3.7V 5000mAh 18.5Wh 107080 35C DIY חיבור 2S 3S תא סוללה עבור מתנע רכב קפיצה כלי עבודה לחיבור נקודתי

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SK35H Dc Dc Step-down Module Buck Boost Converter CC CV 0.6-30V 4A 5V 6V 12V 24V Adjustable Lab Power Supply Voltage Regulator

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