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FeatureEasy to Use --- allows to set volts and limit the current, power on off and accurate voltage ..
Constant Voltage / Constant Current; Lock Function; ..
Input voltage range: DC 2~14V Output voltage range: DC 3~30V Output current: 4A Out..
USB Boost Converter Cable 5v to 9vParameters:Input Voltage: DC 5VOutput Voltage: DC 9VOutput Current..