ITEM NAME:DC-DC Converter Output Step Up Boost Power Supply Module 3V to 5V 1AXP.Module Properties: non-isolated step-up module (BOOST). Output ripple: 30mV (MAX) 20M bandwidth (input 4V output 5.1V 1A). Output Current: Rated 1A-1.5A (single lithium input), the maximum 1.5A (single lithium input).