X-1 battery 1100/2200mah mini mod battery
features: 1. mini size: length: 61mm, diameter: 19mm 2. capacity: 1100/2200mah 3. big power: can reach to 35w, can produce clouds of smoke. 4. new design of square design, looks more fashionable. 5. usb passthrough function: with usb port on back bottom part, very convenient to use. 6. short circuit protection: when short circuit happens, the button light will flash 5 times and then power off. 7. atomizer protection: X-1 has a 15 second run time protection, the light will flash 10 times if the button is pressed for more than 15s.