Model: A31N1519
Battery Type: Li-ion
Voltage: 10.8V
Capacity: 35WH
Condition:Brand new

Compatible Part Numbers：
A31N1519 3ICR19/66 A32-K56

Compatible Laptop Models(Use "Ctrl+F” to find your model quickly)
ASUS X540 Series
ASUS X540LA Series: X540LA-1A X540LA-1C X540LA-3G X540LA-3F X540LA-3H X540LA-XX002T X540LA-XX003T X540LA-XX004T X540LA-XX013T X540LA-XX021T X540LA-SI302
ASUS X540LJ Series: X540LJ-1A X540LJ-1C X540LJ-3F X540LJ-3G X540LJ-3H X540LJ-XX001T X540LJ-XX014T 540LJ-XX015T X540LJ-XX044T
ASUS X540SA Series: X540SA-1A X540SA-1C X540SA-3F X540SA-3G X540SA-3H X540SA-XX012T X540SA-XX020T X540SA-XX041D X540SA-XX041T X540SA-XX085T
ASUS X540SC Series: X540SC-1A X540SC-1C X540SC-3F X540SC-3G X540SC-3H
ASUS X540YA Series: X540YA-1A X540YA-1C X540YA-3F
ASUS X540S X540L Series
Asus X540MA Series
Asus X540NA Series
ASUS R540SA R540L Series

For the new battery , we suggest that all of our customer should full charge it by AC power adapter ,because takes a long period, the capacity was strain out by inner PCB circuit, in order to protect your battery life,you can full charge to 100% and drain to 1% 2 times,then the capacity will recover.