Wasabi Power Battery for Olympus BLM-5 and Olympus E-5 Rechargeable lithium-ion battery for Olympus BLM-5 and PS-BLM5 Compatible with the original Olympus charger Premium Japanese cells for longer battery life with no memory effect Rated at 7.2V and ultra high 2000mAh for 20% longer run time than the Olympus original Includes battery and contact cover; 3-year manufacturer warranty