| 摘要 |
A secondary battery comprises a case having first and second flat end portions. A generator unit is installed in the case. The generator unit includes a plurality of positive and negative electrode plates which are alternatively put on one another placing therebetween separator plates. Positive and negative flat terminals are respectively held by the first and second end portions of the case. Each of the flat terminals includes an inside part exposed to an interior of the case and connected to corresponding ones of the positive and negative electrode plates, a middle part actually held by corresponding one of the first and second flat end portions of the case and an outside part exposed to the outside of the case. A reinforcing structure is associated with the first and second flat end portions of the case to assure and reinforce the holding of the middle part of each flat terminal by corresponding one of the first and second flat end portions of the case.
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