Battery Voltage
Is there a circut that I can build so that a small voltage battery can charge a high voltage capacitor?
Kinda like in a disposable battery where 2 1.5 volt batteries charges a relatively high voltage capacitor for the flash. I want the capacitor to charge to the highest possible voltage. In this case the capacitor can hold a 200 volt charge…but I don’t have a 200v lower supply.
For short term flash of power the capacitor array in a flash camera is by far the easiest to aquire, safest* (short duration of spark) and should be capable of ramping up to 200V. Be careful to short out the capacitors before handling the board or you will find the experience shocking.
For longer term power arrangements, more than second, a transformer is needed. A step up transformer is two coils of wire that magnetically step up the voltage. If you run too much power through these they burn, so again be very careful, but you can take several transformers off of IC boards and wire those in parallel and series to get to your specs.
Finally, the easy way, a starter coil on a vehicle older than 1974 should produce approximately 250 volts from a 12 volt dc power source like a deep cycle battery. Could be a low dollar purchase at a junkyard near you.
*** SAFETY FIRST. DC POWER CONTROLS THE BEATING OF YOUR HEART. BEST NOT TO SHORT CIRCUIT VOLTAGE OR AMPERAGE WITH THE BODY.
How to: Increase Battery Voltage – connecting inverter / charger batteries in series
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