1. Ensure the power cable is disconnected from the charger.
2. Select the correct adapter module(s) for the battery(s) you
want to charge in one or both of the bays.
3. Position the battery plug access hole and the hole below it
over the two adapter guides on the battery charger base (see
Figure 4). Rest the adapter on the charger base, aligned with
the two adapter guide holes.
4. Slide the adapter toward the front of the battery charger
until the adapter lock snaps into the slot at the rear of the
Battery Adapter Module
Adapter Module Lock
Battery Plug Access
Battery Charger Base
Figure 4. Installing a module, top view