RioRand RRLM2587 DC/DC 3.5-30V to 4.0-30V 5A Booster Converter Step Up Voltage Regulator Powered by RioRand advanced technology Volume: length (3.8) * W (5.2) * (2.0) (CM) Weight 32G Input voltage range: 3.5V-30V (output set voltage higher than the input voltage must be guaranteed) Output voltage range: 4.0V-30V Input maximum current: 5A (based on power conservation under nominal conditions the output current