The unit features a 8V and a 12V output, ideal to power cameras, monitors, lights, and other accessories. The 5-volt USB port can be used to charge mobile devices as well as power any 5v accessories (example audio recorders). The Porta-Pak has a 4 segment LED display that shows battery level. Located on the side, it's easy to read during production. The Porta-Pak includes a small, lightweight charger which provides a quick charge current of 2A. This is a dedicated 12v charger must be used to recharge the Porta-Pak through the 12v port. This portable charger features a male 2.1mm on one end and U.S. wall plug on the other, and it supports 90-240 VAC worldwide input voltage. The charger also has an LED indicator on the front that changes from red to green when your battery is fully charged.