The RP-NPF1000 Lithium-Ion Battery Pack from Hedbox is designed for powering select Sony camcorders and other devices, such as LED lights and field monitors, that accept an NP-F style battery. The RP-NPF1000 battery can power for over 10 hours at full load. It has an output of 7.4V and a capacity of 10,400mAh and 77Wh. The battery pack features a 4-LED power meter which displays the remaining battery percentage at 100, 75, 50, and 25%, and a built-in data communication chip that allows the battery to sync with the camcorder, displaying the exact power percentage on the LCD screen.