5V 2A USB DIY Power Bank Case Kits Fast Charging For 2*18650 Storage Box
ab 3,56 €
Step up module. Adapter Module. Step down module. Display module. Wireless module. Easy to use, this product is a separate line with anti-reverse protection, the battery can be installed at random, installed reverse will not burn the board, two batteries have a loaded right can be used normally!
Jetzt bei Ebay:
