vhbw 220 V power supply 7 W (10 V/0.7 A) for Lego Mindstorms Education EV3 battery module (45501), Lego Power Functions battery (8878) such as PS-593-01. : Amazon.nl: Toys & Games
Lego Mindstorms EV3 Rechargeable Battery 45501 + Charger 45517 - good used cond. | eBay
LEGO Infrarode EV3-zoeksensor 45509 – € 34,99
2022 nieuwe ev3-powerfuncties lithiumbatterij compatibel met logoes 45501 95656 diy educatieve bouwstenen deel - AliExpress