DC 0.9V-5V To 5V 600mAh Power Bank Circuit Step Up Boost Converter Power Supply Voltage Module USB Output Charging

Xcluma 0.9v ~ 5v to 5v 600ma usb output charger step up power module mini dc-dc boost converter0.9v ~ 5v to 5v 600ma usb output charger step up power module mini dc-dc boost converter1.The onboard subminiature pfm control dc/dc boost controller chip2.Any input 0.9 v ~ 5 v dc voltage, stable output 5 v dc voltage3.The onboard usb female, can be directly to the usb interface equipment power supply 4.The onboard the input voltage indicator light5.Pcb size: 34 x16.2 (mm) (mm