SMAKN&reg; Constant Current/Voltage DC Buck Converter 7-40V To 1.25-35V LED Driver Charger Module 8A Module Properties: non-isolated buck non-synchronous rectification module CC CV constant voltage charging module Scope: High-power LED constant current driver, rechargeable lithium batteries (including ferroelectric), 4V, 6V, 12V, 14V, 24V battery charging, nickel-cadmium nickel-metal hydride batteries (battery) charging, solar panels, wind turbines fall pressure regulator Input voltage: 7-40V Output voltage: continuously adjustable (1.25-35V) (applied to the input voltage is higher than the output voltage applications can boost) Output Current:10A(max) 8A (maximum time )(when power tube's temperature exceeds 65 degrees, please add cooling fan)