When hand feel very hot, please close battery power supply (switch 'off ').
当手感到非常热，请关闭电池电源(关闭)。
Switch your mobile off and take you battery out.
开关你的手机了，带你的电池。
The battery is connected with the motor by an electric rope through a switch.
电瓶和电机由电绳通过开关连接。
The battery is connected with the motor by an electric rope through a switch.
电瓶和电机由电绳通过开关连接。
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