shadowmaker
Solar Addict
204kWh today. 1,3MWh already this month. It is going to help with electric bill for sure.
Welcome!So as a newbie, I’ve been following this thread with interest/awe.
Out of interest why do you need 192kWh per day? 4.6 GW ? Is your heating bill that high?
Here in the “tropical” south of EnglandI only need 14kWh ….
Of course we do, but you need to cool yourself from time to time in +30C pool.I thought all you guys had saunas to heat.
44kW of PV204kWh today. 1,3MWh already this month. It is going to help with electric bill for sure.
That is because N.America exported our winter this year!This winter has been exceptionally cold and snowy.
We normally run out of the sauna and roll in some nice fresh snow, but we have NO Snow !!Of course we do, but you need to cool yourself from time to time in +30C pool.![]()
62 north. Antlerhead is 63 north. That's why he has antlers and I don't.44kW of PV
making 204kWh in Feb.
Sunrise/set at 63 north, you have 7hours (8:30 - 4:40)
44kW x 7hrs x Eff = 204kWh,
Your system is running 66% efficient in Feb. with stationary panels - well. at least during a sunny day.
That is because N.America exported our winter this year!
(we are calling this "The year without a winter" - it has been raining and we have nearly zero snow on the ground)
44kW of PV
making 204kWh in Feb.
Sunrise/set at 63 north, you have 7hours (8:30 - 4:40)
44kW x 7hrs x Eff = 204kWh,
Your system is running 66% efficient in Feb. with stationary panels - well. at least during a sunny day.
the difference a hundred km makes!62 north. Antlerhead is 63 north. That's why he has antlers and I don't.
Thanks. I took a look very interesting , Ithought they were joking when they mentioned your swimming poolWelcome!
Look at post #253 and some following posts. You are not the only one asking about this...
Summer consumption is much less, but total is 40-45MWh/year. This winter has been exceptionally cold and snowy.
Reminds me of the saying "You can never have too much fuel... unless your on fire."I got another 7 lining up to go ^^
Certain things in life you can't have too much of...like panels and batteries![]()
Who was the manufacturer? Good to not have laser welded cells in this caseHad a bad cell in my 10kWh rack battery and manufacturer sent replacement cells to fix it. Was a bit worried as I have been reading here how hard these pre-assembled batteries are to work with if anything goes wrong. At least this one was super easy to do.
View attachment 197405
Opened the lid.
View attachment 197407
BMS
View attachment 197410
Changed defective cells.
View attachment 197414
Installed Neey 4A smart balancer
View attachment 197413
Need to put it in one piece again. Don't know when I have time to do that and can't be sure if I even remember how to anymore. Plan is to drill a hole for Neey cables in the casing so I can connect/disconnect balancer box when ever I want. This way I need only one balancer, but I can use it with many batts when I just install wirings to them.
Had a bad cell in my 10kWh rack battery and manufacturer sent replacement cells to fix it. Was a bit worried as I have been reading here how hard these pre-assembled batteries are to work with if anything goes wrong. At least this one was super easy to do.
View attachment 197405
Opened the lid.
View attachment 197407
BMS
View attachment 197410
Changed defective cells.
View attachment 197414
Installed Neey 4A smart balancer
View attachment 197413
Need to put it in one piece again. Don't know when I have time to do that and can't be sure if I even remember how to anymore. Plan is to drill a hole for Neey cables in the casing so I can connect/disconnect balancer box when ever I want. This way I need only one balancer, but I can use it with many batts when I just install wirings to them.
It has 2 cells in parallel.Why does that battery bar configuration not look right to me?
I was prepared for laser welds, but fortunately there was none. Can't tell manufacturer as I have promised my friend not to tell anyone as these batteries are his business. He sold these to me without any profit for ~175e/kWh almost year ago. Now I can buy new ones under 130e/kWh if I decided to get more.Who was the manufacturer? Good to not have laser welded cells in this case
Did that, but I'm sure I can still mess it up somehow.Rule I learned a long time ago: Take a picture (or five) before disassembling. Heck, do that when I unhook my PC from all of its cables these days.
2P16S, but also blade style cells with terminals on the opposite ends. Not side by side like in regular prismatic cell.Why does that battery bar configuration not look right to me?
Due to price range I didn't have high expectations. Was surprised that they send replacement cells free of charge and even offered free installation wherever I want. They sure have no clue how expensive that would be here... But I wanted to do this myself, even if there would be laser welded busbars as I wanted to learn how to do it. At the same time I could learn how to connect a balancer.It has 2 cells in parallel.
Used to be a more common practice when cells were smaller. Using 2P16S and 100Ah cells would increase capacity to 200Ah.
It allows for paralleling weak cells with stronger cells to cover up the weakness if the builder is unscrupulous.
Nope.Didn't you have a nice sunny day with a few high clouds for diffuse light conditions today? I had a pretty good day solar wise.
Heavy fog all day today and I mean pea soup heavy, almost ridiculous. 43kWh still. Can't be sad. But yes, really gloomy weather for next few days. Next week looks much better, but I'm sure they will find more rain drop images for their charts until then...Well, seems like we're in for a completely gray week now...