[turboBB]

Shadow's JM07 is an update to the original model that first launched over a year ago when 26650-sized lights were still rather rare. That model was generally well-received by enthusiasts and while the name hasn't changed, the current iteration has received some styling and material updates. Chief amongst these are the upgraded emitter (which gets a bump up to U2 output bin) and the addition of a side-switch:

What may not be as readily obvious is the improvement in overall fit & finish. So how does it fare to the original? Let's find out...


MFG FEATURES & SPECS
MSRP: $64.99USD

- Cree XM-L U2 LED with lifespan of 50,000 hours,Maximum output of 700 lumens.
- Digitally regulated output, maintains constant brightness.
- Low voltage warning flash.
- Reverse polarity protection.
- Tactical forward click switch for on/off operation.
- Ergonomic side switch to enable mode switching; 3 light levels and 1 hidden strobe mode(acquiescence):
High, Medium, Low (Strobe accesed via quick double click).
- Obscure orange peel Aluminum reflector.
- Beam throws over 150 meters.
- Made of durable 6061 aluminum alloy.
- CNC manufactured.
- Stainless steel bezel.
- Toughened ultra-clear glass lens.
- Premium Hard Anodized Type III black finish. Scratch resistant and anti-abrasive.
- IPX-8 waterproof.
- 146mm(Length)x32mm(Body)x43mm(Head).
- 220g weight (batteries not included).
- Powered by Li-ion battery: 1x26650. 2x26650 with optional extended battery tube.
- Test run(Powered by 1x26650,capacity of 3.7V/4000mAh,Kingcell brand in China):
High mode: 1.6 hrs,700lm.
Med. mode: 4.7 hrs.
Low mode: over 35 hrs.
- Versatility of exploration, searching, camping, hunting, cycling, patrol, outworks etc.
- Included accessories: lanyard/spare rubber switch cover/O rings/glass lens/circuit changer.


PACKAGING / CONTENTS
The JM07 arrived in a generic cardboard box:


Accessories included are:
lanyard*/spare rubber switch cover*/O-rings/glass lens/extension tube

* not provided for review


CONDENSED VIDEO SUMMARY
Here is a complete video summary of the JM07 while while I work on fleshing out this review:

Прямая ссылка на видео YouTube

SIZE / HANDLING
vs. other 1x26650-sized lights:

L to R: Shadow SL3 | Shadow JM26| Shadow JM07-Pro | Shadow JM07 | Elektro Lumens Big Bruiser

vs. 1x18650 lights

L to R: RediLast 3400 | Shadow GF1 (w/18650 tube) | Shadow TC350 | XTAR TZ20 | Shadow JM07 | ThruNite TN11S | Crelant V9-T6 | Niwalker 600N1 | NITECORE P25

w/ext. tube vs. 2x18650 lights:

L to R: Niteye Eye 25 | Klarus XT20 | Shadow JM07 (w/ext. tube) | Lighten7 MAX L2A | SureFire M3LT | Shadow TC500 | Sunwayman T40CS | Crelant 7G5CS


RUNTIME & OUTPUT
The relevant battery stats are provided above each runtime graph along with:
- Voltage of the battery at the start and end of the test
- Current draw
- Actual runtime using ANSI FL1 (first in HR and then in M so for the KK, read this as 3.8hrs or 225min)
- Lumens measured on my PVC LMD @ 30 seconds
- Also for Turbo, captured the temperature: ambient, the head/fins at start and the max it reached (fan was used for all bats)


Max output measured @ 30 seconds was 787lms w/a KK (note: although I calibrate my PVC LMD before each runtime/lumens testing, the ambient temp will also cause deviations in readings).

The JM07 features an mild decline after turn-on and will step-down ~225lms shortly after 10 minutes regardless of cell used which leads me to believe this is timed. It'll then continue to run unregulated until output can no longer be maintained at which point it'll nose dive to a few lumens and the low-voltage warning kicks-in. The cells should be replaced immediately at this point as they are already severely depleted (~3v for all tested cells except for RL3400 which was at 3.2v). Per the chart above, it exhibits what looks to be PWM'ish flicker after the step down but my eyes don't notice it, however, a very faint buzzing noise can be heard w/the light right against my ear.

Here in order for each cell are measurements for:
* step-down; time + avg lms in first minute thereafter
* medium; average lms in first minute + current draw and calculated runtime
* low; average lms in first minute + current draw and calculated runtime
[chart]


MORE TO COME...


JM07 GALLERY


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JM07 provided by sbflashlights.com for review.