这是一个3000F的超级电容，这个将它拆解看一下内部结构 ... https://www.youtube.com/watch?v=th_xIGpZ0C4

In this video, I will show you how I can create a variable laboratory power supply from a computer ATX. Don't throw away these old ATX power supplies! These are very useful for any electrical project. Its main unit is a SK35 digitally controlled step-up and step-down converter module, which can be adjusted in the range of 0.5-36 V and 0-5 A. There is also a QC3.0 fast charging module, which can quickly charge mobile phones or other USB devices. You will only need some basic components to make this power supply. The following is the purchase link of the basic components 4mm Banana Plug Socket-https://amzn.to/3r618WU DSP5005 Buck Converter -https://amzn.to/30POBMU Panel Mount Fuse Holders -https://amzn.to/2ZiaPpQ M3-0.5 Threaded Heat Set Brass Inserts -https://amzn.to/3r2NELB Dual USB Charger Socket with On/Off Switch -https://amzn.to/3r6wmxo Round power Stitch - https://amzn.to/3oYTpY6 Thanks to Edward Cooper for sharing the 3D model file https://www.thingiverse.com/thing:5028820 ... https://www.youtube.com/watch?v=uS7d-ePfHuc