USD
Battery capacity: 1800mAh,
work voltage: 5- 12 v
working time: 6-8 hours
charging time:3 hours
Motor: customized Japanese coreless motor,
Max speed: 12 v 12500 rpm
The battery Dia: 30.4 mm, very light when you working
Pen Grip size: 41 mm, very good for hold.
