The Panasonic VW-VBN130 Battery Pack is a replacement or additional battery for HDC-TM900, HDC-HS900, HDC-SD900, and HDC-SD800 camcorders. When the camcorder is recording to an SD card in HE mode and using the LCD screen, the rechargeable Li-ion battery (1250 mAh) is rated to provide a continuous recording time ranging from 1 h 20 min to 1 h 45 min, depending on the model and region(NTSC or PAL).