Finally - 48v 21700 Cell modules

33:50
Testing max output of 2170 cell PCB

26:51
The latest 21700 lithium cells - Free Gerber file

28:32
Building DIY Powerwalls using PCBs v1.3

16:28
The 60kWh Tesla Battery Powered DIY Powerwall

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DIY 48V Lithium Battery - Step by Step Build - Nissan Leaf Cell Modules

17:01
Creating my single biggest D.I.Y. battery with 2800 18650 cells recovered from used laptop batteries

17:19
Current Sharing 101 w/ Large LiFePO4 Battery Banks

22:08