TWM510009U - Wireless battery management system - Google Patents
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Description
本創作係屬於遠端監控設備電力狀態之技術領域，特別是關於一種低建置成本之無線電池管理系統，以允許使用者利用手持裝置內裝之應用程式對數量龐大的電力儲能器進行控管而降低管理成本及繁複度。This creation belongs to the technical field of remote monitoring device power status, especially for a low-cost wireless battery management system that allows users to control a large number of power storage devices using the built-in application of the handheld device. Reduce management costs and complexity.
至今，石化燃料雖仍是交通運輸工具的主要動力來源，但基於石化燃料為地球的有限資源、燃燒石油對生態環境所產生的汙染影響及溫室效應等問題的考量，目前，世界各國無不紛紛推舉出能源替代方案，以降低整體文明社會對於石化燃料的依賴性。舉例而言，漸受世人注目的電動車及電動機車等電動交通工具，即以電力取代石化燃料作為驅動能量，而其發展關鍵不意外地為電力儲能器的產品性能及電力管理技術，因此，現行電動交通工具已普遍設置有至少由微控制器、類比數位轉換器、運算放大器、電阻及切換開關所構成的電池管理系統(Battery Management System,BMS)，以供即時監測電力儲能器的運作狀態，諸如電池電壓、電流、溫度、連續工作時間、最大放電量及充放電次數等，且允許銷售廠商或維修廠商利用一專屬連接器或專屬排線插接至電池管理系統後讀取上述監測值而獲知是否需進行電力儲能器的修護或更新作業。So far, fossil fuels are still the main source of transportation tools, but based on the limited resources of fossil fuels, the pollution impact of burning oil on the ecological environment and the greenhouse effect, at present, all countries in the world are all Energy alternatives are proposed to reduce the dependence of the overall civil society on fossil fuels. For example, electric vehicles such as electric vehicles and electric motor vehicles, which are attracting attention from the world, use petroleum instead of fossil fuel as driving energy, and the key to its development is not accidentally the product performance and power management technology of electric energy storage. The current electric vehicle has been generally provided with a battery management system (BMS) composed of at least a microcontroller, an analog-to-digital converter, an operational amplifier, a resistor and a switch, for real-time monitoring of the power storage device. Operating conditions, such as battery voltage, current, temperature, continuous operating time, maximum discharge, and number of charge and discharge cycles, and allow the vendor or service manufacturer to use a dedicated connector or dedicated cable to plug into the battery management system to read the above The value is monitored to know if repair or renewal of the power storage device is required.
然而，上述此種需透過專業人員採用實體線材讀取電池監測值的操作方式著實具有一定的管理難度且費時費力而難以進行大數量的管 理控制，使不利於相關產業的服務發展。再者，於建置之初時，上述管理系統需透過個人電腦或專屬設備進行連線設定，而執行此程序時，受該專屬連接器或專屬排線所支援的通訊協定限制，往往容易出現產品相容性不符的問題而降低產品可應用延展性及擴充性，進而造成管理成本與建置成本的增加。However, the above-mentioned operation method of reading the battery monitoring value by using a physical wire material by a professional has a certain management difficulty and is time consuming and laborious, and it is difficult to carry out a large number of tubes. Control and control, which is not conducive to the development of services in related industries. Furthermore, at the beginning of the establishment, the above management system needs to be connected through a personal computer or a dedicated device. When the program is executed, it is often restricted by the communication protocol supported by the dedicated connector or the dedicated cable. The problem of product compatibility is not good, which reduces the applicability and scalability of the product, which in turn leads to an increase in management costs and construction costs.
有感於此，如何改良大電力電池的管理系統架構，使允許廠商甚至是一般使用者無需透過專屬連接器與通訊協定即能存取電池資料，以達人性化管理程序效果的同時，降低整體系統的建置成本並提升系統擴充性、相容性及延展性，即為本創作所探究之課題。In view of this, how to improve the management system architecture of large power batteries, so that manufacturers and even the general users can access the battery data without using a dedicated connector and communication protocol, in order to achieve the effect of humanized management procedures, while reducing the overall The cost of system construction and the enhancement of system scalability, compatibility and scalability are the topics explored by this creative office.
有鑑於習知技藝之問題，本創作之目的在於提供一種無線電池管理系統，以利用無線資訊傳感器透過無線通訊方式將電池即時狀態傳送予手持裝置而方便使用者現場檢視各電力儲能器之運作狀態。In view of the problems of the prior art, the purpose of the present invention is to provide a wireless battery management system for transmitting the instantaneous state of the battery to the handheld device by means of the wireless information sensor, thereby facilitating the user to view the operation of each power storage device on site. status.
根據本創作之目的，該無線電池管理系統適用於電性連接一電子設備之電力儲能器而監控該電力儲能器之電力運作狀況，其包含一管理單元及一傳輸單元。該管理單元電性連接於該電子設備之驅動模組及該電力儲能器間，該管理單元讀取該驅動模組之識別號及該電力儲能器之識別碼，且偵測該電力儲能器之運作狀態而形成一偵測值。該傳輸單元電性連接該管理單元及無線連結外部之一終端設備，且接收並傳送該識別號及該識別碼而供該終端設備記錄於一清單中；當該終端設備利用內裝之一應用程式傳送一讀取指令予該傳輸單元時，該管理單元透過該傳輸單元傳送該偵測值，使該終端設備記錄並分析該偵測值，供於該偵測值超出一安全 值時輸出一警告訊號。According to the purpose of the present invention, the wireless battery management system is adapted to electrically connect a power storage device of an electronic device to monitor the power operation status of the power storage device, and includes a management unit and a transmission unit. The management unit is electrically connected between the driving module of the electronic device and the power storage device, and the management unit reads the identification number of the driving module and the identification code of the power storage device, and detects the power storage The operating state of the energy device forms a detection value. The transmission unit is electrically connected to the management unit and one of the external terminal devices, and receives and transmits the identification number and the identification code for the terminal device to record in a list; when the terminal device utilizes one of the built-in applications When the program transmits a read command to the transmission unit, the management unit transmits the detection value through the transmission unit, so that the terminal device records and analyzes the detection value, so that the detection value exceeds a security value. A warning signal is output when the value is displayed.
並且，該終端設備透過該傳輸單元傳送一配對指令予該管理單元而請求反饋即時之該識別號及該識別碼，且該終端設備利用該清單比對獲知該識別號與該識別碼符合記錄時輸出一許可訊號予該管理單元，以導通該電力儲能器與該驅動模組間連線而允許該電子設備截取該電力儲能器內電力。該終端設備輸出該警告訊號的同時，透過該傳輸單元傳送一控制指令予該管理單元，以驅使該管理單元限制該電力儲能器的電力輸出或啟動該電力儲能器的平衡功能。And the terminal device sends a pairing instruction to the management unit through the transmission unit to request feedback of the identification number and the identification code, and the terminal device uses the list comparison to know that the identification number matches the identification code. And outputting a license signal to the management unit to turn on the connection between the power storage device and the driving module to allow the electronic device to intercept the power in the power storage device. While outputting the warning signal, the terminal device transmits a control command to the management unit through the transmission unit to drive the management unit to limit the power output of the power storage device or activate the balance function of the power storage device.
其中，該電力儲能器為可二次充電單電芯或電池組，且該終端設備為智慧型手機、平板電腦或個人電腦之無線手持設備、伺服主機或雲端網路平台。該管理單元感測並至少記錄該電力儲能器之設備識別資料、即時電壓、電流與溫度、累積電流量、前次充電時間及安全資訊。又，該終端設備為複數使用型態，且該管理單元使該傳輸單元透過偵測站網格(Sensor Grid)及該無線手持設備之該終端設備之其中至少一者將該偵測值傳送至該雲端網路平台，以供該雲端網平台進行資料探勘(Data Mining)及知識管理(Knowledge Management)之用後，應用於適地性服務(Location-Based Service,LBS)、使用者行為分析、設備資產管理、售後服務及產品開發之其中至少一領域中。The power storage device is a rechargeable single battery or a battery pack, and the terminal device is a wireless handheld device, a servo host or a cloud network platform of a smart phone, a tablet computer or a personal computer. The management unit senses and records at least the device identification data, the instantaneous voltage, the current and the temperature, the accumulated current amount, the previous charging time, and the safety information of the power storage device. Moreover, the terminal device is in a plurality of usage modes, and the management unit causes the transmission unit to transmit the detection value to the at least one of the sensor Grid and the terminal device of the wireless handheld device to The cloud network platform is used for data mining and knowledge management of the cloud network platform, and is applied to Location-Based Service (LBS), user behavior analysis, and device. In at least one of asset management, after-sales service and product development.
綜上所述，本創作係利用諸如藍芽或Wifi等無線通訊方式使該傳輸單元與該終端設備雙向溝通而進行資料傳遞或遠端控制等功能，以方便設備銷售廠商、設備維修廠商或一般使用者直接透過該終端設備即時檢視電池運作狀態而迅速掌握設備的可續航性及可續航時間，進而提升 設備使用安全。並且，廠商或使用者可現場利用手持裝置進行該電子設備與該電力儲能器的配對作業，以確保該電力儲能器裝置於對應之該電子設備內而避免盜竊發生，有效提升倉儲管理的便易性。In summary, the author uses a wireless communication method such as Bluetooth or Wifi to enable the transmission unit to communicate with the terminal device in two-way communication for data transmission or remote control, etc., to facilitate equipment vendors, equipment maintenance vendors or general The user can quickly check the battery life of the device through the terminal device and quickly check the battery life and the battery life. The device is safe to use. Moreover, the manufacturer or the user can perform the pairing operation of the electronic device and the power storage device by using the handheld device in the field to ensure that the power storage device is in the corresponding electronic device to avoid theft, thereby effectively improving the storage management. Easy to use.
1‧‧‧無線電池管理系統1‧‧‧Wireless Battery Management System
10‧‧‧管理單元10‧‧‧Management unit
100‧‧‧監控模組100‧‧‧Monitor module
101‧‧‧平衡模組101‧‧‧balance module
102‧‧‧保護模組102‧‧‧Protection module
11‧‧‧傳輸單元11‧‧‧Transportation unit
2‧‧‧電子設備2‧‧‧Electronic equipment
20‧‧‧驅動模組20‧‧‧Drive Module
200‧‧‧識別號200‧‧‧ identification number
21‧‧‧電力儲能器21‧‧‧Power accumulator
210‧‧‧識別碼210‧‧‧ID
3‧‧‧終端設備3‧‧‧ Terminal equipment
30‧‧‧應用程式30‧‧‧Application
300‧‧‧清單300‧‧‧list
4‧‧‧偵測站4‧‧‧Detection station
第1圖 係為本創作較佳實施例之方塊圖。Figure 1 is a block diagram of a preferred embodiment of the present invention.
第2圖 係為本創作較佳實施例之應用示意圖。Figure 2 is a schematic diagram of the application of the preferred embodiment of the present invention.
第3圖 係為本創作較佳實施例之一實施態樣之流程圖。Figure 3 is a flow chart showing an embodiment of a preferred embodiment of the present invention.
第4圖 係為本創作較佳實施例之二實施態樣之流程圖。Figure 4 is a flow chart showing the second embodiment of the preferred embodiment of the present invention.
第5圖 係為本創作較佳實施例之三實施態樣之示意圖。Figure 5 is a schematic diagram of a third embodiment of the preferred embodiment of the present invention.
為使 貴審查委員能清楚了解本創作之內容，僅以下列說明搭配圖式，敬請參閱。In order for your review board to have a clear understanding of the content of this creation, please refer to the following description only.
請參閱第1~4圖，其係分別為本創作較佳實施例之方塊圖、應用示意圖、一實施態樣之流程圖及二實施態樣之流程圖。如圖所示，該無線電池管理系統1設有一管理單元10及一傳輸單元11，該管理單元10透過電源線電性連接於一電子設備2，諸如電動汽車、電動機車或電動腳踏車之驅動模組20及其電力儲能器21間而至少具有一監控模組100、一平衡模組101及一保護模組102，以供監控該電力儲能器20之電力運作狀況，且該電力儲能器21可為一串一並以上的二次充電單電芯或電池組。該傳輸單元11可透過內建或外接的方式電性連接該管理單元10並透過如藍芽之無線通訊技術電訊連結外部之一終端設備3，例如智慧型手機、平板電 腦、個人數位助理(PDA)或個人電腦等無線手持設備、伺服主機或雲端網路平台，以使該管理單元10具有與該終端設備3進行雙向溝通之功能，且該終端設備3內裝有一應用程式30。又，以電動機踏車之租賃服務為例，該無線電池管理系統1之作動流程可包含下述步驟。Please refer to FIG. 1 to FIG. 4 for a block diagram, an application schematic diagram, a flowchart of an embodiment, and a flow chart of two embodiments. As shown in the figure, the wireless battery management system 1 is provided with a management unit 10 and a transmission unit 11 . The management unit 10 is electrically connected to an electronic device 2 via a power line, such as a driving mode of an electric car, an electric motor car or an electric bicycle. The group 20 and its power storage device 21 have at least one monitoring module 100, a balancing module 101 and a protection module 102 for monitoring the power operation status of the power storage device 20, and the power storage energy The device 21 can be a series of recharged single cells or battery packs. The transmission unit 11 can be electrically connected to the management unit 10 through a built-in or external connection, and can be connected to one of the external terminal devices 3 through a wireless communication technology such as Bluetooth, such as a smart phone or a tablet. a wireless handheld device such as a brain, a personal digital assistant (PDA) or a personal computer, a server or a cloud network platform, so that the management unit 10 has a function of two-way communication with the terminal device 3, and the terminal device 3 is provided with a Application 30. Moreover, taking the rental service of the motor treadmill as an example, the operation flow of the wireless battery management system 1 may include the following steps.
於系統建置時，步驟S1，該管理單元10讀取該驅動模組20之識別號200及該電力儲能器21之識別碼210後，透過該傳輸單元10傳遞予該終端設備3，且該終端設備3記錄於該應用程式30內之一清單300中。In the step S1, the management unit 10 reads the identification number 200 of the driving module 20 and the identification code 210 of the power storage device 21, and transmits the identification code 210 to the terminal device 3 through the transmission unit 10, and The terminal device 3 is recorded in a list 300 in the application 30.
步驟S2，該管理單元10透過該監控模組100即時偵測並記錄該電力儲能器21之運作狀態，諸如即時電壓、電流與溫度、累積電流量、前次充電時間、安全資訊及充放電次數等而形成一偵測值。In step S2, the management unit 10 immediately detects and records the operating state of the power storage device 21 through the monitoring module 100, such as instantaneous voltage, current and temperature, accumulated current amount, previous charging time, safety information, and charging and discharging. A detection value is formed by the number of times.
當開啟該應用程式30而該傳輸單元11處於待機模式時，該終端設備3於步驟S3中利用該應用程式30傳送一喚醒訊號予該管理單元10，使該管理單元10依據該喚醒訊號進入工作模式的同時，透過該傳輸單元11反饋一回覆訊號予該應用程式30。When the application 30 is turned on and the transmission unit 11 is in the standby mode, the terminal device 3 transmits a wake-up signal to the management unit 10 by using the application 30 in step S3, so that the management unit 10 enters the work according to the wake-up signal. At the same time as the mode, a reply signal is fed back to the application 30 through the transmission unit 11.
接著，步驟S4，該應用程式30傳送一讀取指令予該傳輸單元11，以請求該管理單元10透過該傳輸單元11傳送該偵測值，且該終端設備3記錄並分析該偵測值，供於該偵測值超出一安全值時輸出一警告訊號而即時警示使用者電池異常，應儘速前往服務站進行檢查。進一步地，於該終端設備3輸出該警告訊號的同時執行步驟S5：透過該傳輸單元11傳送一控制指令予該管理單元10，以驅使該管理單元10藉該保護模組102限制該電力儲能器21的電力輸出或藉該平衡模組101啟動該電力儲能器21 的平衡功能。Next, in step S4, the application 30 transmits a read command to the transmission unit 11 to request the management unit 10 to transmit the detected value through the transmission unit 11, and the terminal device 3 records and analyzes the detected value. When the detected value exceeds a safe value, a warning signal is output and the user is alerted to the battery abnormality. The service station should be checked as soon as possible. Further, the terminal device 3 outputs the warning signal while performing step S5: transmitting a control command to the management unit 10 through the transmission unit 11 to drive the management unit 10 to limit the power storage by the protection module 102. The power output of the device 21 or the power storage device 21 is activated by the balancing module 101 Balance function.
或者，接續步驟S3，該終端設備3於步驟S6中透過該傳輸單元11傳送一配對指令予該管理單元10而請求現時該驅動模組之識別號200及該電力儲能器之識別碼210，且步驟S60：該終端設備3比對現時之該識別號200與該識別碼210是否符合該清單300記錄？若是，步驟S61：輸出一許可訊號予該管理單元10，以導通該電力儲能器21與該驅動模組20間連線而允許該電子設備2截取使用該電力儲能器21內電力。反之，現時之該識別號200與該識別碼210不符該清單300記錄，代表可能出現盜竊或系統異常等問題，執行步驟S62：該終端設備3輸出一鎖禁訊號予該管理單元10而切斷該電力儲能器21與該驅動模組20間連線，同時，輸出該警示訊號告知廠商或使用者。Or, in step S3, the terminal device 3 transmits a pairing instruction to the management unit 10 through the transmission unit 11 in step S6 to request the identification number 200 of the current driving module and the identification code 210 of the power storage device. And step S60: the terminal device 3 compares the current identification number 200 with the identification code 210 to comply with the list 300 record? If yes, step S61: outputting a permission signal to the management unit 10 to connect the power storage device 21 to the driving module 20 to allow the electronic device 2 to intercept and use the power in the power storage device 21. On the contrary, the identification number 200 does not match the identification code 210, and the list 300 records, indicating that there may be problems such as theft or system abnormality. Step S62: The terminal device 3 outputs a lockout signal to the management unit 10 to cut off The power storage device 21 is connected to the driving module 20, and at the same time, the warning signal is output to notify the manufacturer or the user.
順帶一提的是，該終端設備3當然可如圖5所示為複數使用型態，且該管理單元10使該傳輸單元11透過一偵測站4的網格及該無線手持設備之其中至少一者將該偵測值傳送至該雲端網路平台，以供該雲端網平台進行資料探堪及知識管理之用後，應用於適地性服務、使用者行為分析、設備資產管理、售後服務及產品開發之其中至少一領域中。Incidentally, the terminal device 3 can of course be in a plurality of usage modes as shown in FIG. 5, and the management unit 10 causes the transmission unit 11 to pass through a grid of a detection station 4 and at least one of the wireless handheld devices. The one transmits the detected value to the cloud network platform for the cloud network platform to perform data exploration and knowledge management, and is applied to the locality service, user behavior analysis, equipment asset management, and after-sales service. And at least one of the areas of product development.
惟，以上所述者，僅為本創作之較佳實施例而已，並非用以限定本創作實施之範圍；故在不脫離本創作之精神與範圍下所作之均等變化與修飾，皆應涵蓋於本創作之專利範圍內。However, the above descriptions are only for the preferred embodiment of the present invention and are not intended to limit the scope of the present invention; therefore, the equivalent changes and modifications made without departing from the spirit and scope of the present invention should be Within the scope of this creation's patent.
1‧‧‧無線電池管理系統1‧‧‧Wireless Battery Management System
10‧‧‧管理單元10‧‧‧Management unit
100‧‧‧監控模組100‧‧‧Monitor module
101‧‧‧平衡模組101‧‧‧balance module
102‧‧‧保護模組102‧‧‧Protection module
11‧‧‧傳輸單元11‧‧‧Transportation unit
2‧‧‧電子設備2‧‧‧Electronic equipment
20‧‧‧驅動模組20‧‧‧Drive Module
200‧‧‧識別號200‧‧‧ identification number
21‧‧‧電力儲能器21‧‧‧Power accumulator
210‧‧‧識別碼210‧‧‧ID
3‧‧‧終端設備3‧‧‧ Terminal equipment
30‧‧‧應用程式30‧‧‧Application
300‧‧‧清單300‧‧‧list
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| TW104210939U TWM510009U (en) | 2014-03-14 | 2014-03-14 | Wireless battery management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104210939U TWM510009U (en) | 2014-03-14 | 2014-03-14 | Wireless battery management system |
Publications (1)
| Publication Number | Publication Date |
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| TWM510009U true TWM510009U (en) | 2015-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| TW104210939U TWM510009U (en) | 2014-03-14 | 2014-03-14 | Wireless battery management system |
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| Country | Link |
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| TW (1) | TWM510009U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9983312B2 (en) | 2013-06-21 | 2018-05-29 | Duracell U.S. Operations, Inc. | Systems and methods for remotely determining a battery characteristic |
| US10151802B2 (en) | 2016-11-01 | 2018-12-11 | Duracell U.S. Operations, Inc. | Reusable battery indicator with electrical lock and key |
| US10184988B2 (en) | 2012-12-27 | 2019-01-22 | Duracell U.S. Operations, Inc. | Remote sensing of remaining battery capacity using on-battery circuitry |
| US10297875B2 (en) | 2015-09-01 | 2019-05-21 | Duracell U.S. Operations, Inc. | Battery including an on-cell indicator |
| US10483634B2 (en) | 2016-11-01 | 2019-11-19 | Duracell U.S. Operations, Inc. | Positive battery terminal antenna ground plane |
| US10608293B2 (en) | 2016-11-01 | 2020-03-31 | Duracell U.S. Operations, Inc. | Dual sided reusable battery indicator |
| US10818979B2 (en) | 2016-11-01 | 2020-10-27 | Duracell U.S. Operations, Inc. | Single sided reusable battery indicator |
| US10916850B2 (en) | 2013-05-23 | 2021-02-09 | Duracell U.S. Operations, Inc. | Omni-directional antenna for a cylindrical body |
| US10964980B2 (en) | 2014-05-30 | 2021-03-30 | Duracell U.S. Operations, Inc. | Indicator circuit decoupled from a ground plane |
| US11024891B2 (en) | 2016-11-01 | 2021-06-01 | Duracell U.S. Operations, Inc. | Reusable battery indicator with lock and key mechanism |
| TWI797312B (en) * | 2019-04-15 | 2023-04-01 | 拓連科技股份有限公司 | Systems and methods for charging management of charging devices |
| US11837754B2 (en) | 2020-12-30 | 2023-12-05 | Duracell U.S. Operations, Inc. | Magnetic battery cell connection mechanism |
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2014
- 2014-03-14 TW TW104210939U patent/TWM510009U/en not_active IP Right Cessation
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| US10184988B2 (en) | 2012-12-27 | 2019-01-22 | Duracell U.S. Operations, Inc. | Remote sensing of remaining battery capacity using on-battery circuitry |
| US10698032B2 (en) | 2012-12-27 | 2020-06-30 | Duracell U.S. Operations, Inc. | Remote sensing of remaining battery capacity using on-battery circuitry |
| US10916850B2 (en) | 2013-05-23 | 2021-02-09 | Duracell U.S. Operations, Inc. | Omni-directional antenna for a cylindrical body |
| US11740291B2 (en) | 2013-06-21 | 2023-08-29 | Duracell U.S. Operations, Inc. | Systems and methods for remotely determining a battery characteristic |
| US10416309B2 (en) | 2013-06-21 | 2019-09-17 | Duracell U.S. Operations, Inc. | Systems and methods for remotely determining a battery characteristic |
| US9983312B2 (en) | 2013-06-21 | 2018-05-29 | Duracell U.S. Operations, Inc. | Systems and methods for remotely determining a battery characteristic |
| US11307259B2 (en) | 2013-06-21 | 2022-04-19 | Duracell U.S. Operations, Inc. | Systems and methods for remotely determining a battery characteristic |
| US10859705B2 (en) | 2013-06-21 | 2020-12-08 | Duracell U.S. Operations, Inc. | Systems and methods for remotely determining a battery characteristic |
| US10964980B2 (en) | 2014-05-30 | 2021-03-30 | Duracell U.S. Operations, Inc. | Indicator circuit decoupled from a ground plane |
| US10297875B2 (en) | 2015-09-01 | 2019-05-21 | Duracell U.S. Operations, Inc. | Battery including an on-cell indicator |
| US10483634B2 (en) | 2016-11-01 | 2019-11-19 | Duracell U.S. Operations, Inc. | Positive battery terminal antenna ground plane |
| US10818979B2 (en) | 2016-11-01 | 2020-10-27 | Duracell U.S. Operations, Inc. | Single sided reusable battery indicator |
| US10971769B2 (en) | 2016-11-01 | 2021-04-06 | Duracell U.S. Operations, Inc. | Reusable battery indicator with electrical lock and key |
| US11024892B2 (en) | 2016-11-01 | 2021-06-01 | Duracell U.S. Operations, Inc. | Dual sided reusable battery indicator |
| US11024891B2 (en) | 2016-11-01 | 2021-06-01 | Duracell U.S. Operations, Inc. | Reusable battery indicator with lock and key mechanism |
| US11031686B2 (en) | 2016-11-01 | 2021-06-08 | Duracell U.S. Operations, Inc. | Positive battery terminal antenna ground plane |
| US10608293B2 (en) | 2016-11-01 | 2020-03-31 | Duracell U.S. Operations, Inc. | Dual sided reusable battery indicator |
| US11664539B2 (en) | 2016-11-01 | 2023-05-30 | Duracell U.S. Operations, Inc. | Dual sided reusable battery indicator |
| US11696942B2 (en) | 2016-11-01 | 2023-07-11 | Duracell U.S. Operations, Inc. | Reusable battery indicator with electrical lock and key |
| US10151802B2 (en) | 2016-11-01 | 2018-12-11 | Duracell U.S. Operations, Inc. | Reusable battery indicator with electrical lock and key |
| TWI797312B (en) * | 2019-04-15 | 2023-04-01 | 拓連科技股份有限公司 | Systems and methods for charging management of charging devices |
| US11837754B2 (en) | 2020-12-30 | 2023-12-05 | Duracell U.S. Operations, Inc. | Magnetic battery cell connection mechanism |
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