Power supplies for lights, sirens and public address systems; Power supply connectors and adaptors for use with portable electronic devices; Battery power supplies for medical ventilators; Carrying cases, holders, protective cases and stands featuring power supply connectors, adaptors, speakers and battery charging devices, specially adapted for use with handheld digital electronic devices, namely, power stations; Electronic power supplies for driving electric motors; High-voltage power supplies; Low-voltage power supplies; Uninterruptible electrical power supplies
Electrical and Scientific Apparatus