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09-09-2010, 12:23 AM   #1
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K-r battery on k-x

Any possibility of using k-r battery on k-x?

Yusuf

09-09-2010, 01:10 AM   #2
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nice thought ! never think about that
09-09-2010, 01:12 AM   #3
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Doesn't sound like it. The K-r uses a rechargeable battery. You would need an adapter to use AA batteries. If it were AA batteries that take an adapter for rechargeable, then it could be possible.
09-09-2010, 03:18 AM   #4
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It would be impossible I think to use the K-r lithium battery in the K-x.

In looking at the pictures, the battery holder door on the K-r is different from the K-x, and the electrical contacts on the inside of the battery compartment would be different too.

Good pictures of the new battery setup are here:
http://optyczne.pl/183.1-artykuł-Pentax_K-r_-_pierwsze_wrażenia_Pentax_K-r_-...380;enia_.html

09-09-2010, 03:45 AM   #5
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What surprises me is how will the camera camera work on 4.8 volts (4 x 1.2v for rechargeable AA) when the LI-on battery is 7.4 v.

Also 4 low discharge AAs should last longer than the propriatory battery.

4 x 1.2 x 2000 mAh = 9.6 Wh

Li-on battery = 7.8 Wh
09-09-2010, 07:14 AM   #6
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QuoteOriginally posted by Deni Quote
What surprises me is how will the camera camera work on 4.8 volts (4 x 1.2v for rechargeable AA) when the LI-on battery is 7.4 v.

Also 4 low discharge AAs should last longer than the propriatory battery.

4 x 1.2 x 2000 mAh = 9.6 Wh

Li-on battery = 7.8 Wh
Good point!!! may be they have step-down conv inside.
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