The SD card slot is within the flimsy door which covers also the other I/O ports:-
Battery is the same one as that of the K-7/K-5. So, some previous published specs about the K-01 is using the D-LI109 battery, i.e., the K-r's one, is incorrect.
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Pentax @ CP+ Live Show Report by DC Watch
Engadget CP+ Live Hands-on on the K-01 (Video)