BattPit Li-Polymer Internal Battery for Dell XPS 13 MLK — 077G21 / 489XN / Y9N00, 7.4V 6128mAh (47Wh)

Brand-new Li-Polymer replacement designed for Dell XPS 13 MLK (part numbers 077G21, 489XN, Y9N00). Delivers 7.4 Volt, 6128mAh (47Wh) capacity using Grade A Cells for consistent, long-lasting power. Comes with a 1 Year Warranty and a 30 Day Money Back Guarantee.