Intelligent Dual Purpose DC Vehicle and AC Home Wall Charger suitable for the Olympus Tough TG-4 - Two critical functions, one unique charger - Uses Gomadic Brand TipExchange Technology
1800mAh Li-92B Li-90B Battery + Li 90B Li92B Charger with for Olympus Tough TG-5 TG-4 TG-6 TG-2 TG-1 SH-1 SH-2 SH-60 SH-5 - AliExpress
USB Multi Battery Charger fits LI-90B for Olympus TG-7 TG-2 TG-3 TG-4 TG-5 TG-6 | eBay
Amazon.com : Battery for Olympus Stylus Tough TG-805, Tough TG-810, Tough TG-820 iHS Digital Camera : Electronics