Off Grid Solar Power - DIY Cheap Battery Bank
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Off Grid Solar Power - DIY Cheap Battery Bank Okay, they're not REALLY solar batteries, but these four car batteries cost me a grand total of $15 and are definitely fit for purpose. I use these to run a few LED lights and a 12V pressure pump to pump water from the rainwater tank to the house. The pump and the lights draw probably 10AH per week. Thanks for watching and please click on the like button and subscribe to my channel if you haven't already. Music: Born Barnstormers by Brian Boyko. The full track is available at freepd.com. This music is in the public domain and is free to use.
Comments
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What will this power? A single fridge?
Or a tv and a laptop? -
$5 a battery that's cheap for sure.
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you should spread those leads to equalize the bank. common mistake. doublenthe life ofnthe bank. hook the 1st and 3rd + terminals and the 2nd and 4th + terminals to the current lead setup and do the same on the neg side and that will balance the bank pretty good. Best would be equal length cables to a common positive post and equal length cables to a common negative post....still in parallel just balanced. right now you're pulling off the last battery the most, the sencond, third so on....look it up. Balanced parrale battery connection.
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Battery Size, Calculates quickly and easily the dimension (Ah) of the battery depending on consumption Wh / day,
Voltage, Ambient temperature, days of autonomy
https://play.google.com/store/apps/details?id=com.fjapps.juank.batterydimension&hl=en -
I'm curious how long your car batteries lasted on your setup? I'm using two car batteries with a 125 watt solar setup to run about 20 watts of LED lights at night. They run 10 hours every night no problem. Everything I read says car batteries won't last use deep cycle. Well I say when you can get car batteries for cheap use them. I've used mine for 2 months on my setup and they still charge fine. One of them is 5 years old too. I don't let them go below 12 volts though. Just curious how long your batteries held up. Thanks
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how did u get these cheap batteries?
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You Might be interested in reading this http://www.smartgauge.co.uk/batt_con.html
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Ok thanks
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Hi where did you get your volt meter from
1m 55sLenght
43Rating