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LEGO part 45539 - Black Electric, Train Speed Regulator 9V Power Adapter 230V 50Hz (Continental European ONTOP Version) at BrickScout
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Amazon.com: T POWER 10V Charger for Lego Mindstorms EV3 NXT 45517, 45501, 8878, 9693, 16523 Ac Dc Adapter Power Supply Cord : Electronics
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