容量詐欺をしているのはどれだ！？ USB充電できる単3形リチウムイオン電池を分解レビュー

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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/...
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◤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

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