IJoy Diamond PD270 Box Mod - $80 - IJOY Diamond PD270 20700 box mod. The appearance inspired by the multi-faceted diamond cutting technology. The screen itself blends in to the panel, giving the device a unique and classy look. The big size fire button also comes with diamond cutting surface design, match to the entire look. The Diamond PD270 comes with instant fire speed, large OLED display, fire up to 234 watts, NI/TI/SS temperature control support, suitable for large diameter tanks, USB port charging support and firmware upgradeable. Equipped with IJOY 20700 battery, the Diamond PD270 providing a longer battery life, users can also use 18650 battery with the included 18650 adaptor.