Amazon.com : Replacement for Olympus TG-320 Tough Battery and Charger with Car Plug and EU Adapter - Compatible with Olympus LI-40B LI-42B Digital Camera Batteries and Chargers (800mAh 3.7V Lithium-Ion) : Electronics
Amazon.com : LI-50B Battery 2-Pack Bundle with Rapid Travel Charger and UltraPro Accessory Kit for Select Olympus Cameras Including SZ-14, SZ-15, SZ-16, Tough TG-610, and TG-620 : Digital Camera Batteries : Electronics