BTI Battery - Compatible Model ALIENWARE 18 P19E P19E001 ALW17D-1728 ALW17D-1748 ALW17D-1848 ALW17D-1948 ALW17D-5948 ALW17D-6648 ALW17R-1748 ALW17R-1848 ALW18D-6868 ALIENWARE 18X ALIENWARE M18X R3 ALW17D-2728 ALW17D-2828 ALW17D-5648 ALW17D-5848 ALW17R-294