Question 1

Do you have a link for a recommendation on a 3rd cell for this light?

Accepted Answer

Yes we do. But don't think we can post the url here as it is outside of Amazon. But, please allow us to offer some guidance. There are TWO OPTIONS to extend working time on a single charge of the cells. 1) Add third cell using the supplied extension barrel, or 2) Use higher capacity (mAh) 18650 cells, for example 3200mAH cells will give you around 5-6+ hours of working time. HOWEVER, you will see examples which say 9000mAh. The highest known capacities at the time of this writing is near 3400mAh. Anything beyond that should be examined closely as these are often inflated figures. It is better (although not mandatory) to go for good manufacturers such as Panasonic, LG, Sony, Samsung, and the like. Also, a very quick check on any examples you have is to weigh them. If any one cell is below 40 grams in weight then this indicates poor internal cell chemistry. Hope this helps. [uvBeast]

Question 2

What’s the difference between this leds uv and nitchi uv (both 365 nm)?

Accepted Answer

Maybe they are from Nichia. Not many manufacturers of 365 LEDs. Makes no difference though. It's real.

Question 3

Can you check oil leaks in automotive? Engine, transmission fluids etc?

Accepted Answer

Indeed. Although UV reactive dye will need to be used.

Question 4

Can I purchase a clear lens separately if I don’t want to run in 365nm?

Accepted Answer

Hi Nicholas. Thanks for your question. You will always be emitting 365 nanometer wavelength UV even if you fit a clear lens. That's because the LEDs on the V3 365nm emit at 365nm wavelength. If you need a different wavelength then you'll need different LEDs. The only other wavelength LEDs available are at the 385nm and upwards end. Visible light is at around 395nm+. (LEDs also come in the 270nm range btw which is the dangerous UV). Please note that what you can use a 385nm+ UV flashlight for, a 365nm flashlight will also do in the majority of use cases. Hope that helps. [uvBeast]

ASIN	B01CV1XW5K
Additional Features	Portable
Amperage	1000 milliamps
Battery Description	Lithium-Ion
Battery Life	4 hours
Battery Type	Lithium Ion
Best Sellers Rank	#6,171 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #109 in Handheld Flashlights
Brand Name	uvBeast
Color	Metallic Black
Customer Reviews	4.6 4.6 out of 5 stars (3,297)
Finish Types	Black Anodized Aerospace-grade Aluminium
Included Components	UV Flashlight Kit, USB Charging Cable, Power Adapter
Item Dimensions D x W x H	8.66"D x 2.17"W x 0.91"H
Item Highlight	High Definition Ultraviolet, Professional Grade Beam, Commercial Use, USA Stock, Engineered by uvBeast
Item Weight	377 g
Light Output Maximum	900 lumens
Light Path Distance	60 feet
Light Source Special Features	Filtered 365nm UV, High Intensity, Long Range, High Flux Density
Light Source Type	TRIPLE 365nm LED
Light Source Wattage	9 watts
Manufacturer	uvBeast
Manufacturer Part Number	UVB-01
Manufacturer Warranty Description	1 year manufacturer.
Material Type	Aluminum
Model Number	UVB-V3-365
Number of Batteries	3 AA batteries required. (included)
Number of Items	1
Number of Light Sources	3
Number of Packs	1
Power Source	Batteries Included
Recommended Uses For Product	Professional and commercial use
Shape	Cylindrical
Style Name	variant
UPC	784672200646
Unit Count	1 Count
Voltage	3.7 volts
Warranty Type	Manufacturer
Water Resistance Level	Water Resistant
Wattage	9 watts

V3 365nm Black Light UV Flashlight, High Power, Long Range,

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