Get longer battery life and improved performance with a new high capacity AlienWare 15 R3 R4 Battery. This battery is compatible with the 9NJM1 battery part numbers.
This is the correct battery if you have a 15" screen (measured diagonally) and you have the R3 model or (Revision 3 / 3rd generation PC). You can double check you have the correct battery by checking the part number listed on the original battery. It should match with one from the list below. Don't see yours? Go to our Alienware battery page for the complete catalog. This is the extended run version of this battery. If you're looking for the standard 68Wh, go to our Alienware 15 r3 44T2R battery.
NOTE: This battery is not the correct battery for the Alienware M15x R1 or R2 models (revision 1 or 2). Here you can find the Alienware M15x r1 and r2 battery.
This 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. This Alienware 15 R3 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 1 year warranty.
