A tool discharges one battery pack and a charger simultaneously charges another battery pack to provide for continuous and circular operation of the tool. The ratio of the discharging time to the charging time is approximately 25:35.
申请公布号
US2012227994(A1)
申请公布日期
2012.09.13
申请号
US201213405700
申请日期
2012.02.27
申请人
YANG DEZHONG;ZHANG QICHUN;XU HAISHEN;DUAN JUNYA;DU HAO;CHERVON (HK) LIMITED
发明人
YANG DEZHONG;ZHANG QICHUN;XU HAISHEN;DUAN JUNYA;DU HAO
