Homemade Mini Circular Saw DIY Power Supply by Laptop Battery
The table saw the peak power of 40 watts, suitable for processing model small.
The maximum cutting thickness 12mm, diameter of the saw 44mm.
Motor with high torque DC motor, rated voltage 15V, using an external DC power supply, completely eliminate the hidden dangers of electricity, safe and reliable.
The shell adopts imported acrylic sheet, beautiful compact
2 or 4 Cells laptop take from old batteries or buy from EBay ( 1500 - 4400mAh )
You can working with 110-220V to 9 volt Power Adapter
Switch power, tools and few time holiday for do it and it nice work: