USB 6 x 18650 Akku Gehäuse LCD Display Powerbank DIY Kit Handy Ladegerät Box
ab 7,21 €
Battery should be flat 18650 battery, 65MM long, no protection plate. Pointed batteries can not be used, are large internal resistance, low capacity, small current batteries. Can only use the 18650 battery of which positive electrode is flat top.
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