901247-855, 901307-541, HSN-I07C, HSTNN-UB7E, J104XL, JI04047XL, JI04XL. For HP EliteBook X2 1012 G2 Series. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.
eBay