Pentax K-BC90 Battery Charger Kit for K7 Digital SLR Camera
Amazon.com : D-LI88 USB Charger for Pentax Optio H90, Optio P70, Optio P80, Optio W90, Optio WS80 Camera and More : Electronics
Amazon.com: Pentax K-3 Digital Camera Battery Charger (110/240v with Car & EU adapters) - UltraPro Replacement Charger for Pentax D-LI90 Battery : Electronics