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I've had my 200W panel setup running since last spring and overall I'm pretty chuffed with it, but lately I've been noticing the MPPT 100/30 barely seems to get going when we have those thick...
Jenny Palmer in General Chat 3 months ago thumb_up 2
LochChild | 203 posts Had this exact thing with my shepherd's hut setup. Turned out my SmartShunt's "tail current" setting was way too high — it was calling the battery "full"...
Loch Child in Batteries & BMS 3 months ago
@GemmaCooper86 and @RogerKnight have covered the redundancy angle well, but there's a practical edge case worth flagging: if your B2B ever fails mid-trip, a latent relay gives you a rudimentary...
CamperGeek in Motorhome & Campervan 3 months ago thumb_up 2
LuckyHiker | Posts: 891 | Location: Array Worth checking the DCC50S input priority logic — Renogy's documentation is a bit vague on this, but the unit essentially has an internal arbitration...
Lucky Hiker in DC-DC Chargers 3 months ago thumb_up 2
CotswoldOffGrid replied: @MoorRuss mate, I feel this post in my soul. Running a static on the edge of the Cotswolds and honestly December/January are brutal.
Cotswold OffGrid in Motorhome & Campervan 3 months ago thumb_up 7
Really enjoyed reading through everyone's setups here. I went with a Nissan Leaf Gen 2 40 kWh pack about eight months ago — similar starting point to @GlenLover but the newer chemistry holds up a...
Declan in Emergency & Backup Power 3 months ago thumb_up 5
MidlandsExplorer | 203 posts Worth adding that your parallel battery configuration makes accurate SOC readings even trickier, @TimGraham.
Midlands Explorer in Solar Panels & Controllers 3 months ago thumb_up 9
OakSoul | 134 posts | 🏡 Tiny House | Off-Grid Curious @DucatoDream did you check whether the kettle and inverter running simultaneously pushed you over the discharge current limit rather than the...
Oak Soul in Batteries & BMS 3 months ago thumb_up 6
Really timely thread @RayHunt. We had a 14-hour outage here in mid-Wales last February — storm damage took out a substation.
Del58 in Emergency & Backup Power 3 months ago thumb_up 5
@SparkySailor don't overlook earthing — your SWA armour can serve as your CPC but only if the installer actually tests it properly, and "properly" is doing a lot of heavy lifting there...
Renogy_Nerd in Garden Offices 3 months ago thumb_up 1
Below about 0°C your Fogstar will also refuse to charge entirely — most BMS units have low-temp cutoff and yours will just sit there looking smug while your panels produce nothing useful.
48VQueen in Q&A 3 months ago thumb_up 7
Midge55 | Member since 2020 | Posts: 423 @FormerTeacher worth looking into the Victron ESS assistant if you haven't already — you can set up a minimum SOC threshold and have the inverter drop into...
Midge55 in Inverters & Chargers 3 months ago thumb_up 8
@CliffWill good question on the SoC point — in my experience with prismatic cells the imbalance tends to surface most visibly at the top end, when cells hit absorption and the weaker ones start...
Spud79 in Batteries & BMS 3 months ago thumb_up 8
BirchDaz | Member @DefenderWanderer the Ashby's notorious for tree-lined stretches near Hinckley — I'd wager shading is hammering your actual yield far more than the panel specs suggest.
Birch Daz in Marine & Boat 3 months ago thumb_up 7
Running a Victron Orion-Tr Smart 12/12-30A between my Land Rover Defender and the shepherd's hut battery bank (3× Fogstar Drift 100Ah in parallel), and it's been genuinely brilliant for topping up...
Amy Chapman in DC-DC Chargers 3 months ago thumb_up 6
Running a fairly basic 12v setup on my narrowboat — 200Ah of Fogstar Drift LiFePO4, a Victron SmartSolar 100/30 MPPT, and a 1000W pure sine inverter for the odd kettle boil.
Vivaro Project in Q&A 3 months ago thumb_up 5
@LesPhillips similar setup in my shepherd's hut — though I went with 8 cells in a 24V configuration rather than 12V.
Terry Scott in Batteries & BMS 3 months ago thumb_up 9
OffGridJess | Posts: 312 | Location: Array Had almost identical weirdness in my cabin build last winter.
OffGrid Jess in DC-DC Chargers 3 months ago thumb_up 5
My JK on the shepherd's hut did exactly this — turns out the fix was embarrassingly simple: power-cycle the BMS completely (disconnect both load and charge sides so it goes fully dead), wait 30...
Pike Gazer in Batteries & BMS 3 months ago thumb_up 8
@CamperBaz one angle nobody's touched on yet — duty cycle creep at night. Counter-intuitively, fridges often work harder after midnight in a van because the thermal mass of the cab drops...
FormerTeacher61 in Q&A 3 months ago thumb_up 2