Question 1

What is the run time at 100% from a pair of fully charged NPF-970 batteries?

Accepted Answer

This light supposedly has a power consumption of 45 watts at 15 volts. This equals 3 amps. The NFL 970  batteries have a 6300 M AH capacity each. Using 2 batteries that equates to 12.6 AH (Amperes - Hours)
Therefore 12.6 AH divided by 3 Amps is 4.2 hours. This is a theoretical maximum. I would reduce this by half because of many factors that affect battery capacity. As a licensed Electrical Engineer my estimate is 2 hours max.  For additional buffer I'd recommend a 1 to 1.5 hour assumption.

Question 2

Which is the compatible soft box?

Accepted Answer

I have never seen a softbox for this panel. I have only seen softboxes for the smaller panels, and the final "big end" is about the same dimensions as this panel. From my experience with lighting, these panels work best when kept close to the subject because they are not as bright as big AC powered fluorescent lights. The light drops off pretty fast when they are backed away from a subject for a wide shot.

Question 3

If connected to a switched wall outlet, could the light turn on with the wall switch, or would it need to be manually powered on every time?

Accepted Answer

Just test: As long as it's on the right mode (power switch on the light clicked to the right), it remembers its last setting. That is, if you turn it off with your remote before you turn off your switch, it will not power on. If it was on when you turned the switch off, it will turn back on with the switch. Hope that makes sense!

Question 4

Hello, it works with voltage 220?

Accepted Answer

The specifications showing on the Neewer website state that the AC adapter works on 110-240V, 50-60Hz., and draws 1.6A.

ASIN	B08D6HMGTR
Audio Recording	No
Best Sellers Rank	#15 in On-Camera Video Lights
Brand	NEEWER
Built-In Media	1 x NL-288ARC LED panel light
Compatible Devices	2.4G remote control, Sony NP-F550 / NP-F970 Li-ion batteries
Connectivity Technology	Bluetooth
Customer Reviews	4.5 4.5 out of 5 stars (326)
Flash Modes Description	Constant illumination, adjustable brightness, adjustable color temperature
Global Trade Identification Number	00191073067714
Hardware Interface	Unknown
Has Self-Timer	No
Item Dimensions L x W x H	14.8"L x 10.5"W x 1"H
Manufacturer	NEEWER
Manufacturer Part Number	10097707
Media Type	ProductImage
Model Name	NL-288ARC
Model Number	NL-288ARC Standard
Screen Size	14.8 Inches
UPC	191073067714
Warranty Description	1 Year Manufacturer
Water Resistance Level	Not Water Resistant

NEEWER NL288 LED Video Light with 2.4G Remote Control, 45W 4800Lux 3200K-5600K CRI 97+ Dimmable Bi-Color 18" Soft Panel Light for Photography Youtube Live Stream Game Zoom Meeting

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