ST4120 Battery question....always charge or let die?

Discussion in 'Fujitsu' started by Bhaltair, Dec 2, 2006.

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  1. Derek

    Derek Pen Pal - Newbie

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    should my extended batt for my ST4120 be sitting on the charger as much as possible? or should i let it nearly run out from time to time?

    thanx --- Derek :)
     
  2. Barry J. Doyle

    Barry J. Doyle Scribbler - Standard Member Senior Member

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    You should try to use that battery at least once every couple of weeks. Also I would store it at about 50% charge. Leaving it in the charger all of the time generates heat which will reduce the charging capacity over time.
     
  3. Derek

    Derek Pen Pal - Newbie

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    thanx Barry! i figured not to leave the TPC plugged in all night...i used to do that, not anymore.

    thanx --- Derek :)
     
  4. P8RSON

    P8RSON Scribbler - Standard Member Senior Member

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    The charger should have a circuit breaker within that stops charging the battery once it is full.
     
  5. Bhaltair

    Bhaltair Pen Pal - Newbie

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    P8rson is correct. Also, the Fujitsu batteries from what I've read and experienced don't have to be discharged all the way in order to live longer. They're the type that it doesn't matter, although they do suggest not to put it at a full charge all the time or overcharge which is why their computers and chargers either won't charge if it's already above 95% charged or will stop it as soon as it's full.

    Wow, these are old posts.. I should look at the dates!
     
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