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Curious longlived battery

Discussion in 'Electronic Repair' started by [email protected], Nov 26, 2011.

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  1. Guest

    ca 1995 I bought some 7yr diver watches from Woolworth. WHen they doed I
    tried to replace the battery but the entire watch was sealed in silicone and
    could not be salvaged. I had tied one of those watched to the handlebar of my
    bicycle, face towards the sky. It still runs. Is it because the battery
    remained flat? It is kinda miraculous!

    - = -
    Vasos Panagiotopoulos, Columbia'81+, Reagan, Mozart, Pindus, BioStrategist
    ---{Nothing herein constitutes advice. Everything fully disclaimed.}---
    [Homeland Security means private firearms not lazy obstructive guards]
    [Urb sprawl confounds terror] [Phooey on GUI: Windows for subprime Bimbos]
  2. "Normal" is a matter of opinion. I've owned watches that use coin cells.
  3. "Normal" is a matter of opinion. I've owned watches that use coin cells.
    They were lithium. Single cells. To be honest, I've never seen a
    silver-oxide coin cell -- only button cells.
  4. IanM

    IanM Guest

    I've got a Casio [248] W-750 ALARM CHRONOGRAPH wristwatch I've been
    using since the mid '80s. Its on its 5th or 6th replacement lithium
    coin cell. Can't remember whether its CR2032 or CR2025 - the latter I
    think as I keep the former in stock for motherboards. Still working
    reasonably well, though the time setting gets glitchy with a fresh battery.
  5. Jeff Layman

    Jeff Layman Guest

    At the end of 2007 I replaced a Toshiba AAA battery (alkaline manganese)
    in a
    desktop clock-calendar (12.5 mm LCD display), which was given to me in
    1983. It was not new then, as it had already been working for at least
    12 - 18 months.

    Just before I removed it, I measured its on-load voltage (if you can call 1
    microamp a load!) as 0.956 volts. For comparison, the current with a new
    replacement battery was 1.9 microamps.
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