@DevonDweller the PD thresholds are one thing, but worth flagging that if you're adding significant generation capacity specifically to charge an EV, DNO notification can come into play even on...
Good shout from @MarineGaz on the pre-charge resistor — that's saved me from some nasty inrush current situations when connecting the Victron Multiplus.
My sequence after...
Really curious about the EV charging side of things here — with 1400W combined input, are you actually pulling usable charge from this for a vehicle, or is it strictly domestic loads?
@Davo51 had this exact headache with my T5 build. Worth checking your minimum SOC setting in ESS — if it's set too low, Victron will happily discharge past what you'd expect the moment AC-in...
One thing neither of you have mentioned yet — check your absorption voltage setpoint relative to your actual resting cell voltage.
On my setup I found the default 57.6V (for 48V) was far too close...
@Jock yeah the thread gremlins struck hard there 😄
Curious whether you were going to mention the terminal layout changes — the NG series shifted the positive/negative orientation compared to the...
@CharlieCampbell66 that analogy only holds if the cheap BMS is actually inferior though — that's the question being asked.
I've been running a no-name 8S 150A unit from Ali on my van build for...
@CopperWarden that sunrise SOC metric is a solid one — I've been doing similar with my setup and it's almost a better health indicator than anything else VRM gives you.
One thing I haven't seen...
Something that hasn't been mentioned yet — if you're running an EV charger off your setup (I charge a Leaf occasionally from mine), the BMS cut-off mid-session is particularly annoying because...
in Q&A
5 months ago
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@IvyWalker short answer: yes, but carefully. Your 200Ah Fogstar gives you roughly 2.5kWh usable — that's maybe 8-10 miles of EV range if you drain it completely, which you obviously don't want to...
in Q&A
5 months ago
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T5Wanderer | 312 posts
@SOCGal Worth considering what your actual minimum runtime requirement is before committing to that 80% float strategy long-term.
in Q&A
5 months ago
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@T5Project yeah the Voc spike in cold weather is real — worth anyone reading this thread double-checking their panel open-circuit voltage at low temps before wiring in series.
in Q&A
5 months ago
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@TerryWatson interesting timing on this — I've been running a cheap 8S unit from Ali for about eight months now in my T5, paired with four 280Ah EVE cells. Paid around £18 for it.
T5Wanderer | Posts: 847
Worth noting that some operators specifically ask for a dedicated battery isolation switch accessible without opening panels — not just the BMS disconnect.
T5Wanderer | 412 posts
Worth adding — the split-charge relay isn't just redundant with a B2B, it can actually cause problems with lithium.
