Important:
This is an experiment, not a call to action. Compression might short cells and destroy them.
More details about compression in future videos.
Cells were purchased from the store: https://s.click.aliexpress.com/e/_AY9aHA
seller: liitokala Official Store
Test params:
Cells charged to 3.65V (till charger amps dropped to 100mA)
Cells discharged to 2.5V
Discharge current 75A (+4A) / 0.13C rate
Ah before compressing 480Ah
Ah after compressing 488Ah
Capacity tester: https://amzn.to/3F0PXTZ
As an Amazon Associate I earn from qualifying purchases.
Timecodes:
00:00 Intro
01:13 discharge uncompressed cells
01:35 uncompressed cells discharge result
02:49 disassembling pack
03:02 prepare to compress cells
03:18 adding additional insulation
03:29 compressing cells
05:15 compression result
05:33 building busbars
06:45 assembling pack
07:10 charging compressed cells
07:33 compressed cells discharge result
08:17 return/refund status
09:39 compressed cells discharge result
10:26 outro