LEGO® Power Functions Battery Box 8881 | Other | Buy online at the Official LEGO® Shop US
LEGO Medium Stone Gray Power Functions Rechargeable Battery Box (64228 / 84599) | Brick Owl - LEGO Marketplace
LEGO® Power Functions AAA Battery Box 88000 | Other | Buy online at the Official LEGO® Shop US
BrickLink - Part 87513c02 : LEGO Electric 9V Battery Box Power Functions (Non-Rechargeable) with Red Bottom [Electric, Battery Box] - BrickLink Reference Catalog
4 Channel Rechargeable Battery Box Building Blocks APP RC Motor Power Function Bricks Toy Children Constructor - AliExpress Toys & Hobbies