si batteries specs

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  • chileelky
    Member
    • Sep 2008
    • 47

    #1

    si batteries specs

    Quite noobie here, after reading a lot of threads some hesitation on instruments led me to check si batteries but even there´s a lot of help about it, cant find specs for si batteries for my 1982 323 ia. Old batteries look fine, no rust, no leaks, (Varta, still redglued, soldered, no indication of volts or mAh, delivering 0.8 volts right now). I´m leaving old ones avoiding to damage something else so I soldered a wire to add an offdash GE cordless phone pack rated at 3.6 v 400 mAh (I´ve read some posts indicating near 3v is ok) (Radio Shack left the country)
    Instruments working ok but temp and gas starts ticking.
    Appreciate your comments before connecting the new pack.
  • bmwpower
    E30 Mastermind
    • Jul 2007
    • 1556

    #2
    2x AA size NiMH rechargeable (1.2v) in series. Something like 2400mAh per.
    That's what I just used.
    89 325is track project / 05 x5 / 99 M3
    E30 stuff for sale | Parts I'm looking for

    Comment

    • george graves
      I waste 90% of my day here and all I got was this stupid title
      • Oct 2003
      • 19992

      #3
      I haven't checked this but I would guess anything up to 3.3volts would be fine - that's just my best educated guess.
      Originally posted by Matt-B
      hey does anyone know anyone who gets upset and makes electronics?

      Comment

      • chileelky
        Member
        • Sep 2008
        • 47

        #4
        Originally posted by bmwpower
        2x AA size NiMH rechargeable (1.2v) in series. Something like 2400mAh per.
        That's what I just used.
        Will try on that. It just confused me some people got their batteries at Radio Shack, I thought they were different than normal batteries.

        Originally posted by george graves
        I haven't checked this but I would guess anything up to 3.3volts would be fine - that's just my best educated guess.
        Why up to 3.3 v, higher than that may damage something?


        Anyway if someone knows the exact specs may help somebody else around.

        Thank you gentlemen.

        Comment

        • george graves
          I waste 90% of my day here and all I got was this stupid title
          • Oct 2003
          • 19992

          #5
          3.3v is a common used voltage level in circuits like that.
          Originally posted by Matt-B
          hey does anyone know anyone who gets upset and makes electronics?

          Comment

          • chileelky
            Member
            • Sep 2008
            • 47

            #6
            Originally posted by george graves
            3.3v is a common used voltage level in circuits like that.
            Thank you again. :grin:

            Comment

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