Which is better: 48V or 52V battery?

Learn how to build your own ebike with my book The Ultimate DIY Ebike Guide: http://a.co/2Yys1kf
Or check out my second book - DIY Lithium Batteries: http://a.co/jcc2OzV


The parts that I use for building batteries:
18650 cells (Sanyo GA 3500mAh): https://goo.gl/J6ONJV
18650 cells (another Sanyo GA 3500mAh source): https://goo.gl/f10wHH
18650 cells (Samsung 26F 2600mAh): https://goo.gl/VhpP7T
18650 cells (Panasonic 18650B 3400mAh): https://goo.gl/fvwJZQ
18650 cells (Another Panasonic 18650B): https://goo.gl/tVjREI
18650 positive insulating washer: https://goo.gl/HBVOuc
Ebike battery cases: https://goo.gl/W2DLmE
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



**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 (http://www.youtube.com/t/community_gu.... 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.


Music courtesy of Incompetech ("Groundwork")