NP-F970 Single Shop Premium L-Series Battery for Sony Camcorders (6600mAh) Rechargeable Lithium-ion battery pack designed for Handycam camcorders 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 Features 30% more stamina than the NP-F960 rechargeable battery pack