JPH1014119A - Charger using different kinds of batteries in combination - Google Patents

Charger using different kinds of batteries in combination

Info

Publication number
JPH1014119A
JPH1014119A JP8156834A JP15683496A JPH1014119A JP H1014119 A JPH1014119 A JP H1014119A JP 8156834 A JP8156834 A JP 8156834A JP 15683496 A JP15683496 A JP 15683496A JP H1014119 A JPH1014119 A JP H1014119A
Authority
JP
Japan
Prior art keywords
charging
secondary battery
charger
type
capacity
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.)
Pending
Application number
JP8156834A
Other languages
Japanese (ja)
Inventor
Akihisa Miyagawa
昭久 宮川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Denshi KK
Original Assignee
Hitachi Denshi KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Denshi KK filed Critical Hitachi Denshi KK
Priority to JP8156834A priority Critical patent/JPH1014119A/en
Publication of JPH1014119A publication Critical patent/JPH1014119A/en
Pending legal-status Critical Current

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  • Tests Of Electric Status Of Batteries (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To enable the charging of electronic apparatus where many kinds of charging type secondary battery packs are prepared, by charging batteries, corresponding to the batteries connected, from the common charging terminals by the charging voltage, charging currents, and full charging detection method dealing with different kinds and capacities of secondary batteries. SOLUTION: The value of a resistor 14 is changed, corresponding to the kind of a charging type of secondary battery pack 2, and the voltage of the terminal 15 for detecting the classification and capacity of the battery at the time when the charging type of secondary battery pack 2 is connected to a charger 1 is changed, corresponding to the type of the battery, and the voltage is converted with an A/D converter 12 and it is supplied to a controller 11 so as to detect the classification of many kinds of batteries. On the other hand, for the charger 4, the charging voltage, charging currents, and full charging detection method can be set by the control signal form the controller 11, and it is set to the charging voltage, charging currents, and full charging detection method corresponding to the charging type secondary battery pack 2 connected to the charger 1.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、例えば携帯無線機
等、電子機器の電源に用いられる充電式二次電池パック
の充電装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging device for a rechargeable secondary battery pack used as a power source for an electronic device such as a portable wireless device.

【0002】[0002]

【従来の技術】従来の二次電池の充電方式について、図
3及び図4に示す例により説明する。ただし、図3及び
図4に示す例では、充電式二次電池パックは充放電端子
をそれぞれ独立に備えている場合を示す。図3におい
て、充電式二次電池パック2は、充電可能な二次電池
5、該二次電池5の負荷となる電子機器に電源を供給す
る放電用+端子7と放電用−端子8からなる放電端子、
上記二次電池5を充電する充電用+端子9と充電用−端
子10からなる充電端子、及び該充電端子からの放電を
阻止する逆流防止用のダイオード6により構成されてい
る。また、充電器1は、電源を供給する電源部3、充電
する充電式二次電池パック2の種別及び容量に対応した
固定の充電電圧、充電電流及び満充電検出方式による充
電器部4と、充電式二次電池パック2に充電電流を供給
する充電用+端子9と充電用−端子10から構成されて
いる。
2. Description of the Related Art A conventional secondary battery charging system will be described with reference to FIGS. 3 and 4. FIG. However, the examples shown in FIGS. 3 and 4 show a case where the rechargeable secondary battery pack is provided with a charge / discharge terminal independently. In FIG. 3, the rechargeable secondary battery pack 2 includes a rechargeable secondary battery 5, a discharging positive terminal 7 and a discharging negative terminal 8 for supplying power to an electronic device serving as a load of the secondary battery 5. Discharge terminal,
It comprises a charging terminal composed of a charging positive terminal 9 and a charging negative terminal 10 for charging the secondary battery 5 and a backflow prevention diode 6 for preventing discharge from the charging terminal. The charger 1 includes a power supply unit 3 that supplies power, a charger unit 4 that uses a fixed charging voltage, a charging current, and a full charging detection method corresponding to the type and capacity of the rechargeable secondary battery pack 2 to be charged. It comprises a charging positive terminal 9 and a charging negative terminal 10 for supplying a charging current to the rechargeable secondary battery pack 2.

【0003】以上の様に構成された充電式二次電池パッ
クと充電器の充電動作について説明する。充電式二次電
池パック2を充電器1に接続することにより、電源部3
から供給される電源により、充電器部4から充電電圧及
び充電電流が供給され、充電端子を介して二次電池5が
充電される。充電器部1の充電方式は、一般的にニッケ
ル系二次電池では定電流方式、Liイオン二次電池では
定電圧電流制限方式が採用されている。充電電圧は充電
式二次電池パック2を構成する二次電池5のセルの数に
より決定され、ニッケル系二次電池では約1.8V/セ
ル以上、またLiイオン二次電池では約4.2V/セル
に設定される。また、充電電流は二次電池の容量により
決定され、二次電池5の容量がCmAhとすると、一般
的に急速充電器では約1CmAに、また普通充電器では
約0.2CmAに設定される。
[0003] The charging operation of the rechargeable secondary battery pack and the charger configured as described above will be described. By connecting the rechargeable secondary battery pack 2 to the charger 1, the power supply unit 3
A charging voltage and a charging current are supplied from the charger section 4 by the power supply supplied from the power supply, and the secondary battery 5 is charged via the charging terminal. The charging method of the charger unit 1 is generally a constant current method for a nickel-based secondary battery, and a constant voltage current limiting method for a Li-ion secondary battery. The charging voltage is determined by the number of cells of the secondary battery 5 constituting the rechargeable secondary battery pack 2, and is about 1.8 V / cell or more for a nickel-based secondary battery and about 4.2 V for a Li-ion secondary battery. / Cell is set. The charging current is determined by the capacity of the secondary battery. If the capacity of the secondary battery 5 is CmAh, it is generally set to about 1 CmA for a quick charger and to about 0.2 CmA for a normal charger.

【0004】ここで、電子機器に接続される充電式二次
電池パック2は、電子機器の連続使用時間、重量、価格
及び大きさなどにより電池の種別及び容量の違うものが
用意されるのが一般的であり、ユーザーの使い勝手によ
り選択されるが、図3に示す充電器1は充電式二次電池
パック2の種別及び容量は判別が不可能であり、設定さ
れた容量より大きい容量の充電式二次電池パック2が接
続された場合は、充電時間が長くなる、あるいは満充電
できない、また、設定された容量より小さい容量の充電
式二次電池パック2が接続された場合は充電時間が短く
なる、あるいは過充電となる不具合が生じる。また、ニ
ッケル系二次電池とLiイオン二次電池を併用すること
は充電方式の違いから不可能であり、電池の種別及び容
量に対応した充電器を用意する必要がある。
[0004] Here, as the rechargeable secondary battery pack 2 connected to the electronic device, one having different battery types and capacities depending on the continuous use time, weight, price and size of the electronic device is prepared. Although it is general and selected according to the user's convenience, the charger 1 shown in FIG. 3 cannot determine the type and capacity of the rechargeable secondary battery pack 2 and has a capacity larger than the set capacity. When the rechargeable secondary battery pack 2 is connected, the charging time becomes longer or the battery cannot be fully charged, and when the rechargeable secondary battery pack 2 having a capacity smaller than the set capacity is connected, the charging time becomes longer. There is a problem that the battery becomes short or becomes overcharged. Further, it is impossible to use a nickel-based secondary battery and a Li-ion secondary battery together due to the difference in charging method, and it is necessary to prepare a charger corresponding to the type and capacity of the battery.

【0005】図4は電池の種別や容量の違う充電式二次
電池パックを共通の充電器で充電するための従来の充電
方式を示す例である。充電式二次電池パック2と充電器
1の基本的構成及び充電動作については、図3に示す例
と同じであるのでここでは説明を省略する。図4におい
て、充電器1は、図3に示す充電器1に電池の種別及び
容量の違う充電式二次電池パック2に対応する複数の充
電器部23,24と充電器部23,24に接続される充
電用+端子25,26が追加されて構成される。充電用
+端子9,25,26は充電器1に位置をずらして配置
し、充電用−端子10は共通に使用される。充電式二次
電池パック2の充電用+端子は充電器1の対応する充電
用+端子9,25,26の位置に合せ配置することで電
池の種別及び容量の違う充電式二次電池パック2が充電
可能となるが、複数の充電端子を配置する物理的寸法に
は制限がある。そのため電池の種別及び容量の違う複数
の充電式二次電池パックを用意する必要がある電子機器
においては小形化に不利である。
FIG. 4 shows an example of a conventional charging system for charging rechargeable secondary battery packs having different battery types and capacities with a common charger. The basic configuration and charging operation of the rechargeable secondary battery pack 2 and the charger 1 are the same as in the example shown in FIG. In FIG. 4, the charger 1 includes a plurality of charger sections 23 and 24 and charger sections 23 and 24 corresponding to the rechargeable secondary battery packs 2 having different types and capacities of the batteries in the charger 1 shown in FIG. 3. The connected charging + terminals 25 and 26 are added. The positive charging terminals 9, 25, and 26 are shifted from each other on the charger 1, and the negative charging terminal 10 is commonly used. The rechargeable secondary battery pack 2 having different charging types and capacities by arranging the + terminals for charging of the rechargeable secondary battery pack 2 in accordance with the positions of the corresponding + terminals 9, 25 and 26 for charging of the charger 1. Can be charged, but there are limitations on the physical dimensions for arranging a plurality of charging terminals. Therefore, it is disadvantageous for downsizing in an electronic device that requires preparing a plurality of rechargeable secondary battery packs having different battery types and capacities.

【0006】[0006]

【発明が解決しようとする課題】以上のように従来の充
電式二次電池パックの充電方式では、電池の種別及び容
量の違う複数種類の充電式二次電池パックを共通の充電
器で充電を行った場合に以下に示す問題点がある。 設定された容量と違う容量の充電式二次電池パックが
接続された場合は、充電時間が長くなる、あるいは満充
電できない、充電時間が短くなる、あるいは過充電とな
る不具合が生じる。 ニッケル系二次電池とLiイオン二次電池を併用する
ことは、充電方式の違いから不可能であり、電池の種別
及び容量に対応した充電器を個別に用意する必要があ
る。 複数の充電端子を配置する物理的寸法には制限があ
り、電池の種別及び容量の違う複数の充電式二次電池パ
ックを用意する必要がある電子機器においては小形化に
不利である。
As described above, in the conventional charging method for a rechargeable secondary battery pack, a plurality of types of rechargeable secondary battery packs having different types and capacities of batteries are charged by a common charger. There are the following problems when it is performed. If a rechargeable secondary battery pack having a capacity different from the set capacity is connected, a problem occurs in which the charging time is prolonged, the battery cannot be fully charged, the charging time is shortened, or the battery is overcharged. It is impossible to use a nickel-based secondary battery and a Li-ion secondary battery together because of the difference in charging method, and it is necessary to separately prepare a charger corresponding to the type and capacity of the battery. The physical dimensions for arranging a plurality of charging terminals are limited, and this is disadvantageous for miniaturization in an electronic device that requires preparing a plurality of rechargeable secondary battery packs having different battery types and capacities.

【0007】本発明は上記の点に鑑み、このような問題
を解決するためになされたもので、その目的は接続され
た二次電池の種別や容量に対応した充電電圧、充電電流
及び満充電検出方法で共通の充電端子から接続された電
池に対応して充電することが可能な小型の異種電池併用
充電装置を提供することにある。
The present invention has been made in view of the above points, and has been made in order to solve such a problem. It is an object of the present invention to provide a charging voltage, a charging current, and a full charge corresponding to the type and capacity of a connected secondary battery. It is an object of the present invention to provide a small-sized battery charging device combined with different types of batteries that can be charged corresponding to a battery connected from a common charging terminal by a detection method.

【0008】[0008]

【課題を解決するための手段】本発明は、上記の目的を
達成するため、二次電池の種別及び容量を検出する手段
と、該検出した電池の種別及び容量に対応した充電電
圧、充電電流及び満充電検出方法を設定する充電器部を
設け、共通の充電端子から接続された二次電池の種別及
び容量に対応して充電するように構成したものである。
従って本発明によれば、ユーザーが任意に選択した二次
電池パックに対して、その選択された二次電池の種別及
び容量に対応した充電電圧、充電電流及び満充電検出方
法が設定され、共通の充電端子に接続された二次電池の
種別及び容量に対応して充電できる小型の異種電池併用
充電装置を実現することができる。
In order to achieve the above object, the present invention provides a means for detecting the type and capacity of a secondary battery, a charging voltage and a charging current corresponding to the detected type and capacity of the battery. And a charger section for setting a full charge detection method, and configured to charge according to the type and capacity of a secondary battery connected from a common charging terminal.
Therefore, according to the present invention, for a secondary battery pack arbitrarily selected by the user, a charging voltage, a charging current, and a full charge detection method corresponding to the type and capacity of the selected secondary battery are set, And a small-size battery-compatible charging device that can be charged according to the type and capacity of the secondary battery connected to the charging terminal.

【0009】[0009]

【発明の実施の形態】以下、本発明を図面に示す実施例
に基づいて説明する。図1は、本発明による異種電池併
用充電装置の一実施例を示す図である。充電式二次電池
パック2と充電器1の充電動作については、図3に示す
従来技術と同じであるのでここでは説明を省略する。図
1に示す二次電池の充電装置において、充電器部4は充
電電圧、充電電流及び満充電検出方法が設定可能で、制
御信号用ポートが設けられ、このポートには制御部11
が接続されている。制御部11にはA/D変換部12か
らの信号が接続され、A/D変換部12の入力ポートは
抵抗13でプルアップされ、電池種別及び容量検出端子
15へ接続されている。一方、充電式二次電池パック2
には抵抗14が設けられ、充電式二次電池パック2が充
電器1に接続されると、電池種別及び容量検出端子15
は抵抗14を介して接地される。以下、この実施例の動
作について説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on an embodiment shown in the drawings. FIG. 1 is a diagram showing an embodiment of the charging device for use with different types of batteries according to the present invention. The charging operation of the rechargeable secondary battery pack 2 and the charger 1 is the same as that of the prior art shown in FIG. In the secondary battery charging apparatus shown in FIG. 1, the charger section 4 can set a charging voltage, a charging current and a full charge detection method, and is provided with a control signal port.
Is connected. A signal from the A / D converter 12 is connected to the controller 11, and an input port of the A / D converter 12 is pulled up by a resistor 13 and connected to a battery type and capacity detection terminal 15. On the other hand, the rechargeable secondary battery pack 2
Is provided with a resistor 14, and when the rechargeable secondary battery pack 2 is connected to the charger 1, a battery type and capacity detection terminal 15 is provided.
Are grounded via a resistor 14. Hereinafter, the operation of this embodiment will be described.

【0010】充電式二次電池パック2の内部の抵抗14
の抵抗値を、充電式二次電池パックの種類に対応して変
化させることにより、充電式二次電池パック2が充電器
1に接続されたときの電池種別及び容量検出端子15の
電圧を電池の種別に対応して変化させ、その電圧をA/
D変換部12にてA/D変換して制御部11に供給する
ことで多種類の電池種別が検出できる。すなわち、充電
器1に用意されている充電式二次電池パックのどの電池
が接続されたのかが検出できる。一方、充電器部4は制
御部11からの制御信号により充電電圧、充電電流及び
満充電検出方式が設定可能で充電器1に接続された充電
式二次電池パックに対応した充電電圧、充電電流及び満
充電検出方式に設定される。以上のように、電池の種別
及び容量を検出する手段と、該検出された電池の種別及
び容量に対応した充電電圧、充電電流及び満充電検出方
法を設定する充電器部を設けることで、接続された電池
の種別や容量に対応した充電電圧、充電電流及び満充電
検出方法が自動的に設定され、共通の充電端子から接続
された電池に対応した充電方法で充電することが可能と
なる。
The internal resistance 14 of the rechargeable secondary battery pack 2
Is changed in accordance with the type of the rechargeable secondary battery pack, so that the battery type and the voltage of the capacity detection terminal 15 when the rechargeable secondary battery pack 2 is connected to the charger 1 And the voltage is changed to A /
By performing A / D conversion in the D conversion unit 12 and supplying it to the control unit 11, various types of batteries can be detected. That is, it is possible to detect which battery of the rechargeable secondary battery pack prepared in charger 1 is connected. On the other hand, the charger section 4 can set a charging voltage, a charging current, and a full-charge detection method according to a control signal from the control section 11, and the charging voltage and the charging current corresponding to the rechargeable battery pack connected to the charger And the full charge detection method. As described above, by providing means for detecting the type and capacity of the battery and the charger unit for setting the charging voltage, charging current and full-charge detection method corresponding to the detected type and capacity of the battery, The charging voltage, charging current, and full charge detection method corresponding to the type and capacity of the battery thus set are automatically set, and the battery can be charged by the charging method corresponding to the battery connected from the common charging terminal.

【0011】図2は電気的信号によらず機械的動作によ
り、電池の種別及び容量を検出する構成とした本発明の
他の実施例である。A/D変換部12の入力ポートは複
数のスイッチ16〜18が接続され、それぞれ抵抗19
〜21を介して接地されている。スイッチ16〜18は
通常開放状態であり、充電式二次電池パック2には種類
に応じてスイッチを押すための押しボタン22が設けら
れており、複数種類の充電式二次電池パックを検出する
ことが可能となる。
FIG. 2 shows another embodiment of the present invention in which the type and capacity of the battery are detected by a mechanical operation without using an electric signal. A plurality of switches 16 to 18 are connected to an input port of the A / D converter 12, and each of the switches 16 to 18 is connected to a resistor 19.
To 21 are grounded. The switches 16 to 18 are normally open, and the rechargeable secondary battery pack 2 is provided with a push button 22 for pressing a switch according to the type, and detects a plurality of types of rechargeable secondary battery packs. It becomes possible.

【0012】[0012]

【発明の効果】以上説明した如く本発明によれば、ユー
ザーが任意に選択した充電式二次電池パックに対して、
その選択された二次電池の種別及び容量に対応した充電
電圧、充電電流及び満充電検出方法が設定され、共通の
充電端子から接続された二次電池に対応した充電方法で
充電が可能であるため、充電装置の小型化も容易であっ
て、多種類の充電式二次電池パックが用意されている電
子機器の充電方式に用いて極めて有効である。
As described above, according to the present invention, a rechargeable secondary battery pack arbitrarily selected by a user is provided.
A charging voltage, a charging current, and a full charge detection method corresponding to the type and capacity of the selected secondary battery are set, and charging can be performed by a charging method corresponding to the secondary battery connected from a common charging terminal. Therefore, it is easy to reduce the size of the charging device, and it is extremely effective to use it for a charging method of an electronic device in which various types of rechargeable secondary battery packs are prepared.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の異種電池併用充電装置の一実施例を示
すブロック図。
FIG. 1 is a block diagram showing an embodiment of a charging device for use with different types of batteries according to the present invention.

【図2】本発明の異種電池併用充電装置の他の実施例を
示すブロック図。
FIG. 2 is a block diagram showing another embodiment of the battery charging device of the present invention.

【図3】従来の充電装置の一例を示すブロック図。FIG. 3 is a block diagram showing an example of a conventional charging device.

【図4】従来の異種電池併用充電装置の一例を示すブロ
ック図。
FIG. 4 is a block diagram showing an example of a conventional battery charging device using different types of batteries.

【符号の説明】[Explanation of symbols]

1…充電器、 2…充電式二次
電池パック、3…電源部、
4,23,24…充電器部、5…二次電池、
6…ダイオード、7…放電用+端子、
8…放電用−端子、9,25,26…充
電用+端子、 10…充電用−端子、11…制御
部、 12…A/D変換部、1
3,14,19,20,21…抵抗、15…電池種別及
び容量検出端子、16,17,18…スイッチ、
22…押しボタン。
1 ... charger, 2 ... rechargeable secondary battery pack, 3 ... power supply,
4, 23, 24 ... charger section, 5 ... secondary battery,
6 ... diode, 7 ... + terminal for discharge,
8-terminal for discharging, 9, 25, 26 ... + terminal for charging, 10-terminal for charging, 11 ... control unit, 12 ... A / D conversion unit, 1
3, 14, 19, 20, 21 ... resistance, 15 ... battery type and capacity detection terminal, 16, 17, 18 ... switch,
22 ... Push button.

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 充電式二次電池と該二次電池の充放電端
子を具備する二次電池パックと、該二次電池パックに接
続される充電端子と充電器部とから成る充電装置におい
て、 充電する二次電池の種別及び容量を検出する手段と、該
検出した二次電池の種別及び容量に対応した充電電圧、
充電電流及び満充電検出方法を設定する充電器部を備
え、接続された二次電池の種別及び容量に対応して充電
するように構成したことを特徴とする異種電池併用充電
装置。
1. A charging apparatus comprising: a rechargeable secondary battery; a secondary battery pack including a charge / discharge terminal of the secondary battery; a charging terminal connected to the secondary battery pack; Means for detecting the type and capacity of the secondary battery to be charged, a charging voltage corresponding to the detected type and capacity of the secondary battery,
A different-battery combined charging device comprising a charger unit for setting a charging current and a full-charge detection method, and configured to charge according to the type and capacity of a connected secondary battery.
【請求項2】 請求項1記載の異種電池併用充電装置に
おいて、 上記電池の種別及び容量を検出する手段が、電気的信号
により検出することを特徴とする異種電池併用充電装
置。
2. The battery charger according to claim 1, wherein the means for detecting the type and capacity of the battery is detected by an electric signal.
【請求項3】 請求項1記載の異種電池併用充電装置に
おいて、 上記電池の種別及び容量を検出する手段が、機械的構造
により検出することを特徴とする異種電池併用充電装
置。
3. The battery charger according to claim 1, wherein the means for detecting the type and capacity of the battery is detected by a mechanical structure.
【請求項4】 請求項1、請求項2あるいは請求項3記
載の異種電池併用充電装置において、 二次電池の種類が、Ni−cd、Ni−MH、Liイオ
ン二次電池のいずれかであることを特徴とする異種電池
併用充電装置。
4. The battery charger according to claim 1, wherein the type of the secondary battery is any one of Ni-cd, Ni-MH, and Li-ion secondary battery. A battery charger for use with different types of batteries, characterized in that:
JP8156834A 1996-06-18 1996-06-18 Charger using different kinds of batteries in combination Pending JPH1014119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8156834A JPH1014119A (en) 1996-06-18 1996-06-18 Charger using different kinds of batteries in combination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8156834A JPH1014119A (en) 1996-06-18 1996-06-18 Charger using different kinds of batteries in combination

Publications (1)

Publication Number Publication Date
JPH1014119A true JPH1014119A (en) 1998-01-16

Family

ID=15636386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8156834A Pending JPH1014119A (en) 1996-06-18 1996-06-18 Charger using different kinds of batteries in combination

Country Status (1)

Country Link
JP (1) JPH1014119A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010035670A (en) * 1999-10-01 2001-05-07 윤종용 Battery Pack and Apparatus for Charging Battery Pack
CN1321479C (en) * 2003-09-12 2007-06-13 佳能株式会社 Secondary battery charging method and apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010035670A (en) * 1999-10-01 2001-05-07 윤종용 Battery Pack and Apparatus for Charging Battery Pack
CN1321479C (en) * 2003-09-12 2007-06-13 佳能株式会社 Secondary battery charging method and apparatus

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