With the Einhell USB Battery Adapter TC-CP 18 Li USB A/C-Solo and a separately available Power X-Change battery, you always have an external power source for mobile devices such as smartphones, tablets, or e-book readers at hand. Its two USB ports allow two devices to be charged simultaneously at 2.0 amperes each or powered with 5 volts. The adapter is equipped with a USB-A port and a USB-C port. An LED display on the adapter's housing shows the operational status at all times. Once the battery adapter is turned on using the button and the LED lights up, the adapter can be used to charge or power small devices. The adapter is delivered without a battery and without a charger.