I really like the idea and the concept of this package. I have started putting it together and there are a few key items missing that I am having to make myself. The extended bus bar to join the 2 8s banks together is missing and the main positive and main negative have no bus bars as shown in the directions, as well as 1/4” ring terminals were missing and I had to purchase those also. The directions are not great and are not recommended for a first time DIY, would love to see a video from Sirko posted on how to assemble this would likely increase sales for first time buyers new to lithium. If you have put a battery together before then you probably don’t need the directions but I ended up having to get some help from Milo and he did a good job explaining things to get me started. All in all I love the concept because building this battery allowed me to learn about lithium batteries and the DIY route was cheaper than buying an already built battery, just wish directions were better and all the parts to complete it were there.