| 摘要 |
<p>PROBLEM TO BE SOLVED: To make a battery box small and compact by minimizing an occupied space of a battery. SOLUTION: A plural number of batteries 27a are arranged in three or more than three rows by making them contact with each other so as to make their axial lines in parallel with each other and each of the batteries 27a is fit in between the two batteries 27a in the adjoining row so as to make straight lines to connect centers of axes of the adjoining three batteries 27a form an equilateral triangle (bale heaping) in arrangement structure of the batteries 27a of an electric bicycle constituted by installing a battery box 25 storing the battery 27 constituted by shrink packing a plural number of the columnar batteries 27a free to connect and disconnect. It is possible to make the battery box 25 small and compact by minimizing an occupied space of a plural number of the batteries 27a constituting the battery 27, it becomes convenient to carry the battery box 25 and this battery box 25 never becomes an obstacle for a rider to ride and step off.</p> |
