Inside MPPT battery charger CHINA

I bought a mppt battery charger from China, it was very cheap, about $ 10. It works pretty well. however after I took it off. It has no inductors and diodes. only mosfet. I was tricked, it's not MPPT, it's PWM. Be careful with battery chargers from China Facebook group : http://bit.ly/CreativeElectronic Download file here : File in http://bit.ly/AllLink #Inverter #12Vto220V