DIY EZ Portable Charger Box
thingiverse
This project is a box to create a DIY Portable Battery Charger. It includes the cover of EZ Charger, two models of the box: one with a key hole and another simple model. It has two openings (input & output) to connect devices and put a charging module to recharge the internal battery. Dimensions are 2 inches high x 1 inch wide x 3/4 inch thick. To start, you need several components: 1. A small Li-ion battery with a 3.7-volt rating (or a similar cellular battery) 2. One USB female connector 3. One TP4056 charging module featuring integrated LEDs 4. An LM7805 transistor rated at 5 volts 5. Some assorted wires for connections
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