This is a brand new Asus N46 N56 N76 long run 9 cell battery. This battery ships fully tested and ready to go. This N56 battery is compatible with all versions of Windows including Windows XP, Windows Vista & Windows 7,8 and 10. This is the extended run, high capacity version of the Asus N56. It will stick out slightly from the rear. If you're looking for the 6 cell version go to our Asus N56 6 cell battery page.
Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.
You can expect about 4 hours of run time with this Asus N56 long run battery when new, depending on your energy use
