Lithium Ion Rechargeable Battery ( LI-92B ) For long trips or vacations, make sure to take an extra battery along for the ride! The LI-92B is the current version of the battery and will work in all cameras that use the LI-90B battery. The LI‑92B lithium‑ion battery is the successor model to the LI‑90B with an increased capacity of approx. 5% to 1350mAh. The battery can be recharged with the optional battery charger UC‑90.For recharging inside the camera either use the super‑compact AC Adapter F‑2AC which is supplied with the camera or the optional available F‑3AC Adapter. Compatible with all cameras that use the LI-90B like the TG-1, TG-2, TG-3, XZ-1, XZ-2 & SP-100. The Olympus UC-90 Battery Charger is the compatible model for the LI‑90B, LI‑92B battery.