Nikon MS-D12EN Rechargeable Battery Holder The MS-D12 is a battery holder for the MB-D12 Multi Power Battery Pack. It is used when you want to power the D810/D800/800E using the Nikon EN-EL15 Rechargeable Li-ion battery.
Nikon MS-D14EN Rechargeable Battery Holder The MS-D14EN is a replacement Li-ion battery holder for the MB-D14 Multi-Power Battery Pack, utilizing rechargeable EN-EL15 Li-ion batteries.
Nikon Rechargeable Li-ion Battery EN-EL15c Compact rechargeable lithium-ion battery with high capacity for long operating life. This battery is compatible with any Nikon camera that supports EN-EL15-type batteries. It can be charged in-camera when used with a Nikon camera that supports in-camera battery charging.