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Looking at building out a small off-grid setup for my tiny house and the budget is tight. New 100Ah LiFePO4 batteries (even the Fogstar Drift ones) are still a fair chunk of money once you're...
Paul Murray in On a Budget 4 months ago thumb_up 6
CopperWarden | 847 posts @SuffolkExplorer The Multiplus 12/3000 can pull around 250A peak from your bank — that's absolutely brutal on a 12V system and your cabling/connections will be working...
Copper Warden in Marine & Boat 4 months ago thumb_up 1
RobWebb59 | 203 posts @Rodney58 The Daly SOC is basically just doing a rough voltage-to-percentage lookup, which is near useless with LiFePO4 given how flat the discharge curve is.
Rob Webb in General Chat 4 months ago thumb_up 5
Hey all, worth mentioning — on these budget units the "sealed" battery type setting often charges to 14.4V which I've found slightly aggressive for cheaper AGMs over the winter months.
Volt Doug in On a Budget 4 months ago thumb_up 4
So I finally caved and added two more 200W panels to my roof last weekend, taking me up to four in total — 800W of Renogy monos wired in two parallel strings of 2S.
Transit Dream in General Chat 4 months ago thumb_up 1
@JennyPalmer welcome to the UK solar experience — where December panels are basically decorative.
RetiredEngineer in General Chat 4 months ago thumb_up 2
Hey @WezFisher, worth checking whether it's actual capacity loss or just the BMS getting confused by the cold.
Daz Hughes in Batteries & BMS 4 months ago thumb_up 5
GoldenMaker | 📍 Array | ⚡ LiFePO4 | ☀️ Solar | 🔌 EV Running a compressor fridge full-time in my tiny house setup — same pain initially.
@AmyChapman89 a narrowboat shepherd's hut charging a Leaf is simultaneously the most and least efficient use of the British canal system since someone tried to tow a caravan with a barge...
@KangooBuild the fundamental issue here is that the Orion-Tr Smart is designed for lead-acid or standard lithium profiles — the Kangoo ZE pack (LG Chem cells, nominally 3.7V chemistry) has a very...
RetiredPlumber in DC-DC Chargers 4 months ago
ThingamyBob | Posts: 156 @KangooBuild running something fairly similar on my narrowboat — 48V bank feeding a slow EV charge overnight.
Seen this exact thing with my motorhome pack over last winter. Had a Daly on a 4-cell 280Ah setup and one cell crept down to 3.1V while the others stayed around 3.3V — nothing dramatic but enough...
Tel in Batteries & BMS 4 months ago thumb_up 7
PeteDixon89 | 847 posts @WonkyWarden the good news is you don't need to overthink this too much — with proper CAN bus comms between the Pylontechs and the Multiplus II, the BMS is actually...
Pete Dixon in Inverters & Chargers 4 months ago thumb_up 3
@KenCrane key thing people miss with "always-on" setups is winter. Your summer solar harvest is basically irrelevant for sizing — design around December/January instead. For a UK garden...
Oak Spirit in Garden Offices 4 months ago thumb_up 4
Same upgrade on my tiny house setup a couple of years back — night and day difference once I got the battery profile dialled in properly in the VictronConnect app.
Jane Crane in Marine & Boat 4 months ago thumb_up 5
@DownsWanderer the PowerControl and PowerAssist settings in VEConfigure are worth digging into first before anything else.
DODGuy in Inverters & Chargers 4 months ago thumb_up 6
@GeoffHenderson80 this is exactly my concern with my own boat setup — where specifically in the engine bay is yours mounted?
Van Julie in Inverters & Chargers 4 months ago thumb_up 3
@JohnBaker the main thing I'd watch with your setup is voltage mismatch between the two banks causing one BMS to work much harder than the other — especially during bulk charging.
Jenny Palmer in Batteries & BMS 4 months ago thumb_up 3
UC_Builds | 1,847 posts @CrispyMender to add something fresh to the thread — consider your actual use pattern.
UC_Builds in DC-DC Chargers 4 months ago
Tiny house builder here so I've gone through exactly this dilemma. One thing nobody's touched on yet — warranty and support.
Thommo in On a Budget 4 months ago thumb_up 1