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Wolf reacted to J_Mack58's post in the thread Prototype: charge, discharge (16) 18650 or 26650 or mixed. with
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Most of us here are heavy into Electronics or Electrical and programming. Although I can Python on a Raspberry Pie or program a Arduino... -
Wolf replied to the thread Recommend 16S LiFePo4 BMS with atleast 100A charge/discharge and RPi monitoring?.In my case besides having a Batrium 4 to monitor my packs I found complete monitoring of my whole system to be a challenge especially...
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Wolf replied to the thread Your worst lithium cells.🤣 🤣 I was going to mention the Sony US18650GR - G4 through G8 but you beat me to it. I don't think they are bad cells just that they...
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A couple of hundred Green Sony G5/G7s - IR in 200-300mOhm - caused me much grief in early days till I drank @Wolf's cool aide (thank you...
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Wolf replied to the thread Wolf's PowIRwall.An update to post https://secondlifestorage.com/index.php?threads/wolfs-powirwall.7804/post-78486 So I have been keeping a close eye on...
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Wolf replied to the thread Why won't lithium balance in series?.The chemistry of Pb Lead acid is such that the individual cells in a ,lets say 12V battery which has 6 cells, will come to a "natural"...
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Wolf replied to the thread Why won't lithium balance in series?.Lead batteries do not "self balance" they need an equalization charge every so often, especially if you have ( 4 )12v batteries in...
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Wolf replied to the thread Back to planning and input welcome..Yep. I prefer to have a physical piece of equipment at or near each pack for temp sensing of the individual pack and if anything goes...
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Wolf replied to the thread 16 Cell 18650 Charger/Discharger Board Module.Oops 😲
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Wolf replied to the thread Back to planning and input welcome..I would be more inclined to go with 3s on the panels. 2s is pretty close to nominal V of the 48V battery and you want a bit of leeway to...
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Wolf replied to the thread Watts-on's DIY GTIL Controller.GX12-2P should be the right one. Wolf
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Wolf replied to the thread Building my first pack, need some help..Are you cycling them at 1A? If not you should be. Also what is the cell part number? What is the mAh result you are getting and what is...
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Wolf replied to the thread Building my first pack, need some help..Good point but no I haven't as the IR of these cells (Sanyo) is always greater than my cutoff which is ≈60mΩ, the max being the...
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Wolf replied to the thread Building my first pack, need some help..I consider anything >0.045v too much of a voltage drop after 30 days. That being said be sure to measure the voltage of the cell right...
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Wolf replied to the thread Wolf's PowIRwall.Interesting So I dug into the Batrium log only to find that batrium does not keep a "minute" by "minute" log or so it seems. It does...
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