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In this video, I will show you how to convert a non-rechargeable 1.5V AAA battery into a rechargeable lithium battery at home and charge it using a USB-C adapter. To create this rechargeable battery, I will use a 3.7V lithium battery and convert it to 1.5V using the AMS1117 module. For charging the 3.7V battery, I will use the TP4057 charging module. However, due to its unsuitable size, I need to separate the components from the board and modify it to a much smaller size. Join me as I guide you step by step on how to make a rechargeable 1.5V AAA battery.
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