अंदर से Amaron inverter 1250* माॅडल को खोला | Copper जा Aluminum transformer ? 

Amaron inverter 1250* model inverter unboxed from inside. Features,build quality and transformer material whether it's copper or aluminum fully explained in this video.
All other parts like cooling fan, other features like wiring are also explained in this video.
*May be representative only of fictions only, may not be the actual inverter model shown in this video.