EZOPower 2 Pack Battery + Charger for Pentax D-LI92 and Ricoh WG-5, WG-30W, WG-30, WG-20, WG-4 GPS, WG-4, CX6, CX4, PX, Pentax WG-10, WG-3 GPS, WG-3, WG-2, RZ18 Two rechargeable lithium-ion batteries (3.7V / 925mAh). Rapid battery charger features a fold-out US plug, 110-240V worldwide input voltage, car charging adapter, and European plug. Fully compatible with pentax D-LI92/Olympus LI-50B battery Battery type: Lithium-Ion.