Eleaf continues to expand its popular iStick lineup with the all-new iStick X40 Kit with GTL X Tank. Combining a compact form factor, a powerful 3000mAh built-in battery, and a maximum output of 40W, this kit is designed for users who value portability without compromising on performance. Paired with the upgraded GTL X Tank, the iStick X40 delivers a practical and user-friendly experience for everyday use.

Compact Design with Long-Lasting Power
Despite its pocket-friendly size, the iStick X40 is equipped with a robust 3000mAh built-in battery, providing extended usage throughout the day. Supporting 5-40W adjustable output and USB-C 5V/2A fast charging, the device offers reliable performance while minimizing charging downtime. Eleaf also states that a full charge can support up to three days of use under suitable conditions.

Bright 1.05-Inch TFT Color Screen
The device features a 1.05-inch TFT color display with five customizable UI themes, allowing users to personalize the interface. The intuitive controls make wattage adjustment and device operation simple, while the button lock function helps prevent accidental activation during daily carrying. Firmware upgrade support also allows future performance enhancements.

GTL X Tank for Convenient Daily Use
Included in the kit is the GTL X Tank, featuring a slide-open top-fill design that makes refilling quick and convenient. Its top airflow adjustment system is designed to reduce leakage while providing precise airflow control. The tank is fully compatible with all GTL series coils and comes pre-installed with the new GTL-D 0.8Ω and 1.2Ω mesh coils, offering users multiple configuration options.

Practical Features for Everyday Carry
The iStick X40 focuses on usability with several thoughtful features, including:
Adjustable output from 5W to 40W
3000mAh built-in battery
USB-C 2A fast charging
1.05-inch TFT color display
Five selectable UI themes
Button lock function
Firmware upgrade support
Compact and ergonomic design
GTL X Tank with top-fill and top airflow
Compatibility with the complete GTL coil family

Final Thoughts
The Eleaf iStick X40 Kit with GTL X Tank combines portability, reliable battery life, and practical everyday features in a modern package. From its colorful display and customizable interface to the leak-resistant GTL X Tank and broad GTL coil compatibility, the kit is positioned as a versatile option for users seeking a compact yet capable device. If you're looking for a lightweight setup that balances convenience and performance, the iStick X40 is certainly worth keeping an eye on.