Amazon.com : HQRP AA Battery Holder-Adapter Compatible with Pentax D-BH109 K-r K-30 K-50 K-500 Digital SLR Camera 39100 Replacement : Digital Camera Battery Grips : Electronics
D-BH109 AA Battery Holder for Pentax K-R KR K-30 K-50 backup DBH109 | eBay
For Pentax K-30 K-500 K-R KR-50 Camera D-BH109 Battery Holder AA Battery Holder | eBay
D-BH109 AA BATTERY HOLDER FOR PENTAX K-R KR K-30 CAMERA bh109 | eBay
Amazon.com : HQRP AA Battery Holder-Adapter Compatible with Pentax D-BH109 K-r K-30 K-50 K-500 Digital SLR Camera 39100 Replacement : Digital Camera Battery Grips : Electronics
Amazon.com : HQRP AA Battery Holder-Adapter Compatible with Pentax D-BH109 K-r K-30 K-50 K-500 Digital SLR Camera 39100 Replacement : Digital Camera Battery Grips : Electronics