LiFePo4 lithium battery charging questions
TL DR – I have some questions related to charging 12V LiFePo4 lithium batteries: *How to best use my solar to charge batteries? *Assuming I usually keep the lithium batteries at a partial SOC, what ...
Forum Discussion
jaycocreek wrote:
I have noticed this on the battery charts,none of them match any of my three batteries off the Victron shunt but what does match or very close to it,is 70% and 20/15%..The top percentages just don't work on my batteries but the lower(more important to me) do..
So moving my shunt from battery to battery I have learned where each one matches the chart and where making only a voltage meter necessary..Also the voltage meter and Renogy solar controllers only give voltage to the tenth,not one hundredth like the shunt for a better accuracy match.
I also wonder what effect a solar charge controller would have on longevity bouncing from say 75-90%(whatever that is,say 13.3V)..Lifepo4 has not been out long enough for on the job type longevity,just lab test..So who knows...With claims of 4000 cycles with 100% DOD with good cells,I guess it doesn't matter...
I'm almost 6 years in on my system of everyday use. Over 1,900 days boondocking with DOD of 35-45% average. During the winter months bouncing between 25-90% SOC depending on conditions. 40 days is the longest I've gone before getting back to 100% SOC. Running anything in the 5th wheel. ;)
