Hawk-Woods DV-F980 (DVF-980) Sony Replacement Lithium-Ion Mini-DV Battery 7200mAh 52W (7.2V). The DV-F980 offers all the features of the DV-F970 but with the advantage of a higher capacity output. To the eye they are no different, but the DV-F980 is a 52Watt battery delivering an output of 7200 milliamps. This gives the user approx 10% more run time. The battery fully supports the INFO technology Sony relies on to display the battery usage. The Hawk-Woods Mini-DV battery can be charged by any F-Series compatible charger or Hawk-Woods DV-MC2 and DV-MC4.