Hi qasimidl, Welcome to the Community, Every Dell laptop battery has a specific battery PPID (Dell Part Piece Identification) printed on it as shown below :  [IMAGE] You may post that five digit part number on your system battery as highlighted above and I will check and confirm if that battery is for your system.  Thank You
i bought dell ( n5110 )  i5 2nd generation in slightly used please tell me how can i check its battery is original or not ?  
how to check ,battery is original or not in dell n5110 i5 laptop