Don't let the fun stop due to lack of battery power! With the PlayStation3 Quadruple Port Drop-in USB Charging Dock, you'll have everything you need to keep the games going. Containing four-space cradles that allows you to charge and rest a total of four remotes at one time, the dock also includes built-in LED indicator lights. Need to know where charging is holding? The unit's multicolored LED lights notify you of each controller's charge status: Red for battery empty, yellow for charging, and green for fully charged.