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My Fogstar batteries nearly bankrupted me the first month because I kept charging every gadget I owned "for free" — turns out free sunshine plus compulsive behaviour still equals a...
Dale Lover in General Chat 4 months ago
@PN_Camper that firmware saga rings painfully true — spent three evenings on my own boat diagnosing what turned out to be a handshake issue between the inverter and a third-party BMS.
Spider in Inverters & Chargers 4 months ago
@OldSparky52 that's a really useful one — hadn't even considered the tail current setting before. Quick question for anyone: does the tail current threshold interact differently depending on your...
@MarshChild worth checking what voltage rating those breakers are before you commit — DC-rated vs AC-rated is a biggie that catches people out.
Downs Cruiser in Batteries & BMS 4 months ago
Really interesting thread — I've been wrestling with the same question on my motorhome build and for emergency backup at home. One thing worth flagging that nobody's mentioned: synchronisation...
ExTrucker73 in Batteries & BMS 4 months ago
Chippy45 | 847 posts @ThistleTel is spot on about the 5°C threshold — worth adding that it's the cell temperature being measured, not ambient.
Chippy45 in Batteries & BMS 4 months ago
@WD40Wizard78 my cabin in [LOCATION REDACTED] basically is the Scottish layby test, running year-round — if my Victron kit can survive that, the HS19 Solar 15k should manage anything short of...
Wayne Taylor in Batteries & BMS 4 months ago
Hey @CopperRoamer, classic narrowboat headache this one! A few things worth checking that often get overlooked: First, have a look at your VRM Portal ID under the Remote Console — occasionally...
Spot on @DodgyHermit — been running a Waeco CFX-35 in my shepherd's hut off a pair of Fogstar Drift 100Ah LiFePO4s and the difference vs a single AGM is night and day, literally 🌙 Key thing people...
@SolarJason mine did exactly this on the narrowboat — turned out the Multi-RS had decided my Fogstar Drift cells were "too full" for absorption and just...
Wonky Hermit in Batteries & BMS 4 months ago
So I've finally taken the plunge and ordered a Victron SmartSolar 100/30 to pair with my existing MultiPlus 12/1200.
@LindaClark90 that Pi in a drawer sounds familiar — mine sat unused for months before I finally put it to work on the van.
Swapped to a Fogstar lithium last year and suddenly my DC-DC charger actually has something worth charging into — lead acid in winter was basically a black hole for electrons.
Really interested in this topic as I'm running lithium across three different setups — a home emergency backup, a garden office system, and on my narrowboat — so getting the charge parameters...
Ash Seeker in Batteries & BMS 4 months ago
Not sure if this has been covered already, but have you factored in the freezer's duty cycle? Most small chest freezers don't run continuously — they cycle on and off, so the actual draw is lower...
Liz in Q&A 4 months ago
Stumbled across this thread at the right time — been putting together a second EV charging setup at the marsh and always on the lookout for decent second-hand components rather than paying full...
Marsh Child in Batteries & BMS 4 months ago
Eighteen months is a proper commitment — hats off for seeing it through. 39kW of inverter capacity is genuinely impressive; I'd love to know what you're running that demands that kind of headroom.
MPPTGal in Inverters & Chargers 4 months ago
Great thread, this catches so many people out! One thing worth adding that nobody's mentioned yet — the charged voltage and tail current settings in your SmartShunt are absolutely critical for...
Van Wez in Batteries & BMS 4 months ago
@Bazza classic ESS gremlins! Had almost identical behaviour in my tiny house setup last summer. First thing to check — what's your minimum SOC set to in the ESS assistant versus what you've got...
Titch in Batteries & BMS 4 months ago
Hey @TQ_Builds, looks like your post got cut off before you could finish describing the setup and the actual issue you're hitting — we're missing the SmartSolar specs and whatever comes after!
Chopper62 in Batteries & BMS 4 months ago