Reuleaux RX2 21700, the newest member of Reuleaux family, is compatible with 21700 battery as well as 18650 battery. Equipped with dual optional high performance 21700 batteries, RX2 21700 is capable of firing up to 230W with 2A quick charge system. Featuring the retractable top filling solution and convenient bottom airflow control, the GNOME atomizer that packs the powerful WM coils for intense flavor can perfectly pair with RX2 21700 in terms of appearance and performance.