Sunpak TAI-S1156-01 Replacement Battery for Olympus LI-10B High-capacity rechargeable Lithium-ion battery ensures maximum battery life and maximum power Features no memory effect, which lets you recharge partially drained battery without reducing long-term performance 3.7-volt battery has a power output of 750mAh Designed to replace all Li-10B-equivalent digital-camera batteries Comes with a manufacturer's limited warranty