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01-13-2010, 10:01 AM   #1
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How many charges for K10D battery

I was recently told the batteries for K10D will only accept about 50 full charges before "dieing". Does anyone know if that is accurate?

01-13-2010, 10:16 AM   #2
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QuoteOriginally posted by Green_Manelishi Quote
I was recently told the batteries for K10D will only accept about 50 full charges before "dieing". Does anyone know if that is accurate?
Pure bull. I have some that were used in my Minolta 4 years ago and still take a full charge.
01-13-2010, 11:08 AM   #3
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No, that isn't accurate.
I suspect a couple of zeros have been dropped from that number.
01-13-2010, 12:29 PM   #4
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To extend the life of the battery:

- Drain it regularly to aound 50%. Li-Ion batteries don't like a full discharge so every couple hundred pics, less if you use the flash, stick it on the charger even if the indicator says it is still charged.

- Don't store them for long periods of time without using them. If you have a "spare" battery, alternate between the two

01-13-2010, 12:42 PM   #5
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Perhaps 50 charges spanning over 50 years...
But as above, regular charging would see these Li-ion batteries last for thousands of charges and a number of years of heavy usage.
01-13-2010, 01:17 PM   #6
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QuoteOriginally posted by Ash Quote
Perhaps 50 charges spanning over 50 years...
But as above, regular charging would see these Li-ion batteries last for thousands of charges and a number of years of heavy usage.
My two batteries, one in camera, one in grip, still hold full charge after more than two years of use. I set the camera to use the grip battery first, the camera battery second. I charge both at the same time, but replace them in the opposite apparatus. Grip battery > charger > camera; Camera battery > charger > grip. The idea I have is to keep the discharge distributed between the batteries. I have no idea whether or not my system works, except that when I went on a two week vacation, the second battery died on the second last day. I had left the charger at home. That was August just past. I bought the camera in November, 2007.
01-13-2010, 02:07 PM   #7
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There will always be dud batteries around, but generally the Li-ion batts are very reliable and hold charge very well as you say Albert.
01-13-2010, 02:12 PM   #8
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If youa ren't overheating lithium ion batteries, you are probably looking at about 400-500 full cycles before you start seriously diminishing capacity.

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