Used 18650 batteries: application, disassembly, testing.
I'll tell you how I mine, test, and use 18650 batteries. I'll share my findings and practical experience in disassembling batteries, testing them, statistics on successful batteries, and my plans for the future.
https://secondlifestorage.com/celldat... - battery database
https://www.repackr.com/#/pack-builder - online cell selection by capacity for packs
https://secondlifestorage.com/index.p... - forum about DIY PowerWalls
Enjoy watching!
https://t.me/+i3-2iTxhWVA1Nzky
Live chat here, everyone's invited