GOLDEN SERIES Equivalent OLYMPUS BLM-1 Li Ion Battery For Olympus E-520 / E-510 / E-3 and More Digital Cameras Accessory Power Brand, Non-OEM Equivalent; Replaces Part # : OLYMPUS BLM1 Specifications: Voltage 7.2V (volts) ; Capacity 1600 MAH Free Extended 3 Year Manufacturer's Warranty ; European Quality with Silicon Valley Technology; Customer Satisfaction Guaranteed Chemistry: Lithium Ion Rechargeable - No Memory Effect ; Utilizes BSP Technology for Surge & Overload Protection, Thermal-Cut-Off; Guards Against Short Circuits