Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week
- Very good build quality. - All 5 LEDs are _really_ connected in serial. - Internal switched step-up DC-DC convertor. - Extensible chasis tube so the flashlight can be used with either 2x or 3x 18650 batteries. - Quite good LED heatsink. - Price.
- Mode switching. I personally don't like it since mode can be switched accidentally. - Result current of 0.6A through LEDs (instead of 1A).
I've disassembled the flashlight and confirm these photos (made by other user): http://www.dealextreme.com/customerphotos/quarantined/201104/57380-2d5c249d-3b0d-4b6c-aa43-38929da6c2f6.jpg http://www.dealextreme.com/customerphotos/quarantined/201104/57380-b5c874bb-705a-4130-9392-fddb7d174ccb.jpg I've measured the result current (through LEDs) and it's 0.6A in max brightness mode (instead of 1A). So, the flashlight doesn't produce declared 1200 lumens, but it's still very bright. I don't think that it's a total con since the flashlight (I repeat) is still very bright whereas it helps to prolong LEDs' total life and battery energy.
I think this is really good flashlight - it has perfect price and it is very bright. It's possible to light up the entire room with it in a dark time (because it also emits side light). Also it produces very good light beam in the center that is capable to light up objects up to 30-50 meters away and is very noticeable even on objects at 100m distance. I'd recommend it to everybody who needs extremely bright flashlight for a great price. p.s. Don't forget to buy good batteries :)
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