Mitsubishi Electric MELSERVO-JET User Manual page 83

4.
Hook the lid to the tabs on the case, then push the two parts of the case together so that tab clips into lock.
Locking part
Hooks
5.
Connect the built-in battery connector to the built-in battery connector of the battery.
Tab
Lid
6 OPTIONS AND PERIPHERAL EQUIPMENT
6
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6.5 Battery