How BAD are cheap 18650 Li-Ion batteries from China?
Автор: Hacker University
Загружено: 2021-11-24
Просмотров: 9701
Описание:
China is a magical place where you can get everything for a fraction of a price. Like 10000mAh 18650 LiIon batteries for $1.5. Of course, we have to begin with a note, that there are no 10000mAh 18650 batteries. Technology does not allow for such energy density. And if they would exist, they would not cost $1.5. Closer to $15. Anyhow, I've bought a couple of cheap 18650 on Aliexpress and tested them with a DIY OpenSource OpenHardware Arduino-based battery discharger.
Here are the results of brands like Mr. Henry, UltraFire, GTL EvreFire, SkyWolfEye, and so on... Are they worth the price? NO!
Results: http://bit.ly/2JS3jJF
18650 Li-Ion Batteries http://bit.ly/2OxtRPl
QuadMeUp Discharger on GitHub https://github.com/DzikuVx/quadmeup_d...
#quadmeup #18650 #test
0:00 Intro
0:28 Cheap 18650 Li-Ion batteries from China
3:31 Battery discharger and test procedure
7:06 The 18650 Li-Lion test results
11:41 Summary
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