Question about Casio Cassiopeia E-115

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E115 Won't Hold Battery Charge

I've had my Cassio e115 for about 2 years. I haven't been using it that often until recently. However, i now noticed that after recharging my battery to full charge, I can only use it for less than 2 hours straight. Now, both the main and backup battery are originals (2 yrs old). I bought a brand new main battery (jk 210lt) but have the same problem. Does the backup battery have anything to do with how well the main battery holds a charge? I gave the new main battery a full charge and got about 2 hrs of use before my low battery warning came on again? Does any know what could be the problem? Should I buy a new back up battery? Since my main battery is new, could it be that I need to give it several full charges before it will work to its max capacity? Thanks...

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We have a maxim in Engineering which says anything that can be adjusted can be misadjusted. If the new battery gives yoy the same amount of power you have a problem with your main board. Apparently the charging circuit is switching off before the charge is fully achieved. There is a charge cutoff voltage adjusting trimmer on board which needs adjustment. I would however leave is to a Casio trained technician.

Posted on Sep 06, 2005

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You might hook your charger up to your battery and check the voltage that you are getting when it is fully charged. It may be that the charger is bad. Your voltage when fully charged with the battery on it should be a little over the rated voltage of the battery. Just a thought. Be sure you are using the correct poweradapter/charger also. Reply With Quote

Posted on Sep 06, 2005

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