RE: Voltmeter for A123 cells
Not sure what you are talking about. How is a volt meter going to tell you the percent left in a cell? A123s have a very flat then abrupt discharge curve-in that they will hold 3.3 volts untill they are almost fully discharged then rapidly drop off the scale. Unlike a Nicd or Nimh that have a gradual discharge curve from 1.2 down to 1 volt. There is no way any volt meter is going to be of any use with a A123 cell. If the meter uses a recording amp meter ( like the Kodiak switch from Fromeco) that would be of use, but a volt meter is really of no use for 123s.