There's no need to feel powerless when you've got an extra W Series rechargeable battery pack. Made to fit α NEX-3 and NEX-5 cameras, a spare battery pack is perfect for travel or extended photo sessions.
Dimensions (Approx.) : 1 5/16 x 3/4 x 1 13/16 inches (31.8 x 18.5 x 45.0mm)