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◤Previous Videos ◢
Measuring the capacity of AA batteries    • どの電池が一番長持ちするのか調査 【ダイソーの実力】  

Batteries used (Amazon Associate Link)
SMARTOOOLS https://amzn.to/3tVqmem
Deleipow https://amzn.to/3SmL68Q

◤Link ◢
Ichiken's electronics products and T-shirts can be bought here https://www.amazon.co.jp/stores/page/...
Official LINE (for project proposals, etc.) https://lstep.app/pgx0aZX
Official web page (company inquiries, etc.) https://bit.ly/ichiken-ad
Official blog https://ichiken-engineering.com/
Twitter   / ichiken_make  

◤Power semiconductor related videos ◢
Playlist    • パワー半導体関連動画  

Equipment used ◢(including amazon associate links)
Oscilloscope Teledyne LeCroy HDO6104B 1GHz model https://teledynelecroy.com/japan/prod...

◤Table of Contents ◢
00:00 Found a battery type lithium ion battery
01:05 What I purchased this time
02:20 Handling under the Electrical Appliance and Material Safety Law
03:40 Checking the battery's characteristics
06:30 How the protection circuit works
07:33 Disassembling and looking at the contents
10:20 About output noise
11:21 Charging from the output terminal...
11:52 Behavior during complete discharge
13:19 Introduction of sponsors
13:58 Measuring battery capacity and exposing fraud
17:03 Summary of this issue
17:53 ICHIKEN products are now available for sale

◤Business-related inquiries ◢
Learn more about Ichiken's PR services https://bit.ly/ichiken-ad
Email address [email protected]
We are available for sponsorship, PR and more. Please feel free to contact us.