I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight and size. So instead of flying for 15 min, now you can fly for 45 min.

Content of the video:
0:00 Intro
0:15 Preparations of the airplane
1:27 Warnings about Li-ion batteries
1:50 About 18650 cells
3:20 What you need to make the battery
3:55 Making the battery
5:25 Battery Song ♪
6:09 last steps
6:41 Charging
7:13 Performance test LiPo vs Li-ion
9:45 Conclusion

Materials:
Spot Welder: https://bit.ly/3uGHv9I
Tape: https://bit.ly/3uJkIKz
XT60 connectors: https://bit.ly/3sBZgo2
Balance leads: https://bit.ly/3uJnEqG

Important!
Batteries of this kind are dangerous, if you don't handle them well it could result in an accident.

Recommendations for making your own battery at your own risk:
Safety and general info:    • 7 Steps On How to build The Safest DI...  
Charging the batteries:    • Is it safe to charge Li-Ion packs on ...  

Using a flight controller in an RC airplane
   • Using a Drone Flight Controller for A...  

Buy the Tanar kit: https://joyplanes.com/en/product/tana...
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