Dell Latitude 3300 Owner's Manual page 66

2 Insert the battery into the slot on the computer [1] and align the battery and the screw hole on the palmrest [2].
3 Install the battery support bracket [1] and install the two M2.0xL3 securing the battery to the palmrest [2].
4 Install the metallic bracket [3] and the single M2.0xL3 screw to retain the battery [4] to the palmrest.
66 Disassembly and reassembly