Uploaded January 2017 | Updated September 2026, 2 weeks ago
BIG test of 20+ of the common cells from Ebay! Why are they so damn cheap??
Part 2:
http://diytechandrepairs.nu/fake-scam-18650-batteries/
Test scenario:
Discharge tests done between 4.2 to 3.2V.
Current: 500mA
Ending current: 20%
2 cycles.
Wait time between charge and discharge set to 3 minutes
Charger used: iCharger 308Duo that have been tested to make sure both channels follows specs and give even result
All data logged via Logview on a computer attached to the charger.
All data will be presented in a Google Spreadsheet and all graphs included!
When all discharge tests are done the cells will also be cut in half to see whats actually are inside them.
I will not be testing things like: Max current draw. Cut off limits on the BMS built inside them.
This test is only going for if they have the capacity rated and if they will be able to substain a decent output at 500mA.
I do not have the time to do a more extended test than this at the moment!
Do you want to contribute?
Patreon: patreon.com/DIYtech
Or more of direct style you can paypal me at paypal@romer.se / paypal.me/diytechandrepairs
Music:
JJD - Adventure NCS Release
youtube.com/watch?v=f2xGxd9xPYA
JJD
• soundcloud.com/jjdofficial
• facebook.com/jjdofficial
• youtube.com/user/JJDofficial
BIG test of 20+ of the common cells from Ebay! Why are they so damn cheap??
Part 2:
http://diytechandrepairs.nu/fake-scam-18650-batteries/
Test scenario:
Discharge tests done between 4.2 to 3.2V.
Current: 500mA
Ending current: 20%
2 cycles.
Wait time between charge and discharge set to 3 minutes
Charger used: iCharger 308Duo that have been tested to make sure both channels follows specs and give even result
All data logged via Logview on a computer attached to the charger.
All data will be presented in a Google Spreadsheet and all graphs included!
When all discharge tests are done the cells will also be cut in half to see whats actually are inside them.
I will not be testing things like: Max current draw. Cut off limits on the BMS built inside them.
This test is only going for if they have the capacity rated and if they will be able to substain a decent output at 500mA.
I do not have the time to do a more extended test than this at the moment!
Do you want to contribute?
Patreon: patreon.com/DIYtech
Or more of direct style you can paypal me at paypal@romer.se / paypal.me/diytechandrepairs
Music:
JJD - Adventure NCS Release
youtube.com/watch?v=f2xGxd9xPYA
JJD
• soundcloud.com/jjdofficial
• facebook.com/jjdofficial
• youtube.com/user/JJDofficial






![DIY Spot welder build - Cheapest out there! Part 1/2
How to build your self a working spot welder with cheap components. Can it be done cheaper than soldering?
More information below!
Budget simple diy spot welder build. How hard can it be? Its not that hard and in this video i show one type.
It easily breaks the cheaper 788 spot welder on ebay.
Everyone can build it but if you want something that is ready to go then check out the 709AD below!!
Suunko 709AD spot welder: (Improved version!)
Ebay: https://goo.gl/zXHJVm
Amazon: http://amzn.to/2zK6YAw
Spot welder pen:
https://goo.gl/qt51Rc
Another type welder pen:
https://goo.gl/u7suhc
Microwave transformers (MOT)
https://goo.gl/aBnTx2
5VDC buck converter:
https://goo.gl/DEiuB7
Smaller SSR relay:
https://goo.gl/3UicXM
Larger SSR relay:
https://goo.gl/SnGrga
Affiliate links (Using them helps me with this channel)
Ebay: https://goo.gl/PwRR68
Amazon: https://goo.gl/VSU4YH
Banggood https://goo.gl/fcCjJ5
Become a Patreon? Then use my affiliated link below!
https://patreon.com/invite/bqxpyp
Manage your youtube videos like I do? Use below
https://www.tubebuddy.com/DiyTechandrepairs
Links
To my site and current solar layout:
http://diytechandrepairs.nu/current-solar-layout/
https://www.facebook.com/diytechandrepairs/
http://www.diypowerwalls.com/t-Esperyd-Solar-and-powerwall-system
Steemit if you want to read more!
https://steemit.com/@diytechandrepair
DIY powerwall forum: https://goo.gl/Hfr529
Want to help me out or if you appreciate what i do?
Patreon: https://www.patreon.com/DIYtech
paypal@romer.se / https://www.paypal.me/diytechandrepairs
Song: Elektronomia - Vitality [NCS Release]
Music provided by NoCopyrightSounds.
Video Link: https://youtu.be/IS9azbb9hSA
Download Link: http://ncs.io/Vitality DIY Spot welder build - Cheapest out there! Part 1/2](https://i.ytimg.com/vi/ZbfaXdAENqo/mqdefault.jpg)



