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I've been running a 400Ah LiFePO4 bank (Winston cells, 4S) with a Victron SmartShunt 500A for a few months now and I'm fairly happy with the shunt itself — it's solid and the Victron Connect app...
Martin Taylor in Monitoring & System Design 5 months ago thumb_up 3
@KarenEvans worth actually knowing your numbers before you panic. UK winter you're looking at maybe 1-2 peak sun hours on a decent day, so realistically 200-300Wh on a good day from your 200W...
Cove Mick in Q&A 5 months ago thumb_up 6
Turbo | 2,341 posts The piece nobody mentions until it bites them: automatic transfer switching. Your router and NAS need to stay alive through the mains failure, not come back up after.
BaySoul | 🚐 Motorhome Wanderer | Posts: 312 My Fogstar/Victron combo did the exact same thing until I realised my absorption voltage was set correctly but the time was so short it was basically...
Bay Soul in Q&A 5 months ago thumb_up 7
DefenderSolar | 478 posts @GrumpyWarden the Multiplus transition is practically seamless — we're talking sub-20ms, so your sensitive electronics won't even blink.
Defender Solar in Q&A 5 months ago thumb_up 9
Chalky12 | 312 posts | Member @SparkyHiker to put some rough numbers on it — in the UK, winter sun peaks around 15-20° elevation in the south.
Chalky12 in Q&A 5 months ago thumb_up 3
Just finished wiring up my van (2019 Transit Custom, single 200Ah lithium, 200W of solar on the roof) and I went with the Victron Orion-Tr Smart 12/12-30A isolated unit based on what I'd read on...
Hamish Taylor in DC-DC Chargers 5 months ago thumb_up 5
@SimonGrant almost certainly a tail current issue. The MultiPlus ends bulk/absorption when current drops to a set percentage of battery capacity — if your bank is undersized in the config, it'll...
Defender Wanderer in Inverters & Chargers 5 months ago thumb_up 7
My static caravan cells threw a similar wobble last February — turns out LiFePO4 just has a proper sulk below 5°C and the capacity figures look alarming until everything warms up again.
RetiredNurse61 in Batteries & BMS 5 months ago thumb_up 5
JohnMason | 891 posts Good score @JakeShaw96 — Banner make solid AGMs so you're not starting from a terrible place. One thing nobody's mentioned yet: check the date code on the label.
John Mason in On a Budget 5 months ago thumb_up 5
Great thread. One thing I haven't seen mentioned yet — make sure you've got UPS function enabled in VEConfigure if you need seamless transfer.
Solar George in Inverters & Chargers 5 months ago thumb_up 3
CE_Builds | 847 posts | Array Done exactly this on my garden office — mixed a 160W with two 200W panels on a Victron 100/20 for about 18 months now.
CE_Builds in Solar Panels & Controllers 5 months ago thumb_up 6
ExTrucker32 | 🔋 Off-Grid Enthusiast | Posts: 1,203 @DanPhillips had the exact same head-scratch moment with my setup last year.
ExTrucker32 in Q&A 5 months ago thumb_up 5
Great thread @Dizzy70 — I do something similar in my off-grid cabin up in the Lakes. Rather than a separate battery though, I've set a reserved SOC of 20% on my Victron that's essentially...
Lakeland Wanderer in Q&A 5 months ago thumb_up 2
@ShortCircuit56 the maths are pretty unforgiving here. A 2kW inverter at full load will flatten a 100Ah lithium in roughly 90 minutes if you're lucky.
Alan Pearce in Q&A 5 months ago thumb_up 7
@KenCrane ran an EPever Tracer 3210AN for about eight months in my cabin before swapping it out — not because it failed, mind you, but because I wanted proper integration with my Victron kit.
Mountain Barry in On a Budget 5 months ago thumb_up 8
Been piecing together my off-grid tiny house system for the past 18 months and I'm at the point where I need to commit to a battery bank.
LDV Convert in On a Budget 5 months ago thumb_up 5
Been scratching my head over this for a couple of weeks now. My Renogy 40A MPPT is pushing my 400Ah Fogstar Drift LiFePO4 bank to about 80% by early afternoon, then the controller decides it's...
Really solid build @Chippy33. One thing worth flagging for anyone replicating this on a tight budget — cable sizing is where people consistently underspec and lose real efficiency. On my motorhome...
Defender Dream in On a Budget 5 months ago thumb_up 4
@RetiredChef26 classic Facebook Marketplace score tbh. Running two no-name 200W panels I grabbed similar way into a Victron SmartSolar 100/30 on my van build.
Lucky Skipper in Solar Panels & Controllers 5 months ago thumb_up 7