Amazon.com : Wasabi Power Battery for Pentax D-LI92 and Ricoh Pentax Optio I-10, RZ10, RZ18, WG-1, WG-1 GPS, WG-2, WG-2 GPS, WG-3, WG-3 GPS, WG-4, WG-4 GPS, WG-10, X70 : Digital Camera
Amazon.com : Syenrgy Digital Camera Accessory Kit Works with Ricoh WG-4 Digital Camera includes: SDDLi92 Battery, SDM-192 Charger, HDMI6FMC AV & HDMI Cable : Electronics
Battery Charger for Ricoh WG-4, WG-5 GPS, WG-6, WG-30W, WG-40W Digital Camera | eBay
Famous and Unique RICOH WG-4 GPS Underwater Camera with accessories, original box and documentation. Like New! Free Shipping Free Gift!!
Battery (2-Pack) + Charger for Ricoh CX3, CX4, CX5, CX6, PX, WG4, WG5 GPS, WG20, WG30, WG40, WG40W, WG50, WG60 Digital Camera - AliExpress
Battery Pack + Charger for Ricoh WG-4, WG-5 GPS, WG-20, WG-30, WG-30W, WG-40, WG-40W, WG-50, WG-60, WG-70, WG-80 Digital Camera - AliExpress
Ricoh WG-4 and WG-4 GPS debut with premium rugged specifications: Digital Photography Review