DSTE Pro Multi Power Battery Grip Holder for Nikon D5100 with Remote Battery Grip for Nikon D5100 Digital Camera as Original 100% Brand New, Warranty: 24 Months Hold six AA Batteries or two EN-EL14 batteries to double your shooting time Very suit for portrait shot- Tripod screw mount-Remote control It comes with a signal transferring cable with which you will be able to use a shutter release