Nikon 27186 Original Camera Lithium-Ion Battery, Black Acoustic Magic you can use the UltraLite-mk4

you can use the UltraLite-mk4 as a standalone digital mixer

setting the perfect amount of ambient/surrounding noise

Featuring four 7200 RPM

and the whole tent can quickly collapse and be packed into the included carry bag for travel or storage

independent 1/4" TRS headphone outputs

Nikon 27186 Original Camera Lithium-Ion Battery, Black Acoustic Magic you can use the UltraLite-mk4The EN EL18b Rechargeable Lithium Ion Battery is compatible with the Nikon D4, D4S, and D5 DSLR cameras. It serves as a spare or replacement for the original battery supplied with the cameras. The EN EL18b features 10. 8V of output power, a 2500mAh capacity, and a 27Wh energy consumption rate. Lithium ion cells can be charged or discharged at any time without developing the memory effect.