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11-24-2014, 04:33 PM   #1
G Conklin

AA li-ion battery

Can you use 3.7V AA li-ion batteries in a Pentax K-X

11-24-2014, 04:56 PM   #2
Junior Member

Join Date: Nov 2009
Posts: 48
I would say no they would create a much too higher voltage for the camera. Standard chemistry AA battery are 1.5V (rechargeable 1.2) x 4 batteries in series gives you 6V doing this with 4 x 3.7V gives you 14.8V much too high for the camera.

11-25-2014, 06:17 AM   #3
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Join Date: Sep 2010
Posts: 464
I'm assuming you mean 2x CRV3 rather than 4x AA. I don't believe that actual AA Li Ion batteries exist as putting one in the wrong charger will result in explosion and fire. I used CRV3s in my *istD and they worked perfectly. I bought two chargers and four batteries.
11-25-2014, 03:02 PM   #4
G Conklin

Will the CR-V3 batteries fit into battery compartment of a K-x model

11-26-2014, 09:13 AM   #5
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Join Date: Sep 2010
Posts: 464
I don't know. In my *istD they do and they only fit one way. Buy a pair and try.

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