Coming with a 1.3inch large screen, RX2 20700 presents all parameters in a more clear way. Also the dual separate battery bars allows you to know which battery needs to charged or exchanged. Power by dual replaceable 20700 cellls (or dual 18650 cells with the help of battery sleeve),the RX2 20700 with compact size is capable of
outputting 200W power, providing you with large vapor. Only by sliding the back cover, you can replace the cells quickly and easily.