Charge your lights, camera, or other L-series devices with the 74.37Wh L-Series/NP-F970 Lithium-Ion Battery. This high-capacity 6600mAh, 74Wh battery is compatible with most cameras, lights, and monitors powered with L-series batteries. L-series/NP-F970 lithium-ion battery 66000mAh, 74.37Wh capacity; 7.4V output