Kastar 4-Pack 7.4V 3600mAh NP-QM71D Replacement Battery for Sony NP-FM30 / NP-FM50 / NP-FM55H / NP-QM50 / NP-QM51 / NP-FM70 / NP-FM71 / NP-QM71 / NP-QM71D / NP-FM90 / NP-FM91 / NP-QM91 / NP-QM91D

Overview: High-capacity Kastar replacement batteries designed to extend your camera’s run time while matching the form and function of the original Sony cells. This set contains four identical packs compatible with the following Sony models: NP-FM30, NP-FM50, NP-FM55H, NP-QM50, NP-QM51, NP-FM70, NP-FM71, NP-QM71, NP-QM71D, NP-FM90, NP-FM91, NP-QM91, and NP-QM91D. Specifications: Battery Type: Lithium-ion; Battery Voltage: 7.4V; Battery Capacity: 3600mAh. Safety & Protection: The lithium-ion cells meet UL1642 and CE safety standards. Each pack includes an integrated protection circuit to guard against over-charge, over-discharge, over-voltage, over-current, and over-heating for safer operation as a replacement battery. Benefits: These higher-capacity batteries deliver longer runtime than many standard replacements, helping you save time and money by reducing how often you need to swap or replace cells. The protection features also help promote a healthier cycle life for the packs. Package Contents: 4-Pack Batteries