Micro USB/Type-C Power Bank Case DIY Battery Charger For 18650/18700/20700/21700
ab 4,33 €
Welding-free kit: can be loaded with one 3.7V18650/18700/20700/21700 lithium battery. Step up module. Adapter Module. Step down module. Display module. Wireless module. Receiver&Transmitter. Breadboard Cable and Prototype.
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