EXTENDED BATTERY LIFE - Doubles your shooting time by holding one EN-EL15 battery or six AA batteries, ensuring you're always ready to capture the perfect shot on your Nikon D7100/D7200. ERGONOMIC DESIGN - Provides a comfortable and secure grip for vertical shooting, enhancing handling and stability, which is essential for portraits and action photography. ADDED CONTROLS - Features a vertical shutter release button, and command dials, mirroring your camera's controls for intuitive operation in both landscape and portrait orientations. ENHANCED COMPATIBILITY - Designed as a replacement for the Nikon MB-D15, it seamlessly integrates with your Nikon D7100 or D7200 DSLR, maintaining all camera functions.