Indipro B-Stock products may show various signs of use, such as dents or scratches that do not affect product function. All B-Stock items have been quality tested and comes with a 30 day limited warranty. Power USB accessories on set with this D-USB Adapter by plugging it into an available D-tap on your battery. The USB port will output 5 volts of power at up to 1.6 amps, enabling it to power most USB devices on set, including smartphones and some tablets. A D-tap output is also offered, so you can still power you D-tap accessories while the D-USB is in use.