TANK007 E07 OSRAM LED 1AA
(Review first posted on OCT 11th 2009)

http://www.dealextreme.com/details.dx/sku.24125
http://kaidomain.com/ProductDetails.aspx?ProductId=9837

 

Throw @ 1m = TBA lux @ 1.4v NiMh
New Lightbox2 = 120 lux @ 1.4v NiMh

 

Size Measurements: (using digital caliper)

Length - 85mm (3.35inch)

Diameter - 17.2mm (0.67inch) (Head portion which is slighly bigger than body)

Dimeter of keychain loop - 2.70mm (0.106inch)


Initial Impressions
- When I first got it in my hands, a smile just appeared on my face as I could sense this was an awesome buy!

 

Build Quality
- Nice deep diamond knurlings. Very grippy. Not as rough as Nitecore D10 but still grippier than most due to deeper cuts.
- I just feel quality everywhere. The tail twisty switch is just that. Just a switch. Doesn't unscrew off by default.
- The front pill unscrews off to reveal the brass pill and the driver is no where to be seen. No soldering marks / bad anodizing.

- As seen by the photos, there is a reverse polarity protection for the battery orientation on the pill by an indented positive contact.

- I have not yet been able to open the head to reveal the emitter/driver/reflector. Seems either glued or just very tight. Will try again soon.
- Smooth aluminium reflector and a perfectly centered OSRAM Golden Dragon family emitter. (not sure the exact bin)
- Black HAIII hard anodizing. Quality is superb. Machining is also superb. It's very surprising how good it is for what it costs.

- It's really light. Only 29grams (1.02oz) according to my scale without battery. (AKORay K-106 is 44.6grams without batt)

 

Lght Output
- Due to the smooth reflector, it doesn't have the nicest blended beam but to some, this is a plus as it has decent throw!
- The hotspot is quite well defined and perfectly round. Firing it at a wall 10m away,. I can still see a clear round hotspot.
- It's not the brightest light but this is a good thing as it has a nice runtime due to this. It's still plenty bright as AA EDC.

- I could still light up treetops 30m+ away at night. It could easily light up my kid 10m away very brightly. Not bad!
- The tint on my sample is on the warm side. Well, more neutral. Very nice. But can't say all will come with this tint.
- Very flat output nearly all the way through then down to 50% after around 100 minutes. Sinilar to AKOray K-106. 

- Even after 140 minutes, the light output was still about 5 lumens or so. So it's useable even then to a certain degree.

 

In Use
- Unscrew the head, pop the battery in and screw back the head pill tight.
- Now just turn the light on and off using the twisty switch on the tail.
- The tail switch has about a half-turn lock to lock. It can be locked quite tightly.
- One bad thing I guess is that you really need 2 hands to turn it on and off this way using the tail switch.
- However, if you had keyring and keys etc attached to it. Then that act as as an anchor for single-handed switching.
- (grabbing the keys in your palm and then just rotate the body of the flash to rotate the tail that's stationary)

- Or you can simply use the head to turn it on and off. Once the thread is lubricated, it's easy to use single-handed.
- It has a small lanyard/keyring loop coming out the side. Looks a bit odd but I think it's a useful design.
- Due to it not sticking out the end, it allows the flashlight to tail stand perfectly flat.
- The loop hole is quite large so even thicker lanyard or small metal chains / keyrings may fit through.
- Technically, you can leave the tail switch to "on" side and loosen/tighten the head as a switch.
- This allows you to use your index/thumb finger to turn it on/off single handed.

 

Conclusion ★★★★★★
- I've been using it for the past week now. Been in my pocket most of the time. I love it.
- For what it costs, it will be very hard to find a smaller / nicer and well made AA flashlight.
- Been a while since I gave full 6 star rating on a flashlight and this one is worth every star. =)

 

Last Rant:
- Dunno if it's just me but I just think this light is a gem among so many flashlights.
- Only around US$14 shipped and has all the great traits to be a good pocket EDC.
- Would love it even more if it was a Low/High 2-mode light but 1 mode is perfectly fine.
- Anyways, I really like it. Especially after seeing so many usual lights, this is unique indeed for such cheap price.
- If it was sold with a different premium brand name, I reckon it can be sold for $30+ and no-one will complain still.

- Oh. I haven't tried it with a 14500 and I don't want to rist it by trying. =P

 

Photos:

 

- Comes in a TANK007 color printed box. Considering most budget flashlights come in a plain white box or plastic bag, this is worth mentioning.

- This means that it is even better as a gift as it looks less dodgy and looks more retail-ready. It has a sticker saying E07 at top. (hidden in this pic)

14449799.jpg

 

1 - Comparison in size to 18650 and AA NiMh battery.

28178610.jpg

2 - Positive contact on the head pill. Can see the passive reverse polarity protection here by the way of indented center.
23353482.jpg

3 - Head portion from the side. I will try to see if I can unscrew/pull apart the brass portion and the b;ack front portion.
21316685.jpg

4. Looking into the front where you can see a smooth reflector and a tiny OSRAM Golden Dragon family emitter. Glass lense is in-front also.
20991679.jpg

5. Tail portion where it acts as a twisty switch. This is when it's unscrewed / off. Notice also the keyring loop sticking out.
74475663.jpg

6. This is when it's turned on / screwed in.
57014552.jpg

7. Weight without battery using my own little digital scale.
weight1.jpg

8. Weight with AA NiMh.
weight2o.jpg
Beam Shots:

- New Kitchen Shot (all my photos are taken with identical exposure settings (F2.8, ISO 800, 1/25) so they can all be compared to each other)

kitchen.jpg

 

Runtime Graph

- I've tested with 2 Recyko LSD AA NiMh batteries to make sure below runtime is correct.

runtimee.jpg

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등록일 :
2009.10.11
13:32:07 (*.185.55.9)
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id: jaykijayki

2009.10.18
12:51:25
(*.185.55.9)
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EXTRA COMMENTS:

- Many have asked if this light is better than the AKOray K-106 or K-103 that I also reviewed here. So here's my comparison thoughts.

 

77478103.jpg

 

AKOray K-106

- Well, E07 is targeted for a different use. It's one of the smallest AA lights. Much smaller in every way than the K-106.

- E07 doesn't have any modes. Just 1. On/Off. AKOray can be customized to act like a 1 mode light and is more versatile.

- E07 however has a near fail-proof twisty switch. It's mechanical twist to touch or not touch. Nothing much to go wrong.

- It can be attached to the key ring. K-106 cannot unless you somehow mod it or attach the side clip to your keychain.

- Get E07 if you want super small AA light to attach to your keyring. Get AKOray K-106 if you want more features and don't care about size.

 

AKOray K-103 AAA

- This is more of a competitor to the E07. Same 1 mode, K-103 has a protruting forward clicky however which is very easy to use.

- K-103 has a much cleaner beam battern. Especially the spill portion. But it isn't as bright and has less bright hotspot/throw than E07.

- K-103 has a side clip. K-103 has about half the runtime while being dimmer. K-103 is thinner but longer than K03 in size.

- It's a tough choice. Get K-103 if you want something thin with a side clip and a forward clicky. Get E07 if you want a brighter keychain light.

 

After using it for a while, I still have no doubt when it comes to its rating I gave. I really like this light for what it is and how much it costs.

vectrex

2009.10.21
00:04:01
(*.63.83.213)

 Hi Jayki,
can you give us a side by side beamshot of the two Akorays and the Tank007?

jrss13

2009.11.06
12:58:17
(*.198.14.114)
Have you done any testing using a 14500 in this light?  A few weeks ago I ordered 3 of these E07's based on your review.  They came in the mail today, and I put brand new Duraloops in all 3.  I noticed that 2 of them have a warm color, while the 3rd has more of a cool color.  I am used to cooler tints, so the cooler one looks brighter to me, but it could be just because that is what I am used to.  Anyways, I am wondering if you have tried using a 14500 in this yet, and if you have done any more light output testing with the AA NiMh?

Don

2009.11.07
04:08:58
(*.143.128.181)
The DX page says 1.5V max. I'd be inclined to believe that - might be tempted to try a lithium AA at 1.7V but not about to burn the driver with a 4.2V 14500. The KD page says 1.2.-1.5V input and 1.9-2A to the LED.

Mark

2009.11.07
18:26:21
(*.79.30.249)
According this thread http://www.candlepowerforums.com/vb/showthread.php?t=245277 it can be run on 14500 but if the light is turning blue that means it's being overdriven.

Don

2009.11.07
18:47:16
(*.143.128.181)
Tried a 14500 in it - the grey Trustfire protected ones I have are too short to make contact, but an older, blue, Trustfire which is quite a bit longer went in. In fact it is too long to let the head screw down fully. The light was a bit over twice as bright - can't be more exact than that as on my photographic meter it went off the top of the scale. But i rather like the light and don't fancy burning the LED or driver so mine is sticking with NiMH.

id: jaykijayki

2009.11.08
14:01:06
(*.185.55.9)
profile

Hmm. Yeah. I'm not sure if I am also game enough to try the 14500.

My guess is that it goes into direct drive at such high inpu voltage.

 

vectrex - I will try to take the photos when I can. Will upload it when done. =)

Don

2010.01.12
02:44:33
(*.157.20.81)

 Did you ever get the head apart? Mine has stopped working and I miss the almost un-noticeable size in my pocket - currently have a Uniquefire S10 in there and it's annoying me. So looking for tips on tearing the head apart to see if ti can be fixed.

id: jaykijayki

2010.01.12
16:47:22
(*.185.55.9)
profile
I'm sorry to hear that it's not working... Are you sure it's the head and not the tail issue? (gues syou can simply check via multimeter for resistance) I haven't tried getting it apart yet. I'll see if I can try it soon. Need to find my pipe grabbing tool so I can wrap it around the front and see if I can rotate the brass pill off it. Definitely not possible by bare hands it seems. (Just tried and ouch...)

Don

2010.01.12
19:02:18
(*.41.109.57)
I've separated the brass pill from the reflector. It was glued on and took a vice and quite a lot of force to shift it. Now trying to get the brass pill apart. A watch opening tool came in handy for unscrewing the bezel/reflector.

jc

2010.01.18
04:20:03
(*.136.200.141)

Don, pictures please.

Don

2010.01.18
06:46:46
(*.157.20.81)

I would but my camera's hopeless at closeups. Will try to borrow colleague's camera tomorrow. Once you've got the reflector off, the pill merely sits inside the brass housing. After resoldering an iffy joint it is working.

Don

2010.01.18
09:32:11
(*.157.20.81)

Got the last bit of work done for tomorrow so here are some not very good pictures. I broke out the trusty toolkit. These are the basics that go just about everywhere with me.

Thetoolkit.jpg


First, remove the head.

Tank007 E07 Head


I put the head in a vice, gripping only the black part. It is a good idea to put something soft between the vice jaws and the head so it doesn't scar the anodising. I didn't bother. Make sure the two holes in the tail are facing up, The stretching of the brass round those holes shows the force i used to get the thing apart.

2notetheholes.jpg


Insert suitable object into holes - a watch opening tool or circlip pliers work well. You are going to have to apply quite a lot of force as the threads are glued to keep the black part on. Don't use any tool that you care about bending. Circlip pliers are cheap and the heads are more or less consumable items anyway....


Glue on threads. You can just see it past the front O ring.

IMG_2030.jpg


The black part will unscrew. Do not unscrew it all the way though. Take it out of the vice and hold it black side up and unscrew it by hand. That way you won't be looking for components on the floor afterwards. How do I know this?


Put the reflector face down inside the head - keeps it clean.

3Thepillinthecentrecannowbeliftedou.jpg


The brass pill inside is separate and can be lifted out. I used my trusty haemostats. These are easy enough to find nowadays as locking clamps or something like that. In the UK Maplin sell them for not a lot.

5Iusedahaemostattoliftoutthepill.jpg


4bliftingoutthepill.jpg


There are two springs inside - one connects the positive of the pill to the base of the head, the other sits loose at the bottom and is held in place by the reflector pushing down the pill. Seems an odd system, but it works. Don't lose the circular spring, it won't work without it.

4DoNOTlosethespring.jpg


The fault on mine was that the solder joint on the negative side needed reworking. This picture was a failed attempt to show this.

6thesolderjointonthenegativesidenee.jpg


Then reassemble

IMG_2030.jpg


And here's what it ought to look like when you are done.

Thisiswhatitoughttolooklikewhendone.jpg


It now works just fine and is very welcome back in my pocket where it ought to be.


Hope I got the pics right this time Jay.

Hrvoje

2010.02.06
03:11:52
(*.164.255.98)

My e07 finally arrived few days ago, almost 2 months after i placed an order at DX. Of course, first thing I done is to completely disassemble the flashlight and see if I can somehow improve something. I noticed that the battery rattle around a bit. Inside diameter of the body is about 14.6 mm, and the diameter of the battery is some 14.2 mm.  So I cut a piece of thin aluminium foil (thickness 0.1  mm) and wrap it around the battery to form cylindrical shape. This cylinder is inserted into body. After that, there is virtually no rattling at all! I didn't try, but I guess a similar effect could be obtained with paper insert too.


Hrvoje


http://img686.imageshack.us/img686/5875/insert1.jpg

http://img691.imageshack.us/img691/7392/insert2.jpg

http://img691.imageshack.us/img691/4816/insert.jpg

http://img40.imageshack.us/img40/5552/insert3w.jpg



Don

2010.02.06
03:37:36
(*.157.20.81)

That's a very neat bit of cutting - wish I could do it so neatly.

Hrvoje

2010.02.07
02:36:30
(*.164.253.73)

Just ordered this lens from KD. Description is slightly confusing, but I guess this is normal AR coated glass lens. Will see.


http://www.kaidomain.com/ProductDetails.aspx?ProductId=1768


Don

2010.02.07
02:46:06
(*.157.20.81)

I'll be interested to hear about the result when you get it.

Hrvoje

2010.02.07
05:08:48
(*.164.253.73)

Of course, Don. Now, I discovered the hard way what is inside the tail cap :)


http://img36.imageshack.us/img36/3154/eo7tailcap.jpg

Don

2010.02.07
05:19:13
(*.157.20.81)

Ouch! However, it looks like any old spring washer of the right diameter ought to do the trick. Fortunately neither of mine have tailcap issues, one of them needed some reworking of a solder joint in the head as you can see above. Currently, if i have only one light on me (which is unusual), it will be one of these.

id: jaykijayki

2010.02.07
10:38:59
(*.185.55.9)
profile

Wow. Some great information. Awesome pics Don as always. (Sorry to Hrvoje for finding it the hard way...)

 

Hrvoje

2010.03.05
03:14:34
(*.164.230.219)

The lens from KD came today, and an AR coating is very nice. This lens is slightly thicker then the original one (1.4 mm vs. 1.1 mm), so there is a small gap between the bezel and the body, otherwise the fit is perfect. My lux meter is on the way, so I can't compare the output before and after, but AR coating add a touch of class indeed :)


http://img13.imageshack.us/img13/7483/eo7gap.jpg

http://img9.imageshack.us/img9/5161/arcoating.jpg


Hrvoje

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