ABLEGRID AC DC Adapter For LEGO 8878 Power Functions Rechargeable Battery Box Power Supply Cord Cable PS Wall Home Charger Input: 100-240 VAC 50/60Hz Worldwide Voltage Use Mains PSU - Newegg.com
LEGO Power Functions AAA Battery Box 88000
LEGO PART 84599 Battery Box, Power Functions, with Dark Bluish Gray Bottom [Rechargeable] | Rebrickable - Build with LEGO
Amazon.com: LEGO Power Functions Train Motor 88002 : Toys & Games