Extend your shooting sessions and master vertical composition with the Nikon MB-D10 Multi-Power Battery Grip. Engineered for the D300, D300s, and D700, this robust grip accepts multiple battery options including an EN-EL3e lithium-ion battery, eight AA batteries via the included MS-D10 holder, or an EN-EL4/EN-EL4a battery with the optional BL-3 Battery Chamber Cover. The magnesium alloy construction with dust and moisture sealing ensures durability in demanding conditions, while dedicated vertical controls--including a secondary shutter release, AF-ON button, and dual command dials--provide intuitive operation when shooting in portrait orientation. Whether you need extended battery life or improved handling with larger lenses, the MB-D10 delivers professional-grade performance and stability.