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Good point. I will need to ask my installer, One thing that he discounted the HV batteries but then if he put an inverter which cannot cope with the power of the batteries what will be the point!! I will be vigilant. I estimated that my 37 panels to be (14.6kW) (16 existing and the 21 new...

This reminds me I did have a problem when I got my system in 2016. I bought my system with a friend living about 500 yards. We place the ordered together to get a discount. We got the exact same equipment, The only difference my 16 panels are SE while his are 8 E and 8 West- His roof has a...

I would add that the first batteries were LV and HV are relatively new especially for residential applications. I do not think the manufacturers would launch new products and hoping that they can sustain sales only based on marketing blabla. There must, therefore, be something "better" about...

Back to case one. What are the advantages of HV over LV? It is frustrating that the manufacturers can't give us comprehensive specs.

so in other words. LV and HV same boat...

Thanks @arwooldridge Generally, all batteries are affected by ambient temperature. This is why I gave up the idea to put everything outside ( I had a nice corner out of the view and not taking place in my attic) despite some brands saying they can be installed outdoors. Of course, they will...

270W !! lucky you. Mine is 0 and will be 0 for a while today. We have 15mm of snow

Once you have done a bit more research you may be able to confirm that the issue is this. The minimum requirements for your inverter to start converting DC into AC. Once it is confirmed the question is what can you do about it? Here are my thoughts only: 1) How often does this is occurring? It...

Just a thought as I had faced this issue. When you only have a limited number of panels facing the same orientation and installed on a string inverter, sometimes the issue is due that that small number of panels don t generate enough to kick off the inverter. There is a calculation that help...

It looks like you are multi skills. Gardener too aya! ;)

Thanks. You are gonna need to be patient. 1) Surveyor 2) DNO, you surely know how long this will take... 3) Installation I hope it will be fitted for Spring... if there isn't a bad surprise in between.

Hi I currently do not have EV and don't except one before a couple of years. Storage heater. That's an idea :) Thanks

You are right and I tend to do the same. I like facts and data but comes a point where I have to stop digging. Time will tell. Well, the thing is that even if I am happy with the batteries I will never know what would have been the difference with LV... :( Anyway. @MHarv already have the...

You are the technical expert :) I only got it from what I read here and there..... I posted a link above and there are also videos etc.. they all seem to say the same thing.

You have the specs of the HV at the top of the thread. For the LV, Pylontech U5000C, Growatt GBLI6532. SAJ B1 5.1 48 for some reason is in between It will be 2 of them as I want to start with around 10k.

I finally opted for the HV battery. Technically speaking, from what I understand they will charge more quickly, therefore when the sun plays hide and seek with my panels, there are more chances to get more kWh into the batteries. In addition, by having underfloor heating in one room, the...

One thing the installers I met had in common is that they were all OK with my additional kits (inverter, batteries) to go along my existing inverter in the attic.

It depended on what type of FiT you had. My export is based on a "assumed" 50% export. This is because, as you surely know well, what I export cannot be measured, So the higher benefits is when nothing is exported and I still get paid 50% of my generation as export leccy :) I agree with your...

That was the idea. You are correct. For DNO it is free up to 3.68. I have that already. Then they can be generous and allow you a bit more for free but then depending on many obscure reasons (I did ring the DNO but they could not give me a straight answer as I could not give them some of the...

and also if an electrician is working at your house and shut off the main, there must also be one switch for the batteries...