Replacement LiPoly notebook battery for DELL Latitude E7270, E7470 series; replaces 451-BBSX, J60J5, WYWJ2, 451-BBSY, R1V85, 451-BBSU, 5F08V, MC34Y, 1W2Y2, 242WD, GG4FM; Specs Lithium Polymer 4-cells 7.6V 7100mAh 54Wh