The G Pen Hydout 510 Cartridge Battery delivers professional-grade performance with universal compatibility for most 510 cartridges up to 2G. Featuring intuitive breath activation and a digital display for real-time monitoring, this device offers precise control through adjustable voltage settings to customize your experience. The integrated 10-second pre-heat function ensures optimal vapor production from the first draw. With a robust 400mAh battery and USB-C pass-through charging, you'll enjoy extended sessions without interruption. Engineered for reliability and convenience, the Hydout combines advanced functionality with user-friendly operation.