Electronics > Beginners
charger to charge a 2.7volt capacitor at around 3Amoa
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nickeevblog10:
I want to make one of these. I found some old kits no longer available but wondering can this be done, I do not have much money and I can solder and identify electronic components. To charge a 2.7V 500uF capacitor (I have the capacitor specification sheet).
ledtester:
A bench power supply is the most straight-forward way to do it:



A cheap LM2596 buck converter module should be good for 2A. You might be able to get 3A by using a better heat sink and active cooling. Here's a video which tests it under various conditions:

https://youtu.be/bK-yif8qqsc

You might get some additional ideas from this Julian Ilett video:

https://youtu.be/MdqJcrDiKN4
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