The Battery Pack BP-300 was exclusively designed for the EOS ELAN 7/7E. It has a comfortable Vertical Grip with controls including Shutter Release and AE Lock. Compact and lightweight, it accepts 4 "AA" batteries or 2CR123A lithium batteries.
An external battery pack dedicated to the Canon ELAN 7. The BP-300 can be used with either four AA-size batteries (alkaline, Ni-CD or NiMH) or two CR123A lithium batteries as an additional power source. It also features, on the vertical grip, a shutter release button, on/off switch as well as an AE/FE Lock button for greater convenience.