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Nitescuba S20 is a high lumen back up dive light and emits a narrow beam at 8° underwater. Each unit of dive light has been test under the pressure cylinder tank at 100m/330ft. For 3 times . To make the quality is reliable.
Take off the sticker
When you received the light, Before you installation, please take off the insulation sticker.
Installation
Install the battery correctly, please put the positive pole as the direction on the photo.
Double o-ring
Before diving, please check if the double O-ring seal is intact.
Blue indicator shows the full power.
Green indicator shows the medium.
Red indicator shows the low power.
Everytime when we launch a dive products we dive it underwater with our friends.
Use the S20 dive light underwater.
The red color of Nitescuba S20 dive light.
hugo maximiliano cornejo
Reviewed in Mexico on July 19, 2024
Me parece que es mucho el tiempo de entrega, pero me gustó el producto, parece funcional
David A.
Reviewed in the United States on March 8, 2024
First S20 light arrived, battery would not charge. I think most likely the charger was at fault. Requested replacement from Amazon. Replacement came very quickly. But, light is advertised to have an SOS mode. Instruction are long press 3 seconds, starting with light off. No SOS on either of the 2 flashlights with 3 second button press. Other than that, seems very bright, need to use at depth though.
R.J.B.
Reviewed in the United States on November 18, 2024
We have 2 of these lights that we have taken on multiple night dives and they do not disappoint. They are very bright and get the job done. I highly recommend especially for the price point.
Eswar Deep
Reviewed in the United States on July 28, 2022
This dive light lasted me a 3 tank dive and did not have any issue. It is -vely buoyant and does not point randomly if not mounted on a holder.Thr only issue I had with it is some cosmetic issue like in the photo. It is me being picky but the light is worth the money and would definitely recommend to anyone.
Ukmc
Reviewed in the United States on June 9, 2022
So I have used Nitescuba s12 on several dives on the last dive trip. S12 is a fantastic backup light, but I wanted something bigger that I can use as a primary light on the night dives but also use to look around in the crevices and darker places. So I ordered S20. It is light (I believe made out of aluminum) but very sturdy. Double o-rings. Feels very good in the hand. I compared it to s12. S12 had a brighter center to begin with but s20 beam penetrated further. After 1.5 of burning on the brightest setting, s12 went out and needed recharge, s20, however, kept on going for 3+ hours on the brightest setting. This is quite remarkable. I can not wait to take out my s20 for the next night dive!!!!UPDATE 10/8/22Have used this light on over 50 dives. No problems. Charge lasts for a long time. Brightness is excellent!
Francesco Orabona
Reviewed in the United States on June 25, 2022
I have bought the S20 as my primary light. It has a very bright light, much more powerful of the S12, also much bigger (see photo) and heavier than the S12. However, it still fits in the pocket of my BCD.Till now I have used it in 4 day dives on and off: it worked perfectly and it still has charge.The only minor issue is that the button is much harder to press than the S12 and it takes a while to get used to it: you really have to press till the end and keep the pressure for a while in order to turn it on and off. Cycling through the intensities is easier. Also, be sure to scrape all the adhesive from the battery, otherwise it won't charge correctly. Overall, I am very happy with my purchase.
Drew
Reviewed in the United States on June 24, 2022
Took it down to 96ft, on an 1hr and 8min dive and it performed flawlessly.8 degree beam angle is perfect for signaling, with just the right amount of spill-over to light up the surrounding area. 2,000 lumens, and it shows. Significantly brighter than my tovatec 1050. Battery life? This light can go forever. It uses a 26650 battery, and after an hour plus long dive still showed "green" on the battery indicator. Very, very happy so far. Wish it came with a case, but that's just me being picky. Will update this review if anything changes.
Boarderguy
Reviewed in the United States on June 24, 2022
Cuts through the dark and murky waters of the PNW. Light weight enough to hook onto my retractor but powerful enough to provide plenty of light as my primary dive light!
sallythetimid
Reviewed in the United States on June 12, 2022
I picked this up as a replacement for my backup light for night dives. My primary light is a big blue light that has wide and narrow beams, which I also use for my camera lighting (I haven't invested in a flash, yet). I'd been using a Princeton Tech League 420 as my backup light. The price of this light is similar to the Princeton Tec, but better in the following ways:1) battery indicator and rechargeable batteries. Do I need to replace the AAs the Princeton Tech uses? Who knows! So I end up wasting tons of batteries, to stay on the safe side.2) Negative buoyancy - If I turn it on and attach it to one of my chest D-rings, it points down, not up and off in a random direction, potentially flashing in the faces of other divers.So far I've only taken this light out for a pair of daytime dives, but kept it on for the entirety of both dives, as well as the surface interval. I tried turning it off between dives, but it did not want to turn off. I was able to get it to switch off after dive 2. The battery indicator was still green at this point in time. It had been on high for both dives (about an hour and a half) and was on low for the surface interval. Part of my problem turning it off was likely that I was wearing thick gloves, and then forgot that I hadn't actually managed to turn it off when I'd taken them off during the interval, until I put my BC back on for the second dive.I also like the color of this beam, which is less pink than the Big Blue light's beam.I'll try to update this review after I've gotten a longer period of use.EDIT in 2024: The first one worked really well - until I managed to lose it while fumbling around going up an anchor line in low vis. It did really well for about a year and around 50 dives, probably. The second one I got apparently didn't have the front end screwed in well (not the battery compartment, the clear screen securing bit), I didn't think to check, and it flooded and died on the first dive. I switched to a different backup light. Not really loving that one, I came back for a third. This one only lasts about 20 minutes on a full charge. Not going to try a fourth.
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