This is part 2 of my 3-part DIY electric skateboard build series, and this one is all about the stuff that actually makes the board go—batteries and electronics. I walk through how I set up my LiPo batteries, how I think about wiring everything clean, and how I lay out the electronics so it’s practical for a real ride. This stage is where you can make your build either reliable and safe… or a total headache later, so I’m showing you how I approach it. If you’re building your first esk8, the big takeaway here is planning your battery setup and electronics layout before you lock anything down. I also point you to the DIY parts list I use so you can match components and keep your build organized, and I link the Build Kit Boards kit if you want a simpler path to getting the right parts together. If you’ve got questions, drop them in the comments—this is the part of the build people get stuck on the most, and I want you rolling faster and safer.