| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery that is hardly deteriorated and can be used for a long time without increasing an economic burden on a user.SOLUTION: A replaceable battery 11 mounted to a small electric vehicle 12 includes: a battery cell 24 having a charged capacity of a predetermined upper limit value; and a memory 33 where information is rewritable on a setting upper limit value of the charged capacity for completing charging which is equal to or lower than the upper limit value of the charged capacity. |
