Customer ServiceRest assured with 30 days Refund and 12 months Warranty; Note: return windows will close after one month, dont worry about it, you can click on seller store on right corner ask a question and contact seller directly Basic DetailsItem Model: 722KK; Battery Type: Li-ion; Voltage: 7.6V; Capacity: 52Wh/6500mAh ; Battery Color: Black Compatible P/N 722KK 02XXFW 2XXFW 0WN0N0 WN0N0 FP86V Compatible Laptop ModelsDell XPS 13 9300 9310 9380 (2020 Edition); Dell P117G P117G001 P117G002 Series Important Reminder: The following models are incompatible. Please do not purchaseNot fit for Dell XPS 13 OLED 9310 2-in-1 (2021) Series, Dell XPS 13 9380 (2019) 13.3" Series NoteThe package includes: 1*battery and 1*Instructions. Before purchasing, please open the back cover of the laptop to confirm the battery model and shape