Product description
The Battery Pack BP-300 works perfectly with the ELAN 7/7e & 7n/7ne. It has a comfortable Vertical Grip with controls including Shutter Release and AE Lock. Compact and lightweight, it accepts 4 AA batteries or two CR123A lithium batteries.
Amazon.com
The Canon BP-300 battery pack is an external battery pack dedicated to the Canon Elan 7 and 7ne SLR cameras. The pack can be used with either four AA-size batteries (alkaline, Ni-CD, or NiMH) or two CR123A lithium batteries as an additional power source. On the vertical grip, it also features a shutter release button, on/off switch, and an AE/FE Lock button for greater convenience and vertical control.
