LED WALL DC FUNDAMENTALS EXPLAINED

In no way connect an LED specifically throughout a battery or other power supply – it will burn up out. Often link a light-weight emitting diode (LED) in series having a resistor.5A或10V 4A。后来华为又在SCP协议基础上增加了电荷泵技术，将电流从4A提升到8A，实现了充电功率40W的超级快充，后面也出现双电�