DeWalt 20V Max 3.0Ah Battery Pack Teardown & Analysis

https://syonyk.blogspot.kr/2016/09/dewalt-20v-max-30ah-battery-pack.html


https://how-to-repair.org/repair/how-to-repair-a-dewalt-battery-charger/35-dewalt-20v-lithium-battery-rebuild/3zhOpgZPoy8.html


得伟20v工具锂电池  真相披露:
http://bbs.mydigit.cn/read.php?tid=1681703


bosch battery   DIY: Increase Battery Capacity By Changing 18650 Cells
https://www.youtube.com/watch?v=3M4blJoqiLk