The Multi-Power Battery Pack MB-11 supports two types of batteries
[Rechargeable Li-ion Battery EN-EL15 and six R6/AA-size batteries (alkaline,
Ni-MH, lithium)], and seamless switching of power feeding between the battery of
the D7000 and the battery pack is possible. Up to approximately 2,100 shots can be
achieved when the EN-EL15 is loaded on both the D7000 and the MB-D11.
The Multi-Power Battery Pack MB-D11 incorporates controls for vertical
shooting; AE-L/AF-L button, main/sub command dials, shutter-release button,
shutter-release button lock, multi selector. Magnesium alloy is used for the
exterior cover to realize the same weather-resistant and dust-prevention
performance as the D7000.