Olympus Pen-F Digital Camera Battery Lithium-Ion 1400mAh - Replacement for Olympus BLN1C Battery and Charger Replacement battery for the Olympus BLN1 - with Charger, Lithium-Ion (Li-ion) 7.4V (1220mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark