This DMW-AC8 DCC8 provides constant power, especially useful when taking long time video. No need to charge battery time by time. | Input:100~240V AC ,1.5A 50~60Hz,Output: DC 8.4V/2A 16.8W | Replacement for DMW-BLC12 Battery, 100% compatible | Put the DC coupler into the battery compartment and close the cover, then connect the power adapter and power. | The Kit includes 1 piece of AC/DC Adapter , 1 AC Cord and 1 DC coupler (DMW-DCC8)