Sony NP-F970 Battery

With a capacity of 47.5 Wh, it offers up to 18 hours of continuous recording time. Additionally, this long-lasting battery features a built-in microprocessor that accurately calculates remaining battery life in minutes. The NP-F970 InfoLithium L Series Rechargeable Battery Pack is designed to work with Sonys DCR-VX2100 / HVR-Z1U / HDR-FX1 Handycam Camcorders.