A small Phillips head screwdriver is all you will need to open up the case and replace the battery. This Alienware YXKC battery is rated 14. 8 volts and 51 Whr and will normally last 4-5 hours on a full charge. This YXKC battery is 100% compatible with the original battery specifications and is individually tested and backed by a 1 year warranty.

You can expect about 4 – 5 hours of run time with this YXKC battery when new, depending on your energy use.