The Rhea X box from Aspire works with a single 18650 battery (not included). The mod Rhea X embeds a reliable and responsive chipset that allows the box to develop a maximum power of 100 watts and offer the bypass, TC, Volts and CPS modes! The management of these various parameters is done through a TFT screen with a very clear interface. The Rhea X box is state-of-the-art and boasts a particularly solid construction. Thanks to a high-flying design and a body, partly covered with silicone, the mod from Aspire withstands shocks and falls.