LEGO Electric 9V Battery Box 4 x 8 x 2.333 Cover with "POLICE" (4760) | Brick Owl - LEGO Marketplace
LEGO Yellow Electric 9V Battery Box 4 x 8 x 2.3 with Bottom Lid | Brick Owl - LEGO Marketplace
Lego Train Bricks Powered UP Hub Bluetooth AAA Battery Pack Receiver 88009 NEW 673419309097 | eBay
Bricker - Part LEGO - 4760c01pb03 Electric 9V Battery Box Small Complete Assembly with LL-6482 Pattern
LEGO White Electric 9V Battery Box 4 x 8 x 2.333 Cover with "9V" | Brick Owl - LEGO Marketplace
Build your LiPo rechargeable battery for Control+ and Powered Up hubs. - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
Lego 9 Volt Power Battery box Box 2847 | eBay
Batteries and Battery packs
BrickLink - Part 4760 : LEGO Electric 9V Battery Box Small [Electric, Battery Box] - BrickLink Reference Catalog
How to modify your Lego Technic Battery Box. Save on Batteries! More Power! - YouTube
Sets that have x1686cx1: Electric 9V Battery Box with Pinholes and Red Switch
For LEGOING Technic Power Functions AAA Battery Box Case 88000 Building Blocks | eBay
Flix-Brix.de - LEGO® Ersatzteile, Einzelsteine, Minifiguren und Sets (FlixBrix)
BrickLink - Part 87513c02 : LEGO Electric 9V Battery Box Power Functions (Non-Rechargeable) with Red Bottom [Electric, Battery Box] - BrickLink Reference Catalog