*Pictures* Jetbeam DDR26 (1*18650, XM-L2, rechargeable, 1000lm)

gopajti

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Apr 12, 2008
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Hello guys, Jetbeam DDR26 arrived (from lanternetactice.ro). Here is my impressions, pictures, beamshots

infos from official site

DDR26, a rechargeable digital display flashlight, is the world's first LED flashlight with digital display of the brightness and the remaining power level. It is under the patent protection of JETBeam's unique digital display design. With the display function, the users can see the mode and remaining power clearly at any time. DDR26 can be charged directly. It offers three brightness levels and one strobe mode with an easy operation regulation of side control switch. It adopts the latest American Cree XM-L2 LED, max 1000 lumens, 70 hours run time. DDR26 extended the classic of RRT2 and became another miracle "rechargeable digital display flashlight of 1000 lumens"

1. Light source: Cree XM-L2 LED
2. Battery: 1*18650 (rechargeable) / 2*CR123 (non-rechargeable)
3. Output & Runtime: 1000lm (2h), 200lm (15h), 15lm (70h) strobe (1000lm)
- Beam distance: 280m
- Intensity: 12500cd
- Waterproof: IPX-8
4. Output regulation: Side switch
5. Circuit design: Constant current circuit, constant brightness.
6 Working voltage: 3 - 6V
7. Waterproof: Certificated to the IPX-8
8. Body: Stainless steel and aerospace aluminum
9. Dimension: 144 mm (L ) x 38 mm(D), weight: 144 gram (without battery)

http://www.jetbeamlight.com/ShowProducts.asp?ID=42

**UPDATED SPECS** confirmed by Jetbeam

Peak Beam Intensity: 10276cd (max. 230m)
Medium mode runtime: 200lm (8h)


My impressions


Pros
+ top build quality
+ perfect scratch free anodizing, nice color
+ smooth, good lubricated threads, o-rings are perfect condition
+ absolutely dust free, clean reflector and lens
+ perfectly centered led
+ long batteries fit perfect (eg. XTAR 18700) and you can use unprotected/flat-top cells
+ unprotected battery doesn't rattle
+ the best looking cool white tint what I have seen, better than my other lights (no blueish spill)
+ the side switch is better (better feeling) than SWM, Spark, Olight, Rofis, Nitecore switches, with excellent reaction time
+ the digital display is the most useful feature what I have seen, especially when I use unprotected battery, very helpful
+ rechargeable (USB) (cable length ~99cm)
+ no visible pwm or other irritating flickering, all modes are perfect!
+ no buzzing/humming sound
+ tail-stand capable
+ simple but nice packaging

Cons
- nothing significant (no holster, no charging port cover)

Other

The high output for DDR26 will not always be 1000 lumens,in order to protect LED, the output will automatically be reduced to 500 lumens after 4min 30 s at 1000 lumens, then will be 350 lumens after 16 minutes at 500 lumens, finally it will keep at 350 lumens.


My results

high mode total runtime (continuously): Start voltage: 4.18V, runtime 3h 7m 12s, end voltage: 3.21V (after few minutes 3.27V)
high mode (only "1000lm" without step down):
Start voltage: 4.18V, runtime 2h 2m 21s, end voltage: 3.21V
medium mode, total runtime:
Start voltage: 4.18V, runtime 9h 39m 10s , end voltage: 3.18V

Charging time: 7h 48m, 3.27V -> 4.18V
XTAR WP2 II (1000mA) charging time: 5h, 3.25V -> 4.19V

I used brand new unprotected Panasonic NCR18650B, 3400mAh battery.

More details coming soon


I have many 1*18650 flashlight but, the DDR26 is the one of the best 1*18650 flashlight for me at now. The digital display is much better than simple battery indicator or similar solution. Always show the charge level when the flashlight is on. I highly recommend this flashlight.

more pictures, other impressions (charge function, real runtime chart with brand new 3400mAh battery) coming soon

click images for higher res





































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Last edited:

gopajti

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Apr 12, 2008
Messages
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SCD

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Sep 18, 2007
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gopajti,
While I may not always be interested in every light you post up....your descriptions, product pictures and comparison pictures are invaluable! Thank you for your time.
 

gopajti

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Apr 12, 2008
Messages
1,379
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Thank you guys!


Charging stopped 4.18V, I tried with Samsung ICR18650-30A battery.
Low voltage warning: when the display showed "0" the battery voltage is 3.29V (few minutes later 3.46V) I tried with Sanyo UR18650FM 2600mAh.
 

kj2

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May 22, 2010
Messages
8,082
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The Netherlands
2ldip9l.jpg


Seems the specs are updated from; Peak Beam Intensity: 10276cd (max. 230m) to 12500cd and max 280meters.
 

gopajti

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kj, the original specs 12500cd/280m is not correct.

Jetbeam updated the peak beam intensity and max distance few days ago, 10276cd/230m

btw DDR26 use XM-L2 U2 bin
 
Last edited:

Patriot

Flashaholic
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Feb 13, 2007
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11,254
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Arizona
Wow! Smaller than I had anticipated! This is a jetbeam that I'm excited about, although I've always respected their lights.

Thanks for the awesome review buddy!
 

xthatguymikex

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Jan 26, 2013
Messages
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If I buy just this light and two 18650 batteries, should that suffice as my first flashlight? I won't get another seperate charger, but instead just use the light as the charger, should I be fine? The battery should retain full charges multiple times and what not?
 

gopajti

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first post updated: added high mode (without step down) and medium mode runtime
 

jirik_cz

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Jul 29, 2007
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europe
kj, the original specs 12500cd/280m is not correct.

Jetbeam updated the peak beam intensity and max distance few days ago, 10276cd/230m

The numbers are still not correct. If the intensity is 10276cd then it means 203m beam distance according to ANSI FL 1 standard.
 

LEDAdd1ct

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Jul 4, 2007
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Hudson Valley
Thank you for your review.

I'm waiting for selbuilt's review on the Xtar R30...I'll see how the two compare. :)
 

Bumble

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Dec 1, 2012
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can purchase this light for $70 delivered.. im very tempted. thanks for the info/pics posted :)
 
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