[Review] NITECORE SRT7 (XM-L2 T6 / 5mm RGB LEDs, 1x 18650 / 2x (R)CR123a)

Thanks for the review. I own the SRT3 and other than being a little bulky, it’s a fantastic product. The fit and finish on my last couple Nitecores is as good as anything I’ve seen. I’m starting to become a Nitecore fanboy.

I picked up a SRT6 to take on vacation last week.Never even used the P60 I brought.Very happy with this light.The variable output control ring really makes this light. :slight_smile:

Impressive light and a beautiful review, thanks for it!

:)

The SRT7 was top on my list of nifty lights I’d like but don’t need… until the CU6 came out.

Variable control rings are interesting, but a little weird to use. I like my JB RRT01, but I can never quite tell how much light it’s actually putting out. I’ve found that I actually prefer to have a fixed set of well-chosen modes instead of continuously-variable brightness with no reference points. Perhaps with some extra (small) detents in the variable range, we could get the best of both worlds?

thanks for the review… but it’ll be nice if it include real life uses such as outdoor beam shots :slight_smile:

+1. You don’t know how much light goes out ad what rutime you can expect. I can compare it to range anxiety in electric cars.

Thanks for your comments guys!

TY for the review. I bought the 7 at the beginning of the month and I’m very impressed with it. I very much like the ring control but unlike you I like that it’s clutter free from any markings to tell how many lumens it is putting out. I do have a few things to add.

1. The tail stand is not very unstable. Then I dropped it from about 3 feet recently and it slightly deformed one end where the lanyard attaches so it wouldn’t tail stand at all. If I put a business card under just that end it will tail stand again. Also I can get it to tail stand if I use the included cigar ring (if that’s what it’s called) on the tail cap.
2. I’ve had intermittent problem with it turning off when it is in the lowest lumens and I move it from a down position to an up position.
3. Mine has a green tint. I also solicited other’s about this on another forum and one other person said they have the green tint but others don’t. I don’t know if this is an wide spread problem or I just happen to get a bad one.

In the end I like it so much I decided to overlook these problems and keep it.

Great review, UPz! Thanks!

Yeah… I got me an SRT6 as well. I like it a lot, especially the colour. I like anything in gun-metal grey :bigsmile:

I didn’t get the SRT7 as I don’t need the coloured lights. Apart from that they’re very similar

The SRT6 is very goodlooking too! love the color, it is a real pity Nitecore didn’t offer cigar ring grips in the same color.

I have the SRT7 and I’m unable to find anything about the low voltage light blinking rate. I know that it can blink about once every five seconds and as the voltage drops I’ve seen it blink at more than once per second. Does anyone know what voltage triggers the once per five seconds blinking rate? How about the other blinking rate? If not then I’ll measure it on mine and post.

They’re quite similar indeed but still SRT7 has noticeably better throw. It’s also bulkier though. It’s a simple choice - size or throw and colours.

Aside from size, the SRT6 has a crenelated bezel, the srt7 a flat one.

The SRT6 has an SOS mode, whereas the SRT7 has a beacon mode.

The difference in length is really negligible ~.5cm.

The difference in width, of the head is ~.6cm, but that difference is felt quite a bit if you're pocket carrying the light. The battery tubes, and tailcaps are identical, and interchangeable. The difference is really all in the head.

For my money, stock, the SRT3 is the best light of this series, that said, I have them all, and really like them all. Between the SRT6, and SRT7, the SRT7 is the winner though.

[quote=ACruceSalus] I have the SRT7 and I'm unable to find anything about the low voltage light blinking rate. I know that it can blink about once every five seconds and as the voltage drops I've seen it blink at more than once per second. Does anyone know what voltage triggers the once per five seconds blinking rate? How about the other blinking rate? If not then I'll measure it on mine and post. [/quote]

Never figured that part out either

Got myself one for Christmas, have bashed it and smashed it (mostly just showing it off to friends) and it doesn't miss a beat. Love the fact that I can dim it, which avoids pissing off the missus when I get up at night to have a tinkle.

Awesome review. Thank you for taking your time to do this for all of us. :smiley:

From a few observations if the flashlight is on turbo and the low voltage LED is blinking once every 5 seconds then its depleted to about 3.62 volts. When it’s on turbo and frantically blinking (more than once a second) then the cell is about 3.25 volts.

I saw a chart that states that 3.6 volts has about 5% remaining when drawing 1 amp. It also said that to increase the cell life then the cell should be depleted to about 50% and then recharged. This would be between 3.8 and 3.9 volts. So since I want to maximize the battery life and I don’t run it on turbo most of the time then I view this low voltage LED more as a rough already depleted voltage measure.

When in turbo, the cell is hard driven to 3Amps (or more), so it is normal that the driver on the SRT7 detects “low voltage” earlier. 3.25V under load, can be translated to 3.6V under no load. If you dial down the output, the low voltage signal will stop.

Same happens with the P25.

That makes sense. Nice website UPz.

Thank you!