Specification:
Battery type: Li-ion
Voltage: 11.1V (Compatible with 10.8V)
Capacity: 5200mAh
Cell: 6 Cells
recharge cycles: 500
Operation time: Around 2-3 hours

Compatible Models：( Ctrl + F for fast search ur laptop model)
FOR DELL XPS 14 Series(All)
FOR DELL XPS L401x Series
FOR DELL XPS 15 Series(All)
FOR DELL XPS L501x Series 
FOR DELL XPS L502x Series
FOR DELL XPS 17/17 3D Series(All)
FOR DELL XPS L701x Series
FOR DELL XPS L701x 3D Series
FOR DELL XPS L702x Series
FOR DELL XPS L721x Series
FOR DELL XPS 15 Series
FOR DELL XPS 15-1591 Series
FOR DELL XPS 1591 Series

Compatible Part Numbers：
312-1123 312-1127 453-10186 J70W7 JWPHF R795X WHXY3