3pcs RobotDyn? DC-DC 0.9-5V to 5V 500mA Converter Step Up Boost USB Module Board

3pcs RobotDyn? DC-DC 0.9-5V to ...

Feature: It is ultra-small step up booster, converting 0.9V-5V to 5V. Use for charge of smartphones, power supply for circuit boards to 5V, digital products supply. Onboard have terminal block for input and USB-A socket for output 5V. LED (green) power indicator. Technical details: Input voltage: DC 0.9V ~ 5V Output voltage: DC 5V Output current: 500mA(max) Conversion efficiency: 96% (max) Frequency: 1.0MHZ Package includes: 3 x Converter