The Nikon EP-5B Power Connector is used in conjuction with the EH-5B AC Adapter allowing you to power a DSLR by simply inserting the power connector into the battery chamber. This applies to Digital SLR cameras that use the EN-EL15 rechargeable battery...
The Nikon MH-66 is an original Nikon spare or replacement battery charger for charging the EN-EL19 rechargeable lithium-Ion batteries.
Nikon MH-23 Quick Charger is a mains battery charger for Nikon EN-EL9 lithium ion batteries. UK plug and cable included.
The Nikon MH-29 Battery Charger is a spare or replacement battery charger for the Nikon EN-EL20a and EN-EL22 batteries.