CowboyStudio PB820 - Cx ProPac Power Pack External Flash Battery Pack for Canon 580EX (II), 550EX, 540EZ Speedlight
This item only takes one second to charge Canon flashes (such as Canon 580EX II, 580EX, 430EZ, 540EZ, 550EX and other flash model with same type of input power port) at the maximum power, and 250-320 times of flashes in full brightness is supported, which greatly improves your shooting efficiency and reduces working time. In the meantime, the product offers versatile compatibility, so that you can charge flashes and other products of different brands simply by replacing the plug-in connector cable.Additional Cables can be purchased for your flash.Please see below for a list of our additional cables.Cx- Canon 580EX II, 580EX, 430EZ, 540EZ, 550EX and other flash model with same type of input power portNx- Nikon SB800, SB900, SB28 EURO, SB28DX, SB80DX and other flash model with same type of input power portSx- Sony HVL-F58AM and other flash model with same type of input power portDirections for UseConnect the Cx Cable to your flashConnect the other end into the Multifunction SocketTurn the battery pack and your Flash onYou can then attach your battery pack via the belt clipThe LED Indicator light will inform you of your battery strength when on-Please note that you must have batteries in your flash as well.  This item only lengthens you’re shooting time and shortens your Recycle time; it does not replace the batteries in your Flash.SpecificationsCompatibility: Canon 580EX II, 580EX, 430EZ, 540EZ, 550EX and other flash model with same type of input power portBattery pack: Ni-MH battery 9.6V/2000mAHBattery charging time: Approx. 2 hoursFlash charging time: Approx. 1 second (full power)Flash time: Approx. 250-320 times (full power)ContainsPB820 Power Pack x1Car Charger x1Charger x1Flash Power Connector Cable for Canon x1User ManualOriginal Manufactory Package