This is a generic, equivalent one, 100% compatible. This 11.1V 2200mAh Replacement A31N1519 battery is designed to compatible with ASUS A540 F540 R540 X540.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 11.1V
* Battery Capacity: 2200mAh
* Chemistry: Li-ion
* Cell: 3 Cells
* Color: black
* Certification: CE FCC RoHS
* Condition: new, 1 Year Warranty!
* No memory effect, Over-charge protection, Over-discharge protection.
* Over-heat protection, Over-current protection, Short-circuit protection.

Compatible Part Numbers:
A31N1519

Compatible with the following ASUS Laptop models:
A540
A540LA: A540LA-DM625D A540LA-XX014R A540LA-XX016
A540LA-XX016D A540LA-XX016T A540LA-XX039D
A540LA-XX202T A540LA-XX289T A540LA-XX373T A540LA-XX521R
F540
F540LA: F540LA-XX030T F540LA-XX040T F540LA-XX057T
F540LA-XX058T F540LA-XX059 F540LA-XX059T F540LA-XX060D
F540LA-XX069T F540LA-XX122D F540LA-XX274T F540LA-XX458T
F540LJ: F540LJ-XX028T
F540SA: F540SA-XX073D F540SA-XX073T F540SA-XX087T
F540SA-XX088TF540SA-XX090T F540SA-XX091T
F540SC: F540SC-XX008T F540SC-XX030TF540SC-XX068T F540UP7200

R540
R540LA: R540LA-DM088T R540LA-DM099RR540LA-DM740T
R540LA-XX011TR540LA-XX020TR540LA-XX087TR540LA-XX092T
R540LA-XX093T R540LA-XX106T R540LA-XX247T R540LA-XX249T
R540LA-XX254T R540LA-XX325T R540LA-XX411T
R540LJ: R540LJ-XX253T R540LJ-XX299T R540LJ-XX300T R540LJ-XX301T R540LJ-XX340T
R540SA: R540SA-XX022T R540SA-XX040T R540SA-XX056T R540SA-XX222T R540SA-XX319T
R540UP

X540
X540LA: X540LA-1A X540LA-1C X540LA-3F X540LA-3G X540LA-3H
X540LA-XX002T X540LA-XX003T X540LA-XX004T X540LA-XX013T X540LA-XX021T
X540LJ: X540LJ-1A X540LJ-1C X540LJ-3F X540LJ-3G X540LJ-3H
X540LJ-XX001T X540LJ-XX014T X540LJ-XX015T X540LJ-XX044T
X540SA: X540SA-1A X540SA-1C X540SA-3F X540SA-3G X540SA-3H X540SA-XX012T
X540SA-XX020T X540SA-XX041D X540SA-XX041T X540SA-XX085T
X540SC: X540SC-1A X540SC-1C X540SC-3F X540SC-3G X540SC-3H
X540YA: X540YA-1A X540YA-1C X540YA-3F

Package Included:
1 x Replacement A31N1519 Laptop Battery for ASUS A540 F540 R540 X540 11.1V 2200mAh