Masione 7.4V 1800mAh Replacement Battery Pack for Sony NP-FM30 NP-FM50 NPFM30 InfoLithium M Li-ion | 7.4 Volts | 1800 mAh | Black | Brand New 100% Compatible with Sony NP-FM30 Batteries are made with the highest quality materials No memory effect so that you can charge battery at anytime 30 Days Money Back and 1 Year Warranty