I followed a YouTube “Battery Hack“ and Wasted 30 Days!

1-8 Layers PCBs for $2. Flexible PCB coming soon: Try the world’s most trusted PCB design software, Altium Designer with 365, for free and 25% off your purchase: ! Previous video: 555 Timer video: The video that was sent to me: Facebook: Twitter: Instagram: Support me for more videos: Websites which were shown/used during the video: In this video we will be having a closer look at Desulfator circuits. A while ago a viewer sent me a link to a YouTube video in which someone made his own DIY design that he then used to “revive“ and old lead acid battery. By doing that the original capacity of the battery got restored. That sounds too good to be true. So I made my own design, did tests for more than 30 days and ultimately decided whether all of this is fake or real. Let’s get started! Thanks to JLCPCB for sponsoring this video. Visit to get professional PCBs for low prices. Thanks to Altium for sponsoring this video. 0:00 The Suspicious YouTube video 1:22 Intro 1:43 Desulfator Basics 2:59 My Car Battery is Done for 3:56 Testing my 2 Lead Acid Batteries 4:44 How does the Circuit from the Video function? 6:19 Testing the Circuit from the Video 7:03 My own (better) Desulfator Circuit 9:35 30 Day Test with my DIY Design 10:11 14 Day Test with Commercial Desulfators 10:44 Verdict