Replacement LiPoly notebook battery (internal) for DELL Latitude E5250,E5240,E5550,11 (3150),11 (3160); replaces RYXXH,0RYXXH,YD8XC,451-BBJR,451-BBLH; Specs Lithium Polymer 3-cells 11.1V 3420mAh 38Wh