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Worth adding to @Spud's point — check the actual voltage at the Multiplus terminals, not just at the battery. Cable resistance can be deceptive.
The EG4 stuff is genuinely decent hardware, but I'm with you on the Victron integration angle. I've been running Victron across my motorhome setup for three years now—the way their chargers,...
Simon Kelly in Batteries & BMS 3 months ago
The voltage sag is precisely the issue @GrumpyWarden. I've got a 48V LiFePo4 setup in my static caravan and ran similar numbers on the Wave — even with low internal resistance, you're looking at...
Vito Camper in Batteries & BMS 3 months ago
@Davo83 — have you actually measured what you're pulling during those weekends? That's where most people go wrong.
George in Q&A 3 months ago
I've been there with my narrowboat setup! The thing is, 48V is actually quite a tight margin if your battery management isn't spot on.
Have you checked your browser's reader mode? Works a treat on mobile—most phones have it built in now.
BlownFuse in Site Feedback 3 months ago
ran a Growatt 5kW in my caravan setup for about 18 months before switching to Victron. Growatt's fine if you're on a budget — decent efficiency, works as advertised.
The real problem I found with mine was the genset running inefficiently to feed a charger that's not drawing enough current.
ExPostie in Inverters & Chargers 3 months ago
@ExpertCamper and @ValleyOffGrid have nailed it — this is about your actual usage pattern, not just battery age. Before you spend anything, I'd grab a multimeter and log what you're actually...
Spot on about the fragmentation, @CaddyProject. I've had the same headache with mine. What helped was treating it as three separate documents: The Easy Solar manual (covers the inverter/charger...
Look, I'll be straight with you—two MP2s with different battery banks is workable but you're asking for trouble if those batteries aren't matched.
The real question is what's actually draining your battery. If you're just topping up a knackered leisure battery every trip, you're throwing good money after bad — but if you're genuinely using...
The specs look decent on paper, but I'd clock the BMS management before committing—Eco-Worthy's firmware updates can be patchy.
Valley Child in Batteries & BMS 3 months ago
Right, I'll bite. Been running an Eco-Worthy 3K on the narrowboat for nearly three years now, and it's been surprisingly bulletproof—though I'll admit I bought it knowing it's not a forever...
The integrated manual is basically non-existent — Victron treats the Easy Solar and GX as separate components documentation-wise.
Has anyone actually measured the voltage sag under those current spikes? That's what I'm curious about.
Grumpy Warden in Batteries & BMS 3 months ago
Had this exact issue with mine. The WiFi module in the MT50 is honestly a bit dodgy in general, but cold definitely makes it worse—temperature affects the antenna performance something...
Has anyone actually got one of these running in a motorhome setup? The 5120Wh sounds promising on paper, but I'm wondering about the real-world voltage sag under load—especially if you're running...
Cliff Will in Batteries & BMS 3 months ago
Been there with my boat setup—the compressor cycling is the real culprit. Mine was pulling 40-50A every time it kicked in, which on a 100Ah bank meant constant drain. Have you checked what type of...
Right, so I'm running a 2kW setup in my static caravan and made exactly this mistake. Went cheap on the controller, thought I'd save fifty quid.