Battery Power Supply Box & Stand For Small Tesla Coil Kit
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Substantial base for tesla coil and with own rechargeable power supply.
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution
I bought this little tesla coil kit from Temu for a few dollars just to play with. Amazon also sales it. It does need a 9-to-12-volt power supply. I decided to run it from (3) AA 3.7-volt lithium cells.
Parts:
- 5.5mm x 2.1mm DC input connector (8mm hole mount)
- 5.5mm x 2.1mm DC inline connector (for tesla)
- (6) 3mm button head screws (4 for cap, 2 for battery holder)
- (3) AA size 3.7-volt lithium cells
- Plastic 3 AA battery holder
- 3 cell, 12-volt BMS charge board (you don't need 60A, that is what I had)
- 12-volt power supply (for charging batteries)
The battery holder leads solder to the BMS 0V and 12.6V points. Solder additional wires to the holder between batteries for the 4.2V and 8.4V to the BMS. The 3 terminal DC input power connector needs a plug connected to it to determine the negative pin. Without it neither pin will ohm out. The plug pushes the contact close. Those wires go to negative (-) and positive (+) charge points on the BMS. The wires coming out of the box to the tesla coil connector inside to the BMS discharge points. (Not shown due to being soldered beneath the board) The 6-point 3D printed plate is an insulator between board and batteries. I hot glued the BMS board to it. Also, I hot glued output wires inside the box for a strain relief. The button (optional) can just be set or be glued on the tesla switch. The three screws from the tesla kit can be used to mount the tesla board to the top. Everything was printed with general PLA settings