The Nikon UC E15 USB Cable is for connecting your Nikon 1 J1, D4 or D600 camera to a computer or laptop for data download.
The MS D14EN is a spare or replacement Li ion battery holder for the MB D14 battery pack, as used on the Nikon D600 camera. It is only compatible with rechargeable EN EL15 Li ion batteries.
The Nikon EN EL14a Battery Pack for Nikon P7000, P7100, P7700, D3100, D3200, D3500, D5100, D5300, D5600 and Df cameras is a rechargeable lithium ion battery with a high capacity for long operating life.
