LEGO Yellow Electric 9V Battery Box 4 x 8 x 2.3 with Bottom Lid | Brick Owl - LEGO Marketplace
LEGO® bb0892c01 6197586 - 6253628 - 6262033
LEGO part 87513c01 - Light Bluish Gray Electric 9V Battery Box Power Functions (Non-Rechargeable) with Dark Bluish Gray Bottom at BrickScout
LEGO 2847 9v battery box I found - Album on Imgur
LEGO Part 9V Battery Box Vintage Train Power Function Piece Grey 9 Volt | #1726478475
Sets that have x1686cx1: Electric 9V Battery Box with Pinholes and Red Switch
BrickLink - Part 4760c01pb07 : LEGO Electric 9V Battery Box Small with 'POLICE' Pattern on Both Sides (Stickers) - Set 6450 [Electric, Battery Box] - BrickLink Reference Catalog
LEGO® Power Functions Rechargeable Battery Box 8878 | UNKNOWN | Buy online at the Official LEGO® Shop US