Gemäß einem Verfahren zum gekoppelten Betrieb eines ersten Elektrogeräts (2, 4), das mittels eines ersten Akkupacks (3, 5) betreibbar ist, und eines zweiten Elektrogeräts (2, 4), das mittels eines zweiten Akkupacks (3, 5) betreibbar ist, wird eine Aktivierung des ersten Elektrogeräts (2, 4)…
Systems and methods for implementing a plurality of temperature sensors in power tools. An example power tool includes a first electrical component, a second electrical component, and an indication device. The power tool includes a first temperature sensor configured to sense a temperature of the…
A battery pack includes: a battery pack housing; a cell group including multiple cells and accommodated in the battery pack housing; and a monitoring device configured to monitor an ambient temperature at one temperature measurement point or an ambient temperature at each of multiple temperature…
Provided is an energy supply device for supplying power to a power tool. The energy supply device includes a housing detachably connected to the power tool in a mating manner and supported by the power tool; multiple cells supported by the housing of the energy supply device; a charging terminal…
One aspect of the present disclosure is a battery pack that supplies electric power to an electric work machine, comprising a first battery-signal terminal and a second battery-signal terminal. The first battery-signal terminal outputs, to the electric work machine, a first signal indicating that…
A method of operating a power tool (10) having a motor (100) and a controller (232) during a start-up period of the power tool (10), the start-up period having a plurality of intervals is provided, the power tool (10) receiving electric power from a removable battery pack (16). The method includes…
This application relates to the technical field of electric tools, and particularly discloses a data transmission system, a power supply apparatus and an external device. The system includes a battery pack and an external device. A first level shifter module in the battery pack carries out data…
A power tool comprises a housing and an electrical power source. A control circuit is electrically connected to the electrical power source and configured to control at least one operation of the power tool. A power tool condition indication circuit is electrically connected to the control circuit…
The present application provides power supply control circuits, power tools, and power tool systems. The power supply control circuit includes: a main control chip module connected to battery packs; control circuits connected in parallel and connected to the main control chip module and provided on…
Provided are a power tool and a power tool system. The power tool includes a power tool body. The power tool body is configured to be adapted to at least a first battery pack having a first nominal voltage and a first output terminal set and a second battery pack having a second nominal voltage and…
Control method for a rechargeable battery that has an interface for communicating with a handheld power tool and for supplying power to the handheld power tool, wherein a machine characteristic value characterizing the handheld power tool is received via the interface of the rechargeable battery…
Bei einem Verfahren zur Projektunterstützung bei der Nutzung eines Elektrogeräts mit einem Akkupack (1) werden auf einem Datenspeicher (3) des Akkupacks (1) Projektdaten betreffend wenigstens einen Teil einer Sequenz von Projektschritten gespeichert, wobei die Projektdaten für jeden Projektschritt…
Ein Akkupack (1) für ein Elektrogerät aufweisend- einen Datenspeicher (3), der Projektdaten betreffend eine vordefinierte Sequenz von Projektschritten speichert, wobei die Projektdaten für jeden Projektschritt der Sequenz Benutzerinformationen beinhalten;- eine Steuereinheit (4), die dazu…
A battery connector, an electrical combination and methods. The electrical combination may include a battery connector including a housing with a support portion for a battery pack, and a circuit supported by the housing, the circuit including a universal serial bus (USB) input terminal connectable…
A device for supplying a power tool with electrical energy is provided. The device has a load resistor for absorbing electrical energy, which may be in particular electrical energy that is produced or released when a power tool or its tool is braked. In addition, the released braking energy can be…
Systems and methods for remote power tool control are provided. In one example, a battery pack is coupled to a power tool device. The battery pack includes a pack transceiver and a pack electronic processor. The pack electronic processor is coupled to the pack transceiver and is configured to…
A battery-operated handheld power tool () having a receiving bay () for releasably receiving at least one battery unit () is proposed. The receiving bay () has at least four electrical contacts (K-K) for making contact with at least four corresponding contacts of the at least one battery unit ()…
The invention relates to a power tool and battery pack assembly including a battery pack for connection with the power tool to provide power for the operation of the power tool when connected thereto. The battery pack includes a plurality of power cells and connection means are provided to allow…
A battery connector, an electrical combination and methods. The electrical combination may include a battery connector including a housing with a support portion for a battery pack, and a circuit supported by the housing, the circuit including a universal serial bus (USB) input terminal connectable…
To attain further rationalization in a power tool in which a tool bit is driven by an engine. During driving of the saw chain 105, when the user returns a throttle lever 135 to its initial position by releasing only the throttle lever 135 while keeping pressing a throttle lock lever 136, or when…
A chain saw (100) as a power tool which has an engine (111) and an electric motor (141) is provided. The chain saw (100) comprises a driving shaft (131) which is adapted to drive a saw chain (105), a controller (139) which controls the electric motor (141), and a driving source which provides…
A driving control circuit (20) includes a step-up/down circuit (25) provided in the previous stage of a regulator (26) which generates an operation voltage (V3) of a control circuit (30). The step-up/down circuit (25) performs a step-up or step-down operation in accordance with the voltage supplied…
An adapter includes a converter unit which increases at least one of voltage and current outputted from a battery pack and supply the increased the voltage and/or the current to a load, and a characteristic detection unit which detects at least one of the voltage outputted from the battery pack…
An electric power tool is powered by a plurality of rechargeable battery cells and configured to removably receive respective rechargeable battery cells individually. The electric power tool may preferably include a monitor circuit that monitors states of respective battery cells, and an indicator…
The tool (1) has a housing accommodating a battery pack (10) and a housing wall and an edge. An electrical load (3) is fed by the battery pack. An electrical connecting cable (12) connects the electrical load to the battery pack. The housing is configured as a backpack-type component, which is…
In an electric tool of the type whose handle portion to be grasped by the user is loaded with a battery pack, the sectional configuration of the handle portion may be one making the grasping rather difficult depending upon the way a plurality of battery cells are arranged. The present invention…
An electric power tool includes a main body provided with a drive unit and a power supply pack detachably attached to the main body and provided with a power supply unit serving as a power source for the drive unit. A first power supply pack in which a secondary battery is used as the power supply…
A power supply device for electric power tool is provided with: an adapter configured to be electrically connected to an electric power tool; a fuel cell configured to generate an electric power to be supplied to the electric power tool through the adapter, by causing an oxidation reaction between…
An internal temperature estimation unit, which reads a detected temperature of a cell of a battery for an electric power tool to estimate an internal temperature of the battery based on the detected temperature, includes: an initial-value setting device which reads, when a discharge/charge of the…
The device (10) has an energy storage unit (12) comprising rechargeable storage cells (14-20) i.e. galvanic cells, and a fuel storage unit (22) i.e. lubricant storage unit, for storing fuel that is different from fuel in the storage cells. The fuel storage unit comprises a fuel valve (24) that…