Olympus LI-90bB Lithium Ion Battery (Black)
The Olympus LI-90B Lithium-ion rechargeable battery pack is for use with the Olympus Tough TG-1, TG-2, XZ-2 and SH-50. The battery can be recharged inside the camera either via using the super-compact AC Adapter F-2AC, which is supplied with the camera or the optional available F-3AC Adapter.