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OK be gentle... and I do apologise for the quality of the sketch! I haven't included cable sizes yet, but I need to measure how long the runs are before I make that decision. There will actually be two separate sets of PV/MPPT but I've only included one just now, for clarity. I also haven't...

In addition to my yacht's main house bank, I am going to buy a small (60-100Ah) drop-in type LFP battery. Primarily this will be used for the trolling motor on my dinghy. I can buy a very cheap 'Ultramax' 60Ah battery- £245 including a charger. But it's only just big enough and I bet the BMS...

I'd like to add PV to my house. I think I've got a lot to learn, although I do know some of the basics as I built a 1.2kw system on my boat already. At it's most basic, can I install some panels, a grid tie inverter, and a diverter, to use solar to heat a tank of water? Are there any other...

I'm running a 271Ah 4S bank through a 120A JBD BMS. Has been working well for nearly a year now. I use it to run cooking equipment daily. So maybe an hour total on average I'd guess pulling 60A or so. But shorter periods of time pulling close to 120A. Should I expect a limited life out of my...

I've got my four 272Ah cells and my JBD BMS. Have now completed the top-balance. So it's time to do the final assembly of the pack. I'm not short of space on the boat, the pack can go pretty much anywhere. Thinking of keeping it fairly central, not too low down and obviously not within the...

If I wanted to boil it down to the bare minimum, how simple could an Electrodacus-based system be? E.g. a Victron Battery Protect on the charging side, another one on the load side, and a SBMS0 in the middle? I know this might not be using the Electrodacus to its full potential, but I'm...

Last year I put together my 4S 271Ah Lishen pack and have been using it quite successfully for a few months aboard my boat. The balance has gone a bit off and I have decided to rebuild the pack, taking the opportunity to do a top balance and to do a better job of the connections. I see a lot of...

I'm looking for a pure sine wave inverter as part of my yacht electrical upgrade. The loads I would be running include a 1600w induction hob and a laser printer. I will be powering this from a bank of 4x280Ah LFP cells. I would like to configure the BMS to cut off the inverter's on/off switch...

I've been reading up about mixing different sizes and specs of panels and getting fairly confused. I've already got a 100w 12v panel, but want to upgrade to a total of around 800w. I'd also add a new MPPT. If I buy more 12v panels and want to run everything through the same SCC, should I buy the...

My Epever inverter has been working well for about a year. It's a 3kw model and as my system is constrained by everything running through the 120A BMS, the inverter has never had to deliver more than about half of its rated output. It's now showing no lights, no AC output, nothing at all. I...

I've been looking at different installations and seeing it's quite common to use MRBFs on the battery terminals, then a big class T, and then smaller fuses for individual circuits. At the same time I've read that fuses can run hot, which sounds inefficient. So is it best to minimise the number...

I'm going to be running two systems on my boat- 200w at 12v feeding a lead-acid bank, and a 600w, 32v PV array feeding the LFP. The smaller system is primarily equipment that is only used when actually sailing, e.g. autopilot, instruments. Once I am anchored up I may want to tap in to that extra...

I've narrowed this down to ??three models. - Epever Ipower Plus. £375. I like the recognisable brand name, and the totally configurable LVD settings. Downside is apparent lack of remote, few reviews available...

OK to show just how new I am to this I have some *really* basic questions about battery protection, to see if I'm understanding this properly. 1- simplest option seems to be use the BMS itself as the cutoff device on both charge and load sides. 2- better is to use the BMS to trigger separate...

Seeing as Overkill were sold out I went with a JBD unit. Bit surprised to find no instructions or documents included whatsoever, but I suppose you get what you pay for! I'm trying to follow the instructions on the website...

I'm planning on a 12v 280Ah system, and want to run some 240v equipment- the most demanding being a 1600w induction hob. So I'm planning on running a 2000w PSW inverter at least. Ideally I'd like to be able to run as much 240v as the batteries can safely take, but 1600w is the bare minimum. I'm...

I'm trying to get my SCC to talk to my windows laptop. I have the correct cable and I have downloaded the V1.95 software from Epever. And that's as far as I've got. I looked up an online 'how to' guide but it seemed to be a slightly different version of the software, with different tabs on the...

OK so my plan is to install two 320w panels, feeding a 4s LFP bank. Crude maths (640/12=53) leads me to spec a 60A MPPT. Real life numbers are different, though. I've never seen more than about 80% of rated output from a panel (admittedly, this is in not-so-sunny Scotland); further, my bank will...

I understand that I need an isolator and a fuse between my panel and the charge controller. Can I just a suitably rated DC MCB, and kill two birds with one stone? In fact is there any reason to use MCBs throughout? It would allow me isolate different parts of the system whilst minimising the...

Been using my 4S 271Ah system for about two months now, it's installed on the boat that I live on. I have a JBD BMS. Recently I've noticed that when drawing a next load the balance is no longer good- up to 0.2v. I cleaned up some contacts which helped a bit but still not happy. I was watching...

Hopefully this is a very easy one to answer. If I have a lead-acid bank alongside my LFP, how do I set up the charging from both alternator and PV? The MPPT controller I am planning on installing (Epever Tracer) can be configured for various battery types, but whilst it can handle two banks I...

Six months in I am fine tuning my system. I have a JBD BMS, and an Epever Tracer MPPT. When I first set it all up, the BMS would cut out at full charge, which I understand is bad for the MPPT as it no longer has anywhere to sent the power. I appear to have got away with this but I was generally...

I've finally got round to adding a monitor to my 4S system. It seems to think I have a discharge current of around 220A, when in fact the system is, as I write, charging at about 4A, according to the BMS, as we approach sunset. Any suggestions? Duff unit, bad connection somewhere? Or is there...

After putting this off for months, I really need to get my cells and BMS ordered. The system will power cooking/refrigeration in a yacht. I don't anticipate operating in low temperatures. I've decided to go with 4x272Ah Lishen cells from Shenzen Basen. The only charging sources will be MPPT...

I'm not expecting a definitive answer on this, unless anybody else has actually used this exact model of inverter: https://www.epsolarpv.com/product/72.html From what I can tell based on the line drawing in the manual, this inverter does have a rocker switch. hard to tell for sure. Are there...

Looking for an MPPT SCC for installation on a yacht. Have been offered a used Morningstar Ecoboost for a good price. Would this be a better buy than a EPever for similar money? I'd be using it with a 32v panels, and a DIY LFP battery with most likely an Overkill BMS (if any of that is relevant)...

I use a 12v trolling motor on a dinghy and would like to replace the heavy SLA with something a bit more portable. I don't need a huge capacity, I just want to be able to easily take it home to charge. The motor draws around 53A at full power and I really only need about 20mins endurance, so 20A...

Hello again! If I want to charge LFP from a lead-acid bank, or vice versa, it seems the two options are a) DC-DC charging; b) an inverter and AC charger. As far as I can tell, all of these pieces or kit are about 85% efficient, so going via an inverter works out at 72%. But the huge advantage of...

My boat has a pretty basic shore power system with a 16A connection, a breaker, and then a few 240v sockets around the cabins. I don't believe there is any sort of ground to any part of the boat itself. I've also got a Victron Phoenix inverter (not an inverter charger) which currently just has...

Trying to narrow down on my design. Here's what I'm thinking: 800w PV->60A MPPT Epever-> 4S 280Ah with Daly 100A BMS -> 220A Victron Battery Protect -> 2kw Renogy PSW inverter All at 12v. Smaller loads will run straight off the BMS, not through the BP. Loads will include a Sterling 30A B2B...