Nanjing Chervon Industry Co., Ltd. ;Chervon (HK) Limited
发明人:
Geng Zheng
申请号：
US201615578088
公开号：
US2018152043(A1)
申请日:
2016.06.03
申请国别(地区):
美国
年份:
2018
代理人:
摘要：
A power tool capable of being balance powered by multiple battery packs is provided. A power tool comprising: a motor; a first battery pack; a second battery pack; a first battery receptacle for receipt of the first battery pack; a second battery receptacle for receipt of the second battery pack; a first switch device for connecting to the first battery pack and the motor; a second switch device for connecting to the second battery pack and the motor; and a controller operable to send a signal to cause the switch device opened so as to disconnect the battery pack and the motor when the voltage of the switch device is less than a control voltage.
