Battery Charging

Discussion in 'UK Motorcycles' started by curium, Mar 7, 2004.

  1. curium

    curium Guest

    So I figure since I got my optimate 3 I'll have a quick boost before I go
    out. My battery has given no trouble so wasn't worried.

    Plugged in Optimate and the orange LED comes on, indicating its successfully

    Come back 2 hours later and its still charging when I rather expected it to
    have finished.

    This is my first use and the battery has given no trouble so didn't expect
    it to take to long before reaching its target of 14.3V

    How long does this normally take?
    curium, Mar 7, 2004
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  2. I'm no expert but it completely depends on how much the battery has been
    depleted and the condition of the battery. Given we have just been
    through a cold spell when batteries generally lose charge I would not be
    surprised if it takes quite a few hours (up to 8) to top up your

    Someone who has a clue will be along shortly.
    Paul Corfield, Mar 7, 2004
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  3. Paul Corfield wrote

    I managed to recover one of my *hideously* expensive Li-ion batteries by
    means that are not described in the book. Now I have the time to
    actually get the shot in focus before I have to change batteries. Good
    it is.
    steve auvache, Mar 7, 2004
  4. curium wrote
    What processes does a modern optimate go though to "give it a quick

    There might be a clue in that.

    If all is it supposed to do is zap a few amps up the terminals then the
    whole process could only take minutes. OTOH....
    steve auvache, Mar 7, 2004
  5. curium

    wessie Guest

    Optimate is not a boost device. If you read the instructions this is
    clearly indicated. It uses a charge/float cycle over several hours to
    recover/maintain a battery. Best results are achieved by plugging the
    charger in the night before a planned trip. As PC says, that actual time
    before the green LED comes on is variable depending on the level of initial
    discharge and the current drain from alarms etc.
    wessie, Mar 7, 2004
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