Intermec PB22 User Manual page 13

Chapter 1 — Using the PB22/PB32 Portable Label and Receipt Printer
2 Insert the battery with the tab facing away from the front control
3 Insert the edge of the battery under the lip of the PB22/PB32 and
8
panel.
then push down until you hear the battery latch click.
PB22/PB32 Porotable Label and Receipt Printer User's Guide