Рет қаралды 40,520
Single port- bit.ly/2M1B3VZ
Single port with Led- bit.ly/2AQI7iN
Dual port- bit.ly/2MtD1dT
IN this video i bought 3 very common solar usb charge controllers or solar voltage regulators. I ranked them based on the voltage drop. you can use them in your solar usb chargers. or you can use a higher voltage source to run a 5V gadget.