The HED-BP75D BP-U Lithium-Ion Battery Pack from Hedbox is designed to power Sony HD camcorders that use a BP-U style battery. It consists of LG AA high-quality 18650 battery cells and features an output of 14.4V and a capacity of 5200mAh / 74.88Wh. The battery pack includes one USB and two D-Tap outputs with dust covers for providing power to external devices such as on-cameras LED lights, monitors, wireless transmitters, and digital recorders. A 4-LED power meter displays the remaining battery percentage at 100, 75, 50, and 25%. Using the built-in data communication chip, the battery syncs with the camcorder to display the exact power percentage on the LCD screen.