Uploaded September 2017 | Updated September 2026, 1 week ago

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This video explains some basics about LiIon batteries, how to charge multi cell packs and how to build a multi purpose battery pack for a power tool. The pack can also be used with an inverter to power other mains voltage tools. The parts are 3D printed and some wiring is done.

The files can be found here:
github.com/bitluni/Power-Pack

Links to the parts (I get small cut at no extra cost for you):

The chargers:
LiitoKala Lii 500
http://s.click.aliexpress.com/e/zNnqv7U
ebay.to/2wRW3mW
amzn.to/2eWIHBs
iMax B6
http://s.click.aliexpress.com/e/jEMN7yn
ebay.to/2xmxqSB
amzn.to/2eNuL9i

JST connectors
ebay.to/2xdzEmr
http://s.click.aliexpress.com/e/vVFIUBi
amzn.to/2wPnZKB

Good crimp tool
amzn.to/2eW5oFX
ebay.to/2xlY8Lc

18650 batteries
amzn.to/2eUZlBI
ebay.to/2whfuUE

Twitter: @bitluni

If you like the video consider supporting my work on Patreon and get some extras:
patreon.com/bitluni