I make a lot of my own tools for wood turning and recently decided to add wood burning techniques to my turned pieces. There are several posts on various sites about to build a wood burner from a battery charger. The first step was to purchase a 6 amp manual battery charger from NAPA. I attached a four gang metal electrical box to the back of the charger. A standard light switch was wired into the electrical cord, followed by a 600 watt single pole light dimmer switch. I cut the alligator clips off of the charger cables and ran those cables through a wooden handle that I had turned. The cables are attached to a Euro-connector which I purchased at Radio Shack. The euro connector has to be stripped of all the plastic before it can be used. JB Weld was used to secure this assembly into the turned handle. Nichrome 16 and 18 gauge wire is used to make the burning tips. This wire can be bent and formed to make various designs that can be burnt into wood. A copper nail can also be filed or ground into various shapes and attached to the Nichrome wire. This little unit vaporizes wood and works great. Entire cost to build was $48.00 – fun factor off the chart. Caution – if you build one of these follow all safety precautions. Having some electrical knowledge is helpful. If you want detailed instructions send me a PM. There is a lot of information on how to build this on the web. I would like to thank all the folks on Wood Central for sharing their knowledge.
-- Those that say it can't be done should not interrupt those who are doing it.