A Li-ion battery is a type of rechargeable battery composed of cells in which lithium ions move from the negative electrode through an electrolyte to the positive electrode during discharge and back when charging. Li-ion cells use an intercalated lithium compound as the material at the positive electrode and typically graphite at the negative electrode.
source/image(PrtSc): Penguin DIY
In this video I show how to turn a non-rechargeable 1.5V battery into a rechargeable lithium battery at home and charge it with an adapter.
To make this rechargeable battery, we use a 3.7 volt lithium battery and bring it to 1.5 volts using a reducing regulator.
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To charge the 3.7V battery, we use the charging module, but due to its inappropriate size, we have to remove it from the board and change it to smaller dimensions./Penguin DIY
