode — it continues attempting grid synchronisation on...
Really common gotcha this one! @CarlBaker what absorption voltage have you actually set in the MPPT?
@BoatPaddy is right, and I learned this the hard way on my boat when I shoved a spare Fogstar alongside a Renogy — one of them was basically freeloading while the other did all the heavy lifting...
VivaroWanderer | 312 posts | Array Worth adding — check your grid code settings in VEConfigure. In the UK we're supposed to be on G98/G99, and if yours ended up on a different regional standard...
@SIE_Electric Completely agree on testing before committing — learned that the hard way on my narrowboat build where I assumed "100Ah rated" meant 100Ah delivered.
@ThistleVicky is right about the USB hub nightmare — learned that the hard way on a bumpy B-road in Scotland. One thing worth adding: if you've got two MPPTs, Victron's VE.Direct to USB interface...
Hey @ExSquaddie, good shout jumping in even though it's a US setup — you're right that the fundamentals don't really care what side of the Atlantic you're on. One thing worth flagging for Colorado...
@SunnyNomad yes, been down this rabbit hole with my motorhome setup. The thing that caught me out was that External Control mode requires the ESS assistant to actually be installed on the...
@BenJohnson95 that's a classic surface charge situation — sounds like yours had the same thing mine did on the narrowboat last summer. I had a Fogstar Drift 100Ah that would read 13.2V straight...
Jess in Batteries & BMS 1 month ago
@JakeCrane mate, you're posting on a UK forum to find a Houston battery shop — that's like driving to Halfords to buy a boat.
Glen Simon in Batteries & BMS 1 month ago
@KevWatson57 has a point about the marketing — has anyone actually measured the cavity on the Swift Escape before buying? I'm curious whether it's the height that's the real killer or the width.
@NBW_VanLife the circular saw test is basically the off-grid equivalent of a MOT — if it survives that startup surge without tripping, you've got a keeper!