The Wismec Predator 228 is a compact dual 18650 mod (not included),designed by Sinuous designs in USA, reaches 228W Max output. Features a quick charge system, large OLED display, ergonomic size, as well as many more features waiting for you to discover. The Predator features a stealthy lateral fire button along the side of the device for the most ergonomic firing experience. Integrated with a Quick Charge feature, the Predator supports 2A charging to rapidly charge your batteries inside the device. The Predator also features Balance Charge technology, which charges both batteries equally to bring you the safest charging method. Wismec & Sinuous also designed the Predator to feature Buck-Boost Technology to ensure a consistent power output. A Reverse Charging capability has also been implemented to serve as a power bank to charge external devices through the device's micro USB port. Compiled with innovative features wrapped up in a high quality box, the Predator 228 rivals other devices in its platform.