Abstract: An electrical device that is supplyable with electrical energy via a supply line includes an internal functional unit for transmitting data. The internal functional unit is configured to modulate data onto the supply line and/or to demodulate data from the supply line. The electrical device is a power tool or a vacuum cleaning apparatus or a water-management device or a feed apparatus or a charger.

Abstract: A system includes a battery pack to receive power tool operating information and to gather battery pack operating information. The system also includes a charger module to removably couple with the battery pack to charge or recharge the battery pack via a first interface. The charger module receives a portion of the power tool operating information and/or a portion of the battery pack operating information via the first interface. The system also includes a communications device disposed within a housing of the charger module. The communications device transmits the received information to a cloud-based computing device.

Abstract: A system includes a battery pack to receive power tool operating information and to gather battery pack operating information. The system also includes a communications module having a first interface and a second interface. The communications module removably couples with the battery pack via the first interface, and the communication module receives a portion of the power tool operating information and/or a portion of the battery pack operating information via the first interface. The communications module transmits the received information to a cloud-based computing device via a cellular transceiver.

Abstract: A system includes a communications module having a first interface and a second interface. The first interface is on an opposite surface of the communications module from the second interface. The system also includes a battery pack to receive power tool operating information, where the battery pack removably couples with the communications module via the second interface. The battery pack transfers a portion of the power tool operating information and/or a portion of battery pack operating information to the communications module via the second interface. The system also includes a charger module to removably couple with the communications module via the first interface, where the charger module recharges the battery pack through the first and second interfaces of the communications module.

Abstract: A system includes a battery pack to receive power tool operating information and to gather battery pack operating information. The system also includes a communications module having a first interface and a second interface. The communications module removably couples with the battery pack via the first interface, and the communication module receives a portion of the power tool operating information and/or a portion of the battery pack operating information via the first interface. The communications module transmits the received information to a cloud-based computing device via a cellular transceiver.