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Message: <blockquote data-quote="adulbrich" data-source="post: 8565749" data-attributes="member: 661255">For those reading who don't know, a typical 12v car battery is made of 6 cells. At rest, the total bank of cells sits around 12.6v fully charged. That is 2.1v per cell. Max recommended charging is 15v, so 2.5v per cell. Fully charged and max charge, each cell fluctuates .4v.With the 4 cell lithium 12v batteries, each cell sits at 3.15v fully charged and can only be charged up to 3.7v each (14.8v total)With these cells, the bank of 5 would sit at 15.75 and have a max charge of 18.5v. Standard charging should be a minimum of 17v, which would be about a volt above my amps' safe range.Keep in mind, charging the 16v battery at 17v is numerically the same as charging a 12v battery at 13.7v. It will work, but is not what most people will consider ideal.</blockquote>

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