... such as flash products from Cano, Nikon, Sony and GODOX) andprovides power supply for continuous lights ... Wide Compatibility LED IndicatorsIt powers most Canon, Nikon, Sony, Metz, 4indicators tell the power left; a ... Itcan quickly & efficiently charge any USB-poweredSB900 and Sony F58AM at the maximum power. device(mobile, iphone ... sold separately) PROPAC PB820 Battery Pack (9.6V/2000mAH Battery Block)