The MB-D14 Multi-Power Battery Pack can be powered either by six AA batteries (Alkaline or Ni-MH or Lithium), or EN-EL 15 rechargeable Li-ion batteries. To use the MB-D14 with AA batteries, use the MS-D14 AA Battery Holder. When using EN-EL15 batteries to power the MB-D14, use the MS-D14EN Battery Holder.
