This free power supply comes as a kit to put together. Those familiar with electronic assembly should find it takes about 30 minutes to assemble.  Use a soldering iron, needle nose pliers, and wire cutters.   Documentation for assembly is provided. Please allow 1-2 weeks for delivery.

                               Electrical parameters:   

                                 Input Voltage:     3.7 – 4.2 VDC

                                 Input Current:  <2A

                                Output Voltage:   approximately 15,000 VDC

                                Length of spark:  1 cm