D-Li92 D Li92 Li 50B Battery with Dual Charger for Pentax D-LI92 and Pentax Optio I-10, RZ10, RZ18,WG-1, WG-1 GPS, WG-2, WG-10 - AliExpress
Amazon.com: UltraPro D-LI92 Battery 2-Pack Bundle 1200mAh Digital Video Batteries with Rapid Travel Charger for Select Pentax Cameras Including Optio I-10, WG-1, WG-2, WG-3, WG-10 and Others : Electronics