Best PCB prototyping house ($2 for 10 boards): https://jlcpcb.com
Previous video:    • How circuit breakers can save your li...  
Electric Bike Conversion (Part 1):    • Make your own Sensored ESC ||  Electr...  
Battery Type Comparison:    • Battery Type Comparison || Lead Acid ...  
Make your own Li-Ion Battery Pack:    • Make your own Li-Ion Battery Pack  
Battery Spot Welder (CD Welder):    • Battery Spot Welder (CD Welder) || DI...  
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More project information (pictures, parts list,.....) on Instructables: https://www.instructables.com/id/DIY-...

The spot welder that I used in the video: https://www.keenlab.de/index.php/port...
https://www.keenlab.de/index.php/prod...

Parts list (incomplete, see Instructables for more, affiliate links):
Aliexpress:
26x INR18650-25R: https://s.click.aliexpress.com/e/_dY2...
13x Spacer: https://s.click.aliexpress.com/e/_dVZ...
7mm x 0.3mm nickel ribbon: https://s.click.aliexpress.com/e/_d6k...
13s 20A BMS: https://s.click.aliexpress.com/e/_BfZ...
10 AWG Wire: https://s.click.aliexpress.com/e/_dYe...

Ebay:
26x INR18650-25R: http://rover.ebay.com/rover/1/711-532...
13x Spacer: http://rover.ebay.com/rover/1/711-532...
7mm x 0.3mm nickel ribbon: http://rover.ebay.com/rover/1/711-532...
13s 20A BMS: http://rover.ebay.com/rover/1/711-532...
10 AWG Wire: http://rover.ebay.com/rover/1/711-532...

In this episode of DIY or Buy I will show you how to create a proper EBike battery pack. The main components for the build are Li-Ion cells, nickel strips and a BMS. At the end of the project I will then conclude whether DIYing your own battery pack is cheaper than buying a premade one.

Thanks to JLCPCB for sponsoring this video
Visit https://jlcpcb.com to get professional PCBs for low prices

Music:
In the Hall of the Mountain King, Kevin MacLeod
2011 Lookalike by Bartlebeats
Killing Time, Kevin MacLeod
(incompetech.com)