Pentax gets tough with Optio WG-2 and WG-2 GPS rugged cameras: Digital Photography Review
Battery Charger for Pentax Optio WG-1 GPS, WG-2 GPS, WG-3 GPS Digital Camera | eBay
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
Battery Pack for Pentax Optio WG-1, WG1, WG-2, WG2, WG-3, WG3 GPS, I-10, RZ10, RZ18, WG-10, WG10, X70 Digital Camera
Li-50B Battery or Travel Charger for PENTAX Optio WG-2, WG-2 GPS, WG-3, WG-60 | eBay
Battery / USB Charger For Pentax Optio WG-1 WG-2 WG-3 WG-4 WG-5 GPS AUS New | eBay