Re: (ET) Charging, and general battery confusion

["steves" <ssawtelle fcc net>]

>  I could only get an OCV of 38Vdc
> with it connected and charged overnight, and now with it
> disconnected I can get 38.8Vdc, again OCV.  From what I've read
> here, that's too low, it should be much closer to 42Vdc.  My
> individual OCVs range from about 6.4 to 6.65Vdc with the lower
> occuring on the "taps", that I think is pretty normal.

Is the 38.8V the batteries or the charger? If batteries, Trojan site shows
(below) 38.2V for 36V pack 100% charge.  If charger, I think that's low.



TABLE I. State of charge as related to specific gravity and
open circuit voltage

      Percentage of Charge  Specific Gravity Corrected to
      80o F  Open-Circuit Voltage
      6V  12V 24V 36V 48V
      100 1.277 6.37 12.73 25.46 38.20 50.93
      90 1.258 6.31 12.62 25.24 37.85 50.47
      80 1.238 6.25 12.50 25.00 37.49 49.99
      70 1.217 6.19 12.37 24.74 37.12 49.49
      60 1.195 6.12 12.24 24.48 36.72 48.96
      50 1.172 6.05 12.10 24.20 36.31 48.41
      40 1.148 5.98 11.96 23.92 35.87 47.83
      30 1.124 5.91 11.81 23.63 35.44 47.26
      20 1.098 5.83 11.66 23.32 34.97 46.63
      10 1.073 5.75 11.51 23.02 34.52 46.03