Lego Power Functions Infrared Remote/IR Receiver, AAA Battery Box & Train Motor | #534297864
LEGO® 4578042 - 4638959 - 6116239 87513c01
LEGO Power Functions Rechargeable Battery Box 8878 - Walmart.com
Power Functions AAA Battery Box - LEGO set #88000-1 (Building Sets)
LEGO Powered Up questions & answers
Batteries and Battery packs
BrickLink - Part 87513c01 : LEGO Electric 9V Battery Box Power Functions (Non-Rechargeable) with Dark Bluish Gray Bottom [Electric, Battery Box] - BrickLink Reference Catalog
Power Functions AAA Battery Box LEGO - Power Functions (88000) - from Sort It Apps
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