| 摘要 |
PROBLEM TO BE SOLVED: To prevent wrong connection securely due to an error of polarity, to secure excellent workability, and additionally to decrease the cost. SOLUTION: In a connecting structure of a battery terminal, a recess potion 26 are formed on the corner portion 24, 25 of battery bodies 20. Battery posts 21, 22 as a cathode and an anode are provided in each of the recess portions 26. Post protective covers 30, 31 for covering each of the battery posts 21, 22 are provided detachably on the battery bodies 20 and other bodies. Openings for terminal 32, 33 wherein only battery terminals 40, 41 having a corresponding polarities that can be fitted and inserted are provided on each of the protective covers 30, 31.
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