See if the upper part of the module is equipped with a latch. This means it is fixed and follow these instructions to disassemble a battery from the battery module.

1. Locate a small hexagonal wrench or screwdriver.

Place the tool in the small hole on the right hand side.

2. Simultaneously push the release button.

3. Remove the tool, while still pressing the release button.

4. Continue to keep the button pressed until the battery pops out.

5. Pull out the battery module.

Servo-i Service Manual 4-18.