Reuleaux RX2/3, an updated version of Reuleaux series, designed by JayBo, features the replaceable back cover for two or three cells. With two cells, the maximum output power is 150W while the output power reaches 200W with three cells. And the maximum output voltage is 6V and 9V respectively. Powerful yet intelligent, the equipped variable temperature control function and upgradeable firmware with custom logo. Multiple colors options.