Puredick 4rxfk C1jkh Battery for Dell Xps 14-l421x Ultrabook 14 L421x Series -12 Months Warranty[Li-ion 8-cell 14.8V 69Wh] Battery Type: Li-ion || Voltage: 14.8V || Capacity: 69Wh|| Color: Black||Cells: 8-cell Battery Type: Li-ion || Voltage: 14.8V || Capacity: 69Wh|| Color: Black||Cells: 8-cell Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. CE-/FCC-/RoHS certificated for safety,12 months warranty,professional technical support, efficient and always satisfied customer service 24 x 7 email support. Operation time:Same Battery life with Brand new original Dell battery.In reality, this will depend on the amount of electricity required by the device and how you use it