Amazon.com : DSTE Replacement for Pro D-BG4 Vertical Battery Grip Compatible Pentax K-7 K-5 K-5ii K-5iis Digital Camera as D-LI90 : Digital Camera Battery Grips : Electronics
Pentax D-BG4 Battery Grip at KEH Camera
FS: Pentax K5-iis with Pentax D-BG4 Grip - Pentax User
Used Pentax D-BG4 Battery Grip | MPB
For Sale - Sold Pentax K5iis with D-BG4 Battery Grip - PentaxForums.com
Third Party Pentax K-7 Grip | DealExtreme D-BG4 Battery Grip… | Flickr
Amazon.com : DSTE Replacement for Pro D-BG4 Vertical Battery Grip Compatible Pentax K-7 K-5 K-5ii K-5iis Digital Camera as D-LI90 : Digital Camera Battery Grips : Electronics
Pentax D-BG4 Battery Hand Grip for K-5 K-7 Digital SLR from Japan | eBay