Mitsubishi Electric MELSERVO-J4 Series Transition Handbook page 644

Part 9: Review on Replacement of Optional Peripheral Equipment
(a) Assembling a battery unit
CAUTION
1) Required items
2) Disassembly and assembly of the battery case MR-BT6VCASE
a) Disassembly of the case
MR-BT6VCASE is shipped assembled. To mount MR-BAT6V1 batteries, the case needs to be
disassembled.
Threads
Do not mount new and old batteries together.
When you replace a battery, replace all batteries at the same time.
POINT
Always install five MR-BAT6V1 batteries to an MR-BT6VCASE battery case.
Product name
Battery case MR-BT6VCASE
Battery MR-BAT6V1
Remove the two screws using a
Phillips screwdriver.
Cover
Remove the cover.
Model
Quantity
1 MR-BT6VCASE is a case used for connecting and
mounting five MR-BAT6V1 batteries.
5 Lithium battery (primary battery, nominal + 6 V)
CON2
CON3
CON1
CON4
CON5
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Remark
Parts identification
BAT1
BAT2 BAT3
BAT4 BAT5