Laptop model:

Asus A540 A540L A540LA A540LJ A540S A540SA A540SC X540 X540L X540LA X540LJ X540S X540SA X540SC R540 X540YA F540 F540L F540LA F540LJ F540S F540SA F540SC F540Y F540YA R540L R540LA R540LJ R540S R540SA R540SC R540Y R540YA D540 D540Y D540YA K540L K540LA K540LJ A540N A540NA A540NV A540U A540UA A540UB A540UP D540M D540MA D540MB D540N D540NA D540NV F540B F540BA F540BP F540M F540MA F540MB F540N F540NA F540NV F540U F540UA F540UB F540UP K540B K540BA K540BP K540N K540NA K540U K540UA K540UB P540 P540U P540UA R540B R540BA R540BP R540M R540MA R540MB R540N R540NA R540NV R540U R540UA R540UB R540UP X540B X540BA X540BP X540M X540MA X540MB X540N X540NA X540NV X540U X540UA X540UB X540UP Series VivoBook X540LA-1A X540LA-1C X540LA-3F X540LA-3G X540LA-3H X540LA-XX002T X540LA-XX003T X540LA-XX004T X540LA-XX013T X540LA-XX021T X540LJ-1A X540LJ-1C X540LJ-3F X540LJ-3G X540LJ-3H X540LJ-XX001T X540LJ-XX014T X540LJ-XX015T X540LJ-XX044T X540LJ-XX512T X540LJ-XX513T X540SA-1A X540SA-1C X540SA-3F X540SA-3G X540SA-3H X540SA-XX012T X540SA-XX020T X540SA-XX041D X540SA-XX041T X540SA-XX085T X540SC-1A X540SC-1C X540SC-3F X540SC-3G X540SC-3H X540Y X540YA-1A X540YA-1C X540YA-3F X540UV X540SA-XX577 R543U X540SA-3G X540SA-1C X540SA-XX020T X540LA-XX013T X540YA-1C X540s X540LJ-XX015T X540LJ-XX044T X540S X540SA-XX012T X540LA-XX003T X540LA-1C X540LA-3H X540SC X540SA X540SA-3F X540LA-1A X540SC-3F X540LA-XX002T X540L X540SA-1A X540LJ-1C X540SC-3G X540YA-3F X540LJ-XX001T X540LA-XX004T X540SC-3H X540LJ-3F X540LA X540LJ-3H X540LA-3G X540SC-1C X540SA-3H X540LA-3F X540SA-XX085T X540SA-XX041T X540LJ-XX014T X540SA-XX041D X540LJ X540LA-XX021T X540SC-1A X540LJ-3G X540LJ-1A X540YA-1A X543M

Part number:  A31N1519 XU100464-15006A