Learn how to make your own battery with my book DIY Lithium Batteries: http://amzn.to/2jbxvzS or check out my second book - The Ultimate DIY Ebike Guide: http://amzn.to/2BGx4Fn The battery building kit in this video is from www.Vruzend.com Checkout EV Madrid! null 48V 14.5 Ah Hailong (shark) battery: https://goo.gl/jg429Z 36V 11 Ah bottle battery: https://goo.gl/Snja5H All ebike batteries: https://goo.gl/FLC3cK All 18650 cells: https://goo.gl/hYWnwU Bafang BBS01 kit: https://goo.gl/6wi43g Bafang BBS02 kit: https://goo.gl/GWLRxo Bafang BBSHD kit: https://goo.gl/LgtBry 100W Flexible solar panel: https://goo.gl/dQPhQX The parts that I use for building batteries: 18650 cells: https://goo.gl/hYWnwU 18650 positive insulating washer: https://goo.gl/HBVOuc Nickel strip: http://goo.gl/VIrNQq Spot welder: https://goo.gl/KN3Uaw BMSs: http://goo.gl/S6gSQx Silicone wire: http://goo.gl/xmpbKD Black 18650 cell spacers: http://goo.gl/hQxWF6 Vruzend cell spacers: https://goo.gl/5ReLqA Large heat shrink tubing: http://goo.gl/6v1ow9 Small heat shrink tubing: https://goo.gl/OU3Z6u Foam sheet for protecting battery: http://goo.gl/5e71tE Kapton tape: https://goo.gl/D6BT57 Chargers: https://goo.gl/js0T0V 350W hubmotor: https://goo.gl/K1mYvR 36V/48V controllers I used: https://goo.gl/nJBnJP Throttle: https://goo.gl/UebsNC Cycle Analyst: https://goo.gl/RsmE3N **Question response book giveaway rules** When you guys asks questions in the comments of my videos, I'll try to answer them. If there are questions that I think would make a good video response, I'll choose them to do a longer segment. If I choose your question for a video response, you'll win a copy of my book The Ultimate DIY Ebike Guide (the paperback or the ebook), or my book DIY Lithium Batteries. Here are some things that YouTube makes me say: This contest is not sponsored by YouTube and YouTube isn't affiliated with it. I'm supposed to provide a link to the community guidelines for YouTube (null. YouTube is not a sponsor of this "contest" and by participating, you are releasing YouTube from any potential liability, whatever that might be. Privacy notice: I won't steal your info. If you do win, you can choose to send me your address so I can mail you a paperback copy of the book (or some other prize if that changes) or you can send me an email address and I'll send you a copy of the ebook. I will do everything in my power to immediately forget your personal information afterwards.