The V850N for Nikon follow on from the original, and ground breaking Remote Manual V850, and later Canon ETTL version V860C.

All of which feature a very unique, and compact 11.1V 2000mAh Lithium-ion battery. Which literally replaces 12 AA batteries, and provides a massive 650 full power pops. With full power recycle time of just 1.5 seconds.

Basically an external battery pack conveniently built into the flash!

V860N Features –

Full Power – GN 58 (m ISO 100)

Lithium-ion Battery – 650 Full Power Pops

1.5 Second Recycle at Full Power

HSS to 1/8000th

I-TTL Auto Exposure for Nikon DSLRs

Master and Slave Modes for Nikon Optic Wireless system

Manual, Multi, S1 & S2 Optic Slave Modes

24-105mm Auto and Manual Flash Zoom

AF Assist Light

High Build Quality

USB Port for Firmware Updates

Full 360 Degree Swivel and Tilt Head

Fast Clear & Simple Interface

Large Clear LCD Screen

2.5mm Sync Port

Metal Foot with Locking Pin

Kit Comes with Battery and Charger

12 Volt Car Charger Available

Remote Manual Radio System with HSS to 1/8000th (with appropriate transmitter unit)

Range to 100M & Very Reliable

Fast Simple Remote Manual Power Control

1/3rd Stop Power Adjustments (1/128 – 1/1)

Plug In Receiver can be Updated

Remote also Compatible with V850, Witstro, & RS600P

Source: http://flashhavoc.com/godox-v860n-for-nikon-now-available/

For more, please access to http://www.godox.com/EN/index.html.