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What to use for solar backup? Car or dedicated batteries 

grayfurnaceman
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In this one I explore what is the best way to provide backup power for your solar system when the sun does not shine or the grid shuts down.

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30 ноя 2023

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Комментарии : 25   
@shawnmartin6795
@shawnmartin6795 7 месяцев назад
Hey Bonner! I am still doing hvac after all these years! You were the best instructor that school ever had! Shawn
@grayfurnaceman
@grayfurnaceman 7 месяцев назад
Nice to hear from you. Has it been good to you? GFM
@Ander5806
@Ander5806 8 месяцев назад
Thanks for the information looking to do the same for my home. I am looking forward to see how your installation goes . Please make some videos on the steps you go through alway to the finished installation. And information on the equipment you install. I am a master electrician and HVAC tradesman just don't trust what some of the equipment salesman are telling me about what I need. I am about to retire soon been working in the trade a long time like you so i trust your judgement hope your knees are doing better have some of the same problems just one of the things that happen to us tradesman that work in our field thanks again.
@grayfurnaceman
@grayfurnaceman 8 месяцев назад
I will be doing more on this installation. GFM
@mr.monitor.
@mr.monitor. 8 месяцев назад
A hybrid F150 with the 240v power in the bed box will solve many many problems camping or in an outage. Automatically starts the gas engine in the truck when needed.
@grayfurnaceman
@grayfurnaceman 7 месяцев назад
Even better if you have a lightning. Both 240 and 120v outlets and a 130 kilowatt battery. GFM
@Robnord1
@Robnord1 7 месяцев назад
Very nice !!!!!!!!!! Going with one of those EG4 rack battery banks on wheels? Saw those awesome monsters on their website. I'm putting in a tiny 1500W inverter charger in my cabin size home, and your videos will help me decide what type batteries to go with, so I'm looking forward to your videos to come.
@grayfurnaceman
@grayfurnaceman 7 месяцев назад
I will be using the EG4 Power Pro batteries. These are very new and have not arrived yet. I will start with 2, one mounted beneath the inverter/charger and one next to the 1st. I will be doing videos on the installation as soon as I can. GFM
@StealthNinja4577
@StealthNinja4577 8 месяцев назад
I'd just get dozens of deep cycle lead acid to reach the point where the drop over night is negligible
@grayfurnaceman
@grayfurnaceman 8 месяцев назад
Lead acid batteries are far more expensive in the long run. You will need double the number as lithium for the same capacity. They have 300 to 500 cycles compared to 8,000 for lithium. They need constant maintenance. They are a dead end. GFM
@StealthNinja4577
@StealthNinja4577 8 месяцев назад
@@grayfurnaceman number of cycles really depends on the quality of the battery and how far down you drop them. Since they form oxide crystals that bridge the cells if you go too low then you'll perforate them and kill the battery. I'm thinking you get enough batteries to reduce the percentage you drop each one but that decrease is enough to get you through the winter solstice. Deep cycle are also better constructed to go down lower. You can also do it in stages and build out an array over time reclaiming a little bit of what you put into the grid with each new battery. If you have the money though you could probably get a great discount on a pallet of batteries, the lightning was what a 100k truck... that's a lot of batteries
@mr.monitor.
@mr.monitor. 8 месяцев назад
​@@StealthNinja4577Blah blah blah. The number of cycles each type of battery can provide is well known at many different cycle depths. One is significantly better in the long run, and it's not deep cycle lead acid.
@StealthNinja4577
@StealthNinja4577 7 месяцев назад
@@mr.monitor. Man the troll game these days must be rough for you. At the end of the day there's something physically happening in the battery and if you don't want to understand it that's on you.
@mr.monitor.
@mr.monitor. 7 месяцев назад
@@StealthNinja4577 the batteries performance speak for themselves. Ask someone that actually knows something and owns one.
@Jon-hx7pe
@Jon-hx7pe 8 месяцев назад
wonder what impact it would have on the car battery's lifespan. aren't they very expensive to replace?
@grayfurnaceman
@grayfurnaceman 8 месяцев назад
That is an issue. The iron phosphate lithium batteries are much better for stationary applications and should last much longer. GFM
@Jon-hx7pe
@Jon-hx7pe 7 месяцев назад
if you get a heatpump are you planning on running that off of the same battery/inverter system? I assume the grid would charge the batteries during low solar production periods? @@grayfurnaceman
@teseract
@teseract 8 месяцев назад
I hope you sent in your sales tax exemption form to Signature Solar so you're not paying 9% sales tax on the inverter and batteries as solar components in WA are sales tax exempt if you fill out the proper forms. Elon also doesn't want to enable plugging his cars into people's houses as anyone with free supercharging could charge up their car, drive home, and dump the charge into another set of batteries at home. Rinse and repeat until Elon is paying your power bill for you. This concept probably gives him screaming nightmares.
@grayfurnaceman
@grayfurnaceman 8 месяцев назад
The sales tax exemption has been sent. GFM
@teseract
@teseract 8 месяцев назад
@@grayfurnacemanI don't think a lot of people do it, when I did it they acted like I was crazy then finally accepted it.
@noelnoel4916
@noelnoel4916 8 месяцев назад
Can you teach me A/C please
@grayfurnaceman
@grayfurnaceman 8 месяцев назад
I have no A/C classes. Just videos about specific problems and their solutions. GFM
@noelnoel4916
@noelnoel4916 8 месяцев назад
@@grayfurnaceman I watched your posting for a while, very interesting and educational thanks
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