This professional CP-80 External Flash Power Battery Pack for Canon is designed to charge speedlites with external power input ports and provides power supply for continous lights. Compatible withCanon camera flashes，it is widely used by press， sports and fashion photographers. Ittakes only one second to charge flashes at the maximum power， and 250-320 times of flashes in full brightness is supported， which greatly improve your shooting efficiency and reduce working time.Action is better than excitement!                                    Features            <br> New and high quality<br> With high performance flash power source， it delivers instant flash recycle times on your flash speedlite<br> Provide super performance in the aspect of safety and reliability<br> It is easy to take along with on your trip<br> Very suitable for using in continuous flash<br> It is especially useful on press， sports and fashion photographing<br>                                                            Specifications             Dimensions     (6.81 x 2.8 x 1.1)" / (17.3 x 7.1 x 2.8 ) cm (L x W x H)    <br> Weight     9.1 oz / 258 g    <br> Color     Black    <br> Battery     8*AA LR6 Alkaline or Ni-MH Rechargeable Batteries    <br> Flash Charging Time     Approx 2s6. Compatible with: Canon Camera     <br>                                                             Package Includes            1 x Flash Compact Batteay Pack <br>1 x Bag<br>1 x Manual<br>