2.0V to 4.5V In 5V USB Out DC-DC PFM Boost Step-up Power Supply Converter Module
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$3.29
Color
Black
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Description
This DC boost power regulator module is powered by 2.0V to 4.5V DC input, and generates a regulated 5V DC output at 500mA continuous current.
It can be used to step up the voltage from two 1.5V DC batteries in series, or a single 1S, 18650 ...