This brand new AlienWare Y3PN0 battery for the Alienware M14 A14 M14 M14X R3 R4 laptops. This Y3PN0 battery is only compatible with the M14x R3 and R4 models.
This Alienware Y3PN0 battery is an internal or integrated battery and you will need to unscrew the back case in order to install the new battery. A small phillips head screwdriver is all you will need to open up the case. Li-ion battery technology provides longer run times with less weight. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This laptop battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 1 year warranty.