2-Pack NP-F970 Single Shop Premium L-Series Battery for Sony Camcorders (6600mAh) Rechargeable Lithium-ion battery 2-pack designed for Handycam camcorders Each battery provides up to 12 hours of continuous recording time 6600mAh storage capacity without the memory effect found in other batteries Built-in microprocessor accurately calculates remaining power within minutes BRAND is Single Shop; not a Sony original item