HP Original HSTN-DB8S / 11.4 V 3420mAh

Quick overview from the supplier:

Battery HP Pavilion 14-CE, 14-CK, 14-CM, 15-DA, 15-DB, 15-CS, 15-CW, 17-CA, 17-BY, 14-DG, 14-DF, 14-CF, 15S-FQ 255 G7 HSTNN-LB8M HSTN-DB8S HT03XL 11.4 V 3420mAh Black Original