Replacement battery for the Olympus LI-20B, Lithium-Ion (Li-ion) 3.7V (1050mAh)This Synergy Digital battery is fully compatible with the original Olympus LI-20B Battery.You can rest assured that this battery will work with your Olympus Cameras that use LI-20B and it can be charged with the original manufacturers charger.We use only high quality Japanese cells, so you are sure this battery will last for years to come.Synergy Digital is a very high reputable company that manufactures batteries and other electronic accessories for over 2 decades, all our products come with a 3 year manufacturer warranty.