The Pentax K-BC183U Battery Charger Kit is for charging the Pentax D-LI92 lithium-ion battery, which is compatible with the Optio P70, Optio P80, Optio WS80, Optio RZ10, Optio WG-1, I-10, and X70 cameras. This kit includes the charging cradle for the battery as well as the AC cord to connect it to a wall outlet.