A system for utilizing renewable energy includes a rechargeable battery adapted to store energy, a solar panel device, and an inverter device. The solar panel device includes a solar panel adapted to receive sunlight and generate energy and a battery charger coupled to the solar panel. The battery charger is adapted to receive energy from the solar panel and store energy in the rechargeable battery. The inverter device includes a power outlet and is adapted to receive energy from the rechargeable battery and produce an electric current via the power outlet.

A rechargeable battery jump starting device having a highly conductive electrical pathway from a rechargeable battery of the device to a vehicle battery being jump started. The highly conductive pathway can be provided by a highly electrically conductive frame connecting one or more batteries of the rechargeable battery jump starting device to battery clamps of the rechargeable battery jump starting device.

In general, the subject matter of the disclosure relates to an orientation agnostic battery placement device. Connecting a battery in a reversed polarity configuration may cause the battery-powered electronic devices to not work or in some cases may even cause damage to the device itself. The disclosed orientation agnostic battery placement device includes a latch relay device that includes a first latch switch that electrically connects the first and second terminals of a battery compartment to the positive and negative electrical power connections of a load circuitry associated with the battery-powered electronic device respectively when the battery received within the battery compartment is in a first orientation and a second switch that electrically connects the first and second terminals of the battery compartment to the negative and positive electrical power connections of the load circuitry respectively when the battery received within the battery compartment is in a second orientation.

Provided are a charging circuit for a battery pack and a working system of a ship. The charging circuit includes a first switch circuit, a clamp gating circuit and a battery management circuit. The first switch circuit includes a first switch terminal, a second switch terminal and a switch control terminal. The clamp gating circuit includes a first clamp terminal, a second clamp terminal and at least one gating control terminal. The battery management circuit is configured to separately acquire charging voltages of multiple battery cells and a battery pack voltage between a first electrode and a second electrode in real time and control, according to the charging voltages and the battery pack voltage, a gating control signal supplied to each of the at least one gating control terminal and a switch control signal supplied to the switch control terminal.

A cordless battery-powered kitchen appliance system is provided. The system is comprised of a rechargeable battery, at least one battery-powered appliance, and a modular battery charging station. The rechargeable battery may comprise a current sensing circuit, voltage regulation circuitry, a pre-charge control mechanism, embedded temperature sensors, a state-of-charge estimator, and a communication interface. The battery further comprises a male connector formed of conductive terminals and digital communication lines. The charging station comprises one or more female charging ports with recessed or spring-loaded contacts configured to interface with the battery connector. The charging station includes physical and electrical interconnection features to support modularity, allowing multiple charging stations to be attached and powered from a single source through a power supply interface. The appliance comprises a receiving area with conductive contacts configured to receive the battery and establish electrical connectivity.

A batten-charger for a battery system is provided. The battery system may be adapted to provide power to a vehicle. The battery charger may comprise; a housing; a charger connector adapted to be connected with a mating connector of the battery system; memory storing executable instructions; and a processor in communication with the memory. The processor when executing the executable instructions may: determine that identification information from the battery system is received by the processor via the charger connector. After the identification information from the battery system is received, the processor may generate first information indicating that the battery charger is connecting with the battery system.

An electrical device, in particular in the form of a suction device (10) or a machine tool, with a housing (20) in which at least one electrical load, in particular an electric drive motor (11D), is arranged, wherein the electrical device has a power supply unit (80) with an energy storage receptacle (81), for the electrical power supply of the electrical load, in particular the drive motor (11D), in the interior of which at least two device interfaces (90A, 90B) for the detachable connection of a respective energy storage interface (190A, 190B) of an electrical energy storage (170A, 170B), in particular a battery pack, are arranged. The device interfaces (90A, 90B) are arranged on opposite side walls (83, 84) of the energy storage receptacle (81), so that the energy storages (170A, 170B) can be arranged on the device interfaces (90A, 90B) with mutually facing bottom walls (175).

A charging inlet assembly includes a housing extending between a front and a rear having a DC section configured for mating with a DC charging connector and an AC section configured for mating with an AC charging connector. The charging inlet assembly includes an AC charging module coupled to the rear of the housing at the AC section having an AC terminal holder holding AC terminals. The AC charging module is removable from the housing wherein the AC terminals are removed from the housing with the AC terminal holder. A DC charging module is coupled to the rear of the housing at the DC section having a DC terminal holder holding DC terminals. The DC charging module is removable from the housing wherein the DC terminals are removed from the housing with the DC terminal holder.

Methods and devices for wired charging and communication with a wearable device are described. In one embodiment, a symmetrical contact interface comprises a first contact pad and a second contact pad, and particular wired circuitry is coupled to the first and second contact pad to enable charging as well as receive and transmit communications via the contact pads as part of various device states.

A force assisted charging arrangement for supplying electrical energy to an electrical vehicle includes: a first set of bus bars arranged distant and fixed in respect to ground; a second set of bus bars having a first end and a second end, the first end being rotatably connected to the first set of bus bars so as to allow a rotation of the second end around a vertical rotation axis; a charging cable having a first charging cable end and a second charging cable end, the second charging cable end being connected to the second end of the second set of bus bars; and a charging connector connected to the first charging cable end.