US20220069401A9 - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- US20220069401A9 US20220069401A9 US17/157,464 US202117157464A US2022069401A9 US 20220069401 A9 US20220069401 A9 US 20220069401A9 US 202117157464 A US202117157464 A US 202117157464A US 2022069401 A9 US2022069401 A9 US 2022069401A9
- Authority
- US
- United States
- Prior art keywords
- circuit board
- printed circuit
- battery pack
- battery
- low pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 48
- 239000003990 capacitor Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the battery pack includes a plurality of battery cells, a cell holder, and a printed circuit board coupled to the cell holder.
- a removable and rechargeable battery pack includes a housing.
- the housing holds and includes a plurality of battery cells.
- the housing may also include a mechanical interface for coupling to an associated electrical device such as a power tool.
- the interface typically includes a plurality of slots or openings that allows battery pack electrical terminals to mechanically and electrically mate with corresponding electrical device electrical terminals.
- the battery cells are held together, at least in part, by a battery cell holder and electrically coupled to the battery pack electrical terminals.
- the battery pack also includes a printed circuit board.
- the printed circuit board may be coupled to the battery cell holder, simply held against the battery cell holder or floating relative to the battery cell holder.
- the battery pack also includes a plurality of components coupled to the printed circuit board.
- low pressure molded (LPM) material may be used.
- LPM material works best if the electronics and PCB are completely encapsulated and enclosed. LPM material does not reliably adhere to exposed edges or flat surfaces. If the LPM material is not adequately adhered to the printed circuit board moisture or debris may seep in between the LPM material and the printed circuit board. This may cause damage to certain electronic components (such as resistors, integrated circuit chips, capacitors, etc.) on the printed circuit board that are encapsulated and protected by the LPM material.
- the instant application describes an example battery pack for protecting various encapsulated components on a printed circuit board from moisture or debris.
- An aspect of the present invention includes a battery pack comprising a housing, a plurality of battery cells, a battery cell holder holding the plurality of battery cells, a printed circuit board, a plurality of components requiring exposure, the plurality of components affixed to the printed circuit board, a plurality of adhesion holes positioned to form a boundary about the plurality of components, a low pressure molded material applied to the printed circuit board such that the plurality of components are exposed and surrounded by the low pressure molded material; and the low pressure molded material having flowed through the plurality of adhesion holes.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material, wherein at least a portion of a boundary of the low pressure molded material is aligned with a subset of the plurality of adhesion holes.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material and the adhesion holes, wherein the adhesion holes have a diameter in a range of approximately 0.5 mm to approximately 2 mm.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material and the adhesion holes, wherein the adhesion holes have a diameter of approximately 1 mm.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material and the adhesion holes, wherein the distance between edges of adjacent adhesion holes is in a range of approximately 1 mm to approximately 3 mm.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material and the adhesion holes, wherein the distance between adjacent edges of adjacent adhesion holes is approximately 2 mm.
- An aspect of the present invention includes a battery pack comprising a housing, a plurality of battery cells, a battery holder holding the plurality of battery cells, a printed circuit board coupled to the battery holder, a plurality of elements associated with the printed circuit board, a plurality of adhesion holes positioned at least partially about the plurality of elements, a low pressure molded material applied to the printed circuit board such that the plurality of elements are exposed and the low pressure molded material flows through the plurality of adhesion holes.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material, wherein a subset of the plurality of adhesion holes are positioned along a portion of a boundary of the low pressure molded material.
- Implementations of this aspect may include one or more of the following features.
- FIG. 1 is an example of a battery pack in accordance with the present invention.
- FIG. 2 is an example of a printed circuit board in accordance with the present invention.
- FIG. 3 is an example of a top view of a battery pack in accordance with the present invention with a top housing removed.
- FIG. 4 is an isometric view of the battery pack of FIG. 3 .
- FIG. 5 is an isometric view of the printed circuit board and a plurality of battery cells of the present invention.
- a battery pack 10 includes an upper housing 12 and a lower housing 14 coupled to the upper housing 12 .
- the battery pack 10 includes a plurality of battery cells 15 and a battery cell holder 17 holding the plurality of battery cells 15 .
- the battery pack 10 includes a mechanical interface for coupling to an associated electrical device (not shown), for example a power tool or a battery charger.
- the interface includes a plurality of slots for providing access to a plurality of battery pack terminals 22 (described in more detail below). The slots allow for ingress of moisture and debris.
- the printed circuit board 18 may include a plurality of electronic components, such as processors, resistors and capacitors (not shown) that are susceptible to damage if contacted by moisture or debris. As such, it is desirable to encapsulate and enclose these components with LPM material 20 . There are other components or features on the printed circuit board 18 , such as battery pack terminals 22 , test points 24 , and battery strap holes 26 , that must be accessible to couple or mate with other components. As such, these components and features cannot be encapsulated with LPM material 20 . This results in boundaries of the LPM material 20 between components that are encapsulated and components/features that are not encapsulated.
- the LPM material 20 does not adhere well to the printed circuit board 18 exposed edges 28 or flat surfaces.
- the printed circuit board 18 includes a plurality or array of adhesion holes 30 .
- the adhesion holes 30 are positioned at the boundaries of the LPM material 20 .
- the adhesion holes 30 enable the LPM material 20 to flow through the printed circuit board 18 .
- the LPM material 20 wraps around the printed circuit board 18 providing improved adhesion to the printed circuit board 18 .
- the adhesion holes 30 are positioned, for example, around a plurality of battery strap holes 26 .
- Each of the plurality of battery strap holes 26 receive an end of a battery strap 32 .
- the adhesion holes 30 are also positioned, for example, around the plurality of battery pack terminals 22 .
- the adhesion holes 30 are also positioned, for example, around the plurality of test points 24 and the fuses 34 .
- FIGS. 3, 4 and 5 illustrate the LPM material 20 applied to the printed circuit board 18 .
- the LPM material 20 surrounds but does not encapsulate, for example, the battery strap holes 26 and the ends of the battery straps 32 that extend through the battery strap holes 26 or the battery pack terminals 22 or the fuses 34 or the test points 24 .
- the adhesion holes 30 are positioned along the boundary or border of the LPM material 20 around the various exposed components. The positioning (positions) of the adhesion holes 30 enables the LPM material 20 to flow through the printed circuit board 18 at the boundary of the LPM material 20 . This enables the LPM material 20 to grab or adhere to the printed circuit board 18 .
- the improved adhesion of the LPM material 20 to the printed circuit board 18 prevents water and other debris from penetrating or infiltrating between the LPM material 20 and the printed circuit board 18 . This prevents the water or other debris from contaminating any components encapsulated by the LPM material 20 .
- the plurality of adhesion holes 30 in the printed circuit board 18 allow LPM material 20 to pass from a first side of the printed circuit board 18 to a second side of the printed circuit board 18 .
- the LMP material is able to wrap or grab the printed circuit board 18 for improved adhesion.
- Providing an array of periodic adhesion holes 30 along the boundaries or edges of the LPM material 20 improves adhesion of the LPM material 20 to printed circuit board 18 .
- the adhesion holes 30 have a diameter in the range of approximately 0.5 mm to approximately 2 mm. In another embodiment, the adhesion holes 30 have a diameter of approximately 1 mm. In one embodiment, the distance between edges of adjacent adhesion holes 30 is in a range of approximately 1 mm to approximately 3 mm. In another embodiment, the distance between adjacent edges of adjacent adhesion holes 30 is approximately 2 mm.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Computer Hardware Design (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
- This application claims priority under 35 U.S.C. § 119(e) to U.S. Provisional Patent Application No. 62/966,623, filed Jan. 28, 2020, titled “Battery Pack” and claims priority under 35 U.S.C. § 120 to PCT Patent Application Number PCT/US2019/46530, filed Aug. 14, 2019, entitled, “Pass Through Terminal Design,” which claims priority to U.S. Provisional Patent Application No. 62/718,884, filed Aug. 14, 2018, entitled, “Pass Through Terminal Design,” which are all incorporated herein by reference.
- This application relates to a battery pack and a method for manufacturing a battery pack. In one implementation, the battery pack includes a plurality of battery cells, a cell holder, and a printed circuit board coupled to the cell holder.
- A removable and rechargeable battery pack includes a housing. The housing holds and includes a plurality of battery cells. The housing may also include a mechanical interface for coupling to an associated electrical device such as a power tool. The interface typically includes a plurality of slots or openings that allows battery pack electrical terminals to mechanically and electrically mate with corresponding electrical device electrical terminals. The battery cells are held together, at least in part, by a battery cell holder and electrically coupled to the battery pack electrical terminals. The battery pack also includes a printed circuit board. The printed circuit board may be coupled to the battery cell holder, simply held against the battery cell holder or floating relative to the battery cell holder. The battery pack also includes a plurality of components coupled to the printed circuit board. It is not uncommon for moisture or debris such as metal shavings to enter the battery pack housing through the plurality of slots. The moisture or debris may come into contact with the one or more of the plurality of components on the printed circuit board. This may cause short circuits or other problems with the battery pack. As such, it is desirable to encapsulate or enclose the portions of the printed circuit board to protect the components from the moisture or debris.
- In order to encapsulate or enclose portions of the printed circuit board, low pressure molded (LPM) material may be used. LPM material works best if the electronics and PCB are completely encapsulated and enclosed. LPM material does not reliably adhere to exposed edges or flat surfaces. If the LPM material is not adequately adhered to the printed circuit board moisture or debris may seep in between the LPM material and the printed circuit board. This may cause damage to certain electronic components (such as resistors, integrated circuit chips, capacitors, etc.) on the printed circuit board that are encapsulated and protected by the LPM material.
- The instant application describes an example battery pack for protecting various encapsulated components on a printed circuit board from moisture or debris.
- An aspect of the present invention includes a battery pack comprising a housing, a plurality of battery cells, a battery cell holder holding the plurality of battery cells, a printed circuit board, a plurality of components requiring exposure, the plurality of components affixed to the printed circuit board, a plurality of adhesion holes positioned to form a boundary about the plurality of components, a low pressure molded material applied to the printed circuit board such that the plurality of components are exposed and surrounded by the low pressure molded material; and the low pressure molded material having flowed through the plurality of adhesion holes.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material, wherein at least a portion of a boundary of the low pressure molded material is aligned with a subset of the plurality of adhesion holes.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material and the adhesion holes, wherein the adhesion holes have a diameter in a range of approximately 0.5 mm to approximately 2 mm.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material and the adhesion holes, wherein the adhesion holes have a diameter of approximately 1 mm.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material and the adhesion holes, wherein the distance between edges of adjacent adhesion holes is in a range of approximately 1 mm to approximately 3 mm.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material and the adhesion holes, wherein the distance between adjacent edges of adjacent adhesion holes is approximately 2 mm.
- An aspect of the present invention includes a battery pack comprising a housing, a plurality of battery cells, a battery holder holding the plurality of battery cells, a printed circuit board coupled to the battery holder, a plurality of elements associated with the printed circuit board, a plurality of adhesion holes positioned at least partially about the plurality of elements, a low pressure molded material applied to the printed circuit board such that the plurality of elements are exposed and the low pressure molded material flows through the plurality of adhesion holes.
- Another aspect of the present invention includes the printed circuit board and the low pressure molded material, wherein a subset of the plurality of adhesion holes are positioned along a portion of a boundary of the low pressure molded material.
- Implementations of this aspect may include one or more of the following features.
- These and other advantages and features will be apparent from the description and the drawings.
-
FIG. 1 is an example of a battery pack in accordance with the present invention. -
FIG. 2 is an example of a printed circuit board in accordance with the present invention. -
FIG. 3 is an example of a top view of a battery pack in accordance with the present invention with a top housing removed. -
FIG. 4 is an isometric view of the battery pack ofFIG. 3 . -
FIG. 5 is an isometric view of the printed circuit board and a plurality of battery cells of the present invention. - Referring to
FIG. 1 , in an example embodiment, abattery pack 10 includes anupper housing 12 and alower housing 14 coupled to theupper housing 12. Thebattery pack 10 includes a plurality ofbattery cells 15 and a battery cell holder 17 holding the plurality ofbattery cells 15. Thebattery pack 10 includes a mechanical interface for coupling to an associated electrical device (not shown), for example a power tool or a battery charger. The interface includes a plurality of slots for providing access to a plurality of battery pack terminals 22 (described in more detail below). The slots allow for ingress of moisture and debris. - Referring to
FIG. 2 , there is illustrated an example of a printedcircuit board 18 in accordance with the present invention. The printedcircuit board 18 may include a plurality of electronic components, such as processors, resistors and capacitors (not shown) that are susceptible to damage if contacted by moisture or debris. As such, it is desirable to encapsulate and enclose these components withLPM material 20. There are other components or features on the printedcircuit board 18, such asbattery pack terminals 22,test points 24, andbattery strap holes 26, that must be accessible to couple or mate with other components. As such, these components and features cannot be encapsulated withLPM material 20. This results in boundaries of theLPM material 20 between components that are encapsulated and components/features that are not encapsulated. - As noted above, the
LPM material 20 does not adhere well to the printedcircuit board 18 exposededges 28 or flat surfaces. To address this shortcoming, the printedcircuit board 18 includes a plurality or array ofadhesion holes 30. Theadhesion holes 30 are positioned at the boundaries of theLPM material 20. Theadhesion holes 30 enable theLPM material 20 to flow through the printedcircuit board 18. As a result, theLPM material 20 wraps around the printedcircuit board 18 providing improved adhesion to the printedcircuit board 18. - As illustrated in
FIG. 2 , theadhesion holes 30 are positioned, for example, around a plurality ofbattery strap holes 26. Each of the plurality ofbattery strap holes 26 receive an end of abattery strap 32. Theadhesion holes 30 are also positioned, for example, around the plurality ofbattery pack terminals 22. Theadhesion holes 30 are also positioned, for example, around the plurality oftest points 24 and thefuses 34. -
FIGS. 3, 4 and 5 illustrate theLPM material 20 applied to theprinted circuit board 18. As illustrated, theLPM material 20 surrounds but does not encapsulate, for example, thebattery strap holes 26 and the ends of thebattery straps 32 that extend through thebattery strap holes 26 or thebattery pack terminals 22 or thefuses 34 or thetest points 24. Theadhesion holes 30 are positioned along the boundary or border of theLPM material 20 around the various exposed components. The positioning (positions) of the adhesion holes 30 enables theLPM material 20 to flow through the printedcircuit board 18 at the boundary of theLPM material 20. This enables theLPM material 20 to grab or adhere to the printedcircuit board 18. The improved adhesion of theLPM material 20 to the printedcircuit board 18 prevents water and other debris from penetrating or infiltrating between theLPM material 20 and the printedcircuit board 18. This prevents the water or other debris from contaminating any components encapsulated by theLPM material 20. - The plurality of adhesion holes 30 in the printed
circuit board 18 allowLPM material 20 to pass from a first side of the printedcircuit board 18 to a second side of the printedcircuit board 18. In other words, the LMP material is able to wrap or grab the printedcircuit board 18 for improved adhesion. Providing an array of periodic adhesion holes 30 along the boundaries or edges of theLPM material 20 improves adhesion of theLPM material 20 to printedcircuit board 18. - In one embodiment, the adhesion holes 30 have a diameter in the range of approximately 0.5 mm to approximately 2 mm. In another embodiment, the adhesion holes 30 have a diameter of approximately 1 mm. In one embodiment, the distance between edges of adjacent adhesion holes 30 is in a range of approximately 1 mm to approximately 3 mm. In another embodiment, the distance between adjacent edges of adjacent adhesion holes 30 is approximately 2 mm.
- Numerous modifications may be made to the exemplary implementations described above. These and other implementations are within the scope of this application.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/157,464 US11923557B2 (en) | 2018-08-14 | 2021-01-25 | Battery pack |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862718884P | 2018-08-14 | 2018-08-14 | |
PCT/IB2019/000960 WO2021181125A2 (en) | 2018-08-14 | 2019-08-14 | Power tool system |
US202062966623P | 2020-01-28 | 2020-01-28 | |
US17/157,464 US11923557B2 (en) | 2018-08-14 | 2021-01-25 | Battery pack |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2019/000960 Continuation-In-Part WO2021181125A2 (en) | 2018-08-14 | 2019-08-14 | Power tool system |
USPCT/US2019/046530 Continuation-In-Part | 2019-08-14 |
Publications (3)
Publication Number | Publication Date |
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US20210143506A1 US20210143506A1 (en) | 2021-05-13 |
US20220069401A9 true US20220069401A9 (en) | 2022-03-03 |
US11923557B2 US11923557B2 (en) | 2024-03-05 |
Family
ID=80357462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US17/157,464 Active 2040-04-04 US11923557B2 (en) | 2018-08-14 | 2021-01-25 | Battery pack |
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US (1) | US11923557B2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWD200632S (en) * | 2017-01-17 | 2019-11-01 | 澳門商創科 澳門離岸商業服&#x | Battery pack |
CA179453S (en) * | 2017-07-26 | 2020-10-09 | Wal Mart Stores Inc | Battery pack |
USD958061S1 (en) | 2017-07-26 | 2022-07-19 | Walmart Apollo, Llc | Battery pack |
USD988984S1 (en) * | 2017-11-30 | 2023-06-13 | Walmart Apollo, Llc | Battery pack |
USD981950S1 (en) * | 2019-02-27 | 2023-03-28 | Techtronic Floor Care Technology Limited | Battery |
USD950483S1 (en) * | 2019-08-01 | 2022-05-03 | Ridge Tool Company | Battery |
USD959363S1 (en) * | 2019-08-05 | 2022-08-02 | Ridge Tool Company | Battery |
USD987555S1 (en) * | 2019-11-13 | 2023-05-30 | Nanjing Chervon Industry Co., Ltd. | Battery pack |
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US20140050945A1 (en) * | 2012-08-15 | 2014-02-20 | Motorola Solutions, Inc. | Intrinsically safe battery pack |
WO2017110036A1 (en) * | 2015-12-24 | 2017-06-29 | 三洋電機株式会社 | Battery pack and method for manufacturing battery pack |
US20170365826A1 (en) * | 2016-06-20 | 2017-12-21 | Black & Decker Inc. | Battery packs and methods for manufacturing battery packs |
JP2018106796A (en) * | 2015-05-07 | 2018-07-05 | 三洋電機株式会社 | Battery pack and manufacturing method of battery pack |
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JP4913652B2 (en) | 2007-03-30 | 2012-04-11 | ソニー株式会社 | Battery pack |
DE102009012176A1 (en) | 2009-02-27 | 2010-09-02 | Andreas Stihl Ag & Co. Kg | Battery pack with monitoring electronics integrated in the housing cover |
JP5326940B2 (en) | 2009-08-27 | 2013-10-30 | 株式会社オートネットワーク技術研究所 | Circuit structure and electrical junction box |
GB2507916A (en) | 2011-07-24 | 2014-05-14 | Makita Corp | Hand-held power tools and battery packs therefor |
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US8852794B2 (en) | 2012-01-18 | 2014-10-07 | Battchange, Llc | Electric vehicle battery case |
CN204539996U (en) | 2015-03-27 | 2015-08-12 | Ac(澳门离岸商业服务)有限公司 | For electric power module and the electric tool of electric tool |
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KR102343471B1 (en) | 2020-05-12 | 2021-12-28 | 주식회사 아이티엠반도체 | Method of fabricating battery protection circuit package |
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US20140050945A1 (en) * | 2012-08-15 | 2014-02-20 | Motorola Solutions, Inc. | Intrinsically safe battery pack |
JP2018106796A (en) * | 2015-05-07 | 2018-07-05 | 三洋電機株式会社 | Battery pack and manufacturing method of battery pack |
WO2017110036A1 (en) * | 2015-12-24 | 2017-06-29 | 三洋電機株式会社 | Battery pack and method for manufacturing battery pack |
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Title |
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US20210143506A1 (en) | 2021-05-13 |
US11923557B2 (en) | 2024-03-05 |
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