Diy Automatic charger for lithium batteries

Build a Lithium-Ion BMS with Just 2 Components! (Diode + Resistor DIY Charger for 18650 Cells)

In this long-form video, I take you deep into one of the most mind-blowing minimalist DIY battery projects: creating a basic but functional BMS (Battery Management System) for a single 18650 lithium-ion battery—using just a diode and a resistor.

You’ll learn how this simple circuit:

Limits charging current

Regulates voltage safely

Can be adjusted for multiple batteries

Can replace commercial BMS boards in small projects.

Why spend extra on a full BMS when you can learn how to build a working one from scratch, using just two components? Whether you're a beginner or a DIY electronics fan, this project is for you.


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