Electric 9V Battery Box Small Assembly : Part 4760c01 | BrickLink
Battery Pack And USB Splitter For Lego Lighting – Lightailing
Batteries and Battery packs
Batteries and Battery packs
Amazon.com: LEGO Power Functions Train Motor kit Including IR Receiver, Remote & Battery Box : Toys & Games
Sets that have x468: Electric 4.5V Battery Box 6 x 11 x 3 & 1/3
Amazon.com: DooQi CADA Technik Power Function Kit for Technical Cars, Including 3 Motors, LEDs, Battery Box and 2.4 Ghz Remote Control (Compatible with Many Models Such As Lego CADA) (S059-001) : Toys
Power Functions Battery Box & Mindsensors' NXTServo