采用超大容量蓄电池组，能够有效的增加工作时间，延长使用寿命。

Using super capacity battery, can effectively increase working time, prolong service life.

youdao

采用超大容量蓄电池组，能够有效的增加工作时间，延长使用寿命。

Using super capacity battery, can effectively increase working time, prolong service life.

youdao