Olympus T-100 Digital Camera Battery Lithium-Ion 900mAh - Replacement for Olympus LI-80B Battery Replacement battery for the Olympus LI-80B, Lithium-Ion (Li-ion) 3.9V (900mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark