c) Charging time may be longer when the room temperature is below 10 °C, which is a
normal.
d) Charge the battery in time when the battery power goes low.
WARNING: The maximum operating time is 40 seconds. Allow it to rest for at least 3
minutes before using it again. After 5 cycles of operation, allow the main unit (electric
motor) to cool down to room temperature. Allow it to cool down for approx. 30
minutes before using it again.
PRODUCT INTRODUCTION