Amazon.com : UltraPro LI-50B Battery 2-Pack Bundle 1000mAh Digital Video Batteries with Rapid Travel Charger for Select Olympus Cameras Including SH-25MR, SP-720UZ, SP-800UZ, SP-810UZ, and SZ-31MR : Digital Camera Battery Chargers :
Olympus SP-720UZ Digital Camera Review | ePHOTOzine
Olympus SP-720UZ Review
USB Li-50B Battery Charger for OLYMPUS D-750 D-755 D-760 SP-720UZ SP-800 SP-810 | eBay
Olympus SP-720UZ Battery and Charger with Car Plug and EU Adapter - Replacement for Olympus LI-50B Digital Camera Batteries and Chargers (1000mAh, 3.7V, Lithium-Ion) - Walmart.com