Olympus Tough TG-2 Digital Camera Battery Lithium-Ion (1450 mAh) - Replacement for Olympus LI-90B Battery Replacement battery for the Olympus LI-90B, Lithium-Ion (Li-ion) 3.7V (1450mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark