USB 5V to 1.5V 3V 4.5V Step-down Clip Cable Adjustable Voltage Converter
ab 5,75 €
Output 1.5V Replace 1 AA battery,Output 3V Replace 2 AA battery,Output 4.5V Replace 3 AA battery. output: for DC 1.5V/1.5Amax,3V/1.5Amax,4.5V/1.2Amax(optional). Input: USB for DC 5V 2A. This eliminates the need for 1.5V AA AAA batteries.
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