The Sigelei Fuchai Duo-3 is the newest model from the Fuchai series. Featuring a fully upgradeable chipset capable of firing up to 175W with 2 batteries and 225W with 3, the Fuchai Duo-3 is integrated with a fully capable temperature control suite for Ni200, Ti, SS, TCR, and TFR. This box mod has a full-color 1" OLED screen and operates on 3 buttons, utilizing an oversized firing button on top. The Fuchai Duo-3 is powered by dual or triple 18650 battery configurations that can be accessed via removable battery cover designed with a lock switch. This box mod kit comes with both battery doors that can house two or three batteries.