A battery pack includes a housing, a plurality of rechargeable battery cells, a connection interface, a near-field communication (NFC) reader, a battery management system, and a communication gateway. The connection interface is in communication includes a plurality of data pins, a positive terminal, and a negative terminal. The battery management system is in communication with the NFC reader and is configured to receive information from the NFC reader including an NFC tag identification, then retrieve stored parameters corresponding to the NFC tag identification, and configure at least one of the plurality of data pins based upon the stored parameters corresponding to the NFC tag identification.

A battery pack includes a housing, a plurality of rechargeable battery cells, a connection interface, a near-field communication (NFC) reader, a battery management system, and a communication gateway. The connection interface is in communication includes a plurality of data pins, a positive terminal, and a negative terminal. The battery management system is in communication with the NFC reader and is configured to receive information from the NFC reader including an NFC tag identification, then retrieve stored parameters corresponding to the NFC tag identification, and configure at least one of the plurality of data pins based upon the stored parameters corresponding to the NFC tag identification.

The disclosure relates to a rechargeable battery pack for a hand-held power tool, having an interface for establishing an electrical connection of the rechargeable battery pack to a hand-held power tool and/or a charging device. The interface has contact elements for electrically contacting corresponding mating contact elements on the hand-held power tool and/or on the charging device. One contact element is a signal contact element which is electrically connected to an encoder element of the rechargeable battery pack. A rechargeable battery pack electronics is configured to provide information relating to the rechargeable battery pack via the signal contact element, said information relating to the rechargeable battery pack being stored, at least in part, in the at least one encoder element, wherein in the rechargeable battery pack electronics, the encoder element is connected, in an electric parallel circuit, in parallel with a dynamic current path.

The disclosure relates to a rechargeable battery pack for a hand-held power tool, having an interface for establishing an electrical connection of the rechargeable battery pack to a hand-held power tool and/or a charging device. The interface has contact elements for electrically contacting corresponding mating contact elements on the hand-held power tool and/or on the charging device. One contact element is a signal contact element which is electrically connected to an encoder element of the rechargeable battery pack. A rechargeable battery pack electronics is configured to provide information relating to the rechargeable battery pack via the signal contact element, said information relating to the rechargeable battery pack being stored, at least in part, in the at least one encoder element, wherein in the rechargeable battery pack electronics, the encoder element is connected, in an electric parallel circuit, in parallel with a dynamic current path.

The energy storage system includes battery cells, a subrack, a backplane, and a battery management system BMS. The subrack reserves a plurality of battery cell slots, the battery cells are connected to the backplane through the battery cell slots. The backplane is installed in the subrack, a first power terminal is reserved at a position corresponding to the battery cell slot on the backplane, and a plug-in power terminal is formed by a second power terminal of the battery cell together with the first power terminal. A power circuit, a sampling circuit, and an equalizer circuit are integrated into the backplane, and the power circuit, the sampling circuit, and the equalizer circuit are connected after the second power terminal is plugged and docked with the first power terminal. The BMS is connected to the backplane for managing the energy storage system.

The energy storage system includes battery cells, a subrack, a backplane, and a battery management system BMS. The subrack reserves a plurality of battery cell slots, the battery cells are connected to the backplane through the battery cell slots. The backplane is installed in the subrack, a first power terminal is reserved at a position corresponding to the battery cell slot on the backplane, and a plug-in power terminal is formed by a second power terminal of the battery cell together with the first power terminal. A power circuit, a sampling circuit, and an equalizer circuit are integrated into the backplane, and the power circuit, the sampling circuit, and the equalizer circuit are connected after the second power terminal is plugged and docked with the first power terminal. The BMS is connected to the backplane for managing the energy storage system.

A battery includes: a casing that includes a plurality of exterior faces having outer faces facing mutually-different directions and has an arrangement concave part formed; a cell that is housed inside the casing; and a connector that includes a connection terminal connected to an electrode terminal of a connection apparatus and is arranged in the arrangement concave part, in which a face forming the arrangement concave part of the casing is formed as a concave part forming face, and the concave part forming face is present between the exterior faces and the connector.

An example of a battery apparatus (10) is provided including: a housing (12) with a connection arrangement (24); a plurality of interoperable battery cartridges (36) removably fittable to the housing (12) to connect with the connection arrangement (24) to form a stack; at least one battery interface arrangement (17) adapted to be removably fitted to the housing (12) to connect with the connection arrangement (24) so as to be in communication with a selection of the plurality of interoperable battery cartridges (26) via the connection arrangement (24). Examples of battery cartridges (36), a system (5) including one or more battery apparatuses (10), and associated example methods are also disclosed.

A battery pack including a plurality of battery cells arranged along a first direction; a holder, the holder including terminal holes exposing terminals of the battery cells, and pairs of first plates separated from each other between adjacent terminal holes and pairs of elastic pieces that are bent from the pairs of first plates in opposite directions along the first direction; and bus bars, each of the bus bars including coupling portions at opposite sides thereof and coupled to adjacent terminal holes, and a central bent portion connecting the coupling portions and extending around corresponding pairs of elastic pieces to surround the corresponding pairs of elastic pieces.

A battery pack including a plurality of battery cells arranged along a first direction; a holder, the holder including terminal holes exposing terminals of the battery cells, and pairs of first plates separated from each other between adjacent terminal holes and pairs of elastic pieces that are bent from the pairs of first plates in opposite directions along the first direction; and bus bars, each of the bus bars including coupling portions at opposite sides thereof and coupled to adjacent terminal holes, and a central bent portion connecting the coupling portions and extending around corresponding pairs of elastic pieces to surround the corresponding pairs of elastic pieces.