Screw in chargers

Feature: Made of high-quality material, durable, firm and stable for us to use. Built in IC for charging protection and efficiency. LED: Red for Charging, Green for Full Charged. Built in over voltage, over current, over charge protection and short circuit protection to ensure safely charge. After fully charged, it will quit charging automatically. Compatible with all eGo series and other 510-thread high capacity batteries. With the convex design, the upgrade version can be compatible with much more 510-thread devices than previous version. 510-Thread USB Charger only.