Sigma PG-21 Power Grip / Vertical Shutter Release for SD14 Digital SLR Camera With 2 Replacement BP-21 Batteries (3400 mAh Total) Designed specifically for use with the SD14 Digital Camera. Holds two BP-21 batteries simultaneously. Doubles the effective shooting time of the camera. Has a vertical grip and vertical shutter release. Includes: Two NP-21 Replacement batteries,