... battery Cell: 6 cell Specificationsreplacement laptop battery for SAMSUNG R40/P50 Voltage 11.1V 6cell Capacity 4400mah Weight 443g Color BlackPart ... -PB4NC6B; AA-PB4NC6B/ECompatible laptop SAMSUNG R40,R45,R65 series, P50,P60 series, X60,X60 plus seriesDear Mr/Mswelcome to Haiwing ... will reply you asap. replacement laptop battery for SAMSUNG R40/P50 6cell