Noted: The logo under the black label. Battery Type: Li-ion; Voltage: 15.4V; Capacity: 66.9Wh/4350mAh; Color: Black Compatible Models: Samsung Galaxy Book Flex 930QCG 930QCJ 930XCJ NP930QCG NP930QCG-K01 Series Samsung Galaxy Book Flex 950QCG 950QCG-X01 950QCG-X03 950QCJ 950XCJ NP950QCG NP950QCG-X01 NP950QCG-K01US Series Samsung Galaxy Book Flex 15-NP950 Series Part Numbers: AA-PBRN4ZU PBRN4ZU AAPBRN4ZU 4ICP5/52/109 Note: Please check if this battery is compatible with your computer before purchasing. If you are not sure for that, please contact us!