Replacement SONY NP-FM70 / QM71 / 71D Li-Ion Battery 2-PACK for SONY DCR-TRV / DVD / PC Series Cameras Accessory Power Brand, Non-OEM Equivalent; Replaces Part # : Sony NPFM70 / QM71 / 71D / FM50 Specifications: Voltage 7.4V (volts) ; Capacity 2700 MAH Chemistry: Lithium Ion Rechargeable - No Memory Effect ; Utilizes BSP Technology for Surge & Overload Protection, Thermal-Cut-Off; Guards Against Short Circuits Free Extended 3 Year Manufacturer's Warranty ; European Quality with Silicon Valley Technology; Customer Satisfaction Guaranteed