Solar PV battery options

Did you receive the battery yet?

Random question on any ME3000sp users out there. I've firmware 3.0 installed - went looking to see what the change logs were from my version to 3.4 (which seems to be the current version) but couldn't find anything online.

Anyone know of any decent functionality change which would make the upgrade worth it? I'm a "tech head", so it's not something I'm afraid of doing for lack of experience, but I typically don't upgrade firmware unless there's a good reason. A few times I've been hurt taking the latest and greatest….and downgrading is often a RIGHT pain to lower versions.

Just wondering if anyone knows….. thanks.

I have a HP and about 30kWh in batteries. Currently changing some parts but I have found it will cover all of my heating and other usage outside my 9 hour night rate.

But the HP is only using about 2500kWh per year so it will of course vary a lot between houses.

Thanks mate - never thought of searching Facebook directly. Figured google would have had it indexed, but no.

Yeah, as mentioned while updating the firmware (not just on this but any device) is generally simple, I'm a huge fan of "if it ain't broke, don't fix it". Too many times in work I have encountered being put into a situation where the "better" version was infact worse off than previous firmware an regretted going near things in the first place.

That said, there's a time and a place for upgrades so it's not something that people should never do. Just don't blindly do things is my advice.

Currently the house is C1 and was built in 2011, but I plan to get the insulation and airtightness up as far as is possible, although external insulation isn't an option.

Good to know it's possible and it will drive my decision on electricity supply. The EV plans are good, but don't give enough time to charge a large battery.

Now, where to get a 30kWh battery at a good price. Two 15/16/17 kWh packs would work. I'll have loads of room for them without using the attic.

Thanks for taking the time to reply… very helpful.

Lots of info on this thread! I have 16 panels and a Solis S5EH1P5K-L inverter and a Zappi and an EDDI. All working fine on the MyEnergy app etc etc. Thinking of putting in a 10kw battery that can be charged with excess solar (and then discharged back to the grid at end of the day for any unused energy) and also charged up at night (between 11pm and 8am for me).

My installation is all indoors (except the Zappi which is outside) incase that matters but I have seen the Dyness Powerbox G2 10kw for about 1,800 euro online which seems very good and reputable but if there are much cheaper 10kw options that work with my setup I would be all for pursuing that (except going to the North to collect anything!).

Anyone have any recommendations based of the above for me?

Thanks for the info.

A question on the voltage… you mention to get an inverter to take 48v packs. What's the difference between using a 48v pack versus a 51.2v. How does it affect which inverter you use? Is one better than the other?

under 4k for >30kWh I think was a great deal -reviews are good- long established company - modular - easy to add to - easy to replace without system going down - easy to manage and setup - no additional cost - not saving much if anything v kits or diy

yep - a firm favourite of Will Prowse and a whole section dedicated to discussing them on the https://diysolarforum.com/

constantly changing prices - doesn’t make sense currently €2300 for 3 and €5000 for 6 - I got 6 for €4000