| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric vehicle in which a battery unit is simply, easily and rapidly attached/detached, and the battery unit is fitted to an obstacle-free position while increasing the capacity of the battery unit. SOLUTION: The electric vehicle comprises a motor 3 to travel the vehicle, and a battery pack 1 for feeding power to this motor 3. The battery pack 1 is divided into a plurality of battery units 1A. Each battery unit 1A has a secondary battery 11 built therein. The plurality of battery units 1A are fitted in an attachable/detachable manner so as to hold a vehicle frame 2. In addition, each battery unit 1A is fitted in an attachable/detachable manner independently.
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