SJ propo is a specialised RC Manufacturer (OEM/ODM for many famous brands) from Korea , since is founding, SJ propo has focused on R&D to produce innovative quality products. Their products offer a superior performance/price ratio.

With great pleasure we would like to introduce the eXtreme power FullyMax Lipo batteries to you.  Fullymax is one of the top batteries manufacturer which have been producing batteries catering to the RC market. Besides having a large and well equipped factory, they also conduct extensive R&D activities in order to be at the cutting edge of the power technologies. These enabled them to produce excellent products with high quality control.