5 Stck. Power Bank Ladegerät Modul 3USB Zum Selbermachen Mobile Leiterplatte 2 Pins 5 V 2,1 A Neu
8,14 €
Number of Pins: 2. Feature: 1. Connect the positive pole of the lithium battery to B+, and connect the negative pole of the lithium battery to B‑. Note that the B+ and B‑ of the boosted battery must not be connected reversely, they will burn.
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