I am not for sure if anyone has tried this but I just built a prototype auto charger. What I mean by auto charger is that I can drive my car over the charger and it charges. This was accomplished by adding 2 flexible wires from the bottom of the car so that when it is drove over the charger it makes contact. I use some thin metal strips for the charging rails and wired that to a 3-AAA battery holder. I will be adding this feature to my track so that when I am running low on juice I can just go into the pit and auto charge with out touching my car. I will post some pics for everyone to see how this was accomplished. Please note that this is a prototype so the look of it is not very pretty.
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