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View Poll Results: How long did your Pentax battery live (up to 4 answers if multiple batteries)
Less than 12 months 34.55%
12-18 months 11.52%
18-24 months 11.52%
24-36 months 812.12%
36-48 months 1015.15%
Greater than 48 months 5278.79%
Multiple Choice Poll. Voters: 66. You may not vote on this poll

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06-10-2015, 05:38 AM   #31
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My original K5 battery is still running fine, and holds charge well. I had an off-brand replacement which was terrible. I bought another OEM battery and it has been running for over 2 years.

06-10-2015, 07:47 AM   #32
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I have 3 batteries, 1 old Pentax, 1 new Pentax, 1 new Hähnel. While the Hähnel is good, it is not as good as the 4 years old Pentax battery.
06-10-2015, 09:05 AM   #33
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I have passed 4 years for my oldest Pentax and 3rd party batteries. No problems so far, although the 3rd party one might have a bit less juice now.

I don't notice any difference between the old and the new Pentax batteries. (There is no doubt that the K-3 is more power hungry than the K-5, though.)
06-11-2015, 08:04 AM   #34
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All six of my Pentax batteries are approaching two years old with no signs of diminished capacity.

06-11-2015, 08:47 PM   #35
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I have 1 battery for my K-3 that I bought less than a year ago and 2 for my K-5 that is less than 4 years old. All 3 batteries are still working fine as of today.
06-14-2015, 05:29 AM   #36
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3 batteries with K-7 nearly 6 years old and an additional one with K-5IIs 2 1/2 yrs old all still performing equally. - cant tell the difference.

3 are labelled as cell made in JPN pack assembled in CHN. Other one is Made in CHN.

1000+ shots out of the last charge and is still going, just checked.... it's one of the old ones.
06-14-2015, 06:32 AM - 1 Like   #37
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My original K5 battery is still going strong after 4 years. Last Sunday, I shot 1330 photos at a motorcycle race on a single charge so there are no signs of the battery loosing strength. I also did extensive shooting last winter at sporting events in sometimes below 0 cold, often shooting over 500 shots, with no issues. It's possible someone had a bad battery that didn't last. It happens but overall, I have found Pentax batteries to be real workhorses. I am confidant enough that I have NOT purchased a second backup battery for either my K10D or K5.

BTW.....My original K10D battery was still working fine after 7 years when the camera itself failed. It's probably still good.
06-15-2015, 03:28 AM   #38
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Both K20D batteries are still going strong after nearly seven years and 12,000 shots each. They seem to have the same life as when they were new.

06-15-2015, 02:56 PM   #39
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My original Pentax batteries for K10D and K-7 still works fine, but all 3rd party batteries (5 pcs i think it was) I ever used for these cameras have died after 6-24 months.
06-20-2015, 07:00 PM   #40
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I bought my K10D in 2007 and the original battery is still going. In that time I have had a few third party batteries but they never worked as good as the Pentax one. I will say though that lenes with OS do drain the batteries faster. Maybe some of those people complaining were buying grey market cameras off ebay.
06-20-2015, 07:36 PM   #41
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On average I think I go through a set of 4 batteries about once every 14 months. My original Pentax batteries lasted me about that long and so have most of the other brands I've tried. That being said I'm using my batteries for work not just play. I put some major mileage on my equipment in a year or two, which is one reason why I have several bodies and lots of batteries. I try to keep 10 for each camera type at all times so I can rotate them and phase them in and out as needed. I'd guess I probably use them up a bit faster than most hobbyist photographers do...
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