Zum Selbermachen 28 x 18650 USB 10W 22,5W Akku Aufbewahrungsbox Schnellladen Powerbank Etui
ab 25,51 €
18650 batteries must use flat headed batteries with consistent capacity. The positive and negative poles cannot be reversed. (Inconsistent capacity may cause the battery to be worn out and the positive and negative poles to be reversed, which can render the product unusable. ).
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