6JHDV Laptop Battery for Dell Alienware 17 R2 17 R3 ALW17ED-1728 2728 3728 3828 4718 4738 AW17R3-3758SLV 7092SLV 4175SLV 8342SLV 167555SLV SLV V 6J. HC; V 6Y 5046J YKWXX 14.8V 92Wh