Electrical adapters; Battery chargers; Chargers for electric batteries; Battery packs; Portable power packs; Power banks for electronic devices; Electronic circuit boards; Printed circuit boards (PCBs); Development boards, namely, microcontroller boards and prototyping boards; electronic building kits comprising printed circuit boards (PCBs), batteries, battery charger, resistors, capacitors, inductors, diodes, and transistors
Electrical and Scientific Apparatus