I know I am getting tired watching myself talk about batteries. But it’s just fascinating to me to refine the build and power management process of readily available LiFePO4 cells. There are so many kinds! And they keep improving. I guess I have China to thank for that, so much of Maker / electrical components can be found from inexpensive Chinese distributors, making it easier and easier to have your own DIY projects.

Anyway, here’s the latest in my series of portable battery builds. I found some really cheap 7Ah cells on Aliexpress, and had to try them out. I don’t want to become “the Battery Guy” since there are tons of people already doing that– and much much better than me. However, I want to share in the collective knowledge. Here’s the latest test of the promising specifications of LiitoKala 32700 batteries.

 

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