Biete GENASUN GV-boost voltage boost solar mppt charge controller (62V/8A lithium)

I have for sale 2-years old (only 1 month used) GENASUN industry's most efficient solar voltage boost charge controller. These controller boosts lower-voltage solar panels (from 5V !!!) to charge higher voltage lithium batteries up to 62V (max. current 8A). Main technical data: - 48V Boost MPPT Controller programed for charging lithium batteries up to 62V - can be reprogramed at factory (20$) for any other voltage in the 48V range!!! - 99% Peak Efficiency - Continuous MPPT - Marine-Grade - Advanced electronic protections - still 3 Years Warranty LEFT (5 years is total) (I include original Invoice)! For more information please visit Genasun website! Price is 160€ (new costs 320$). 12€ delivery costs to any E.U. country.