MB-D10 Multi-Power Battery Pack for D300/D700 Includes: MS-D10EN for use with EN-EL3e battery (sold separately) and MS-D10 for use with 8 AA batteries (not included; accepts 1.5 V LR-6 (Alkaline), Lithium (FR6), Ni-MH (HR6) or Ni-Mn (ZR6)) Can use EN-EL4/EN-EL4A (sold separately) with optional BL-3 Battery Chamber Cover