The new Streamlight ProPolymer 4-AA is a tough & durable 4-AA flashlight that features 7 remarkably potent white LEDs instead of a regular bulb that can go "Pow!" when you drop your flashlight. Having a flashlight go out for good when you drop or bang it is damned inconvenient, if not damned dangerous! Having an LED flashlight like this eliminates that particular danger, because LEDs won't blow out like bulbs when you whack 'em.
To use the ProPoly, you'll need to get it out of its package first - I found I had to get a Swiss army knife and slash the package down one side first, upon where I could pull the flashlight and the included 4 AA Energizer alkaline batteries out. Once the batteries are in (see below), the light is comfortable to hold and easy to turn on and off.
To get a shot of light anytime, just push the rubberized tailcap button in a bit with a finger, and let it go to plunge yourself back into darkness. Pushing the button a bit harder allows it to click and the ProPoly stays on by itself - push the button until it clicks again to shut it off.
To change the batteries, unscrew & remove the head, and pull off the LED board & reflector assembly.
Dump out the dead batteries, and install four new ones, following the polarity diagram inside the barrel.
Two of the batteries go in tail first, and the other two go in head first. Then put the LED board/reflector assembly back in the barrel. It only fits in there one way, so it's hard to screw the flashlight up unless you get the batteries in there all wrong.
Finally, screw the rubberized bezel back on, and be done with it.
Batteries are said to last 155 hours, but we'll see about that, won't we?
The Streamlight ProPoly 4-AA seems to be built really tough. Beating it against a steel rod didn't even leave any marks on the flashlight. (Note: Beating your ProPoly against a steel rod might void its lifetime warranty, so don't do it.)
The flashlight has a small hole on the tail for a lanyard to be threaded through, though the lanyard is not included, and I don't have one handy for testing.
The LEDs are inset into a reflector, and protected by an acrylic window in the ProPoly's business end. If this part becomes marred or broken, you'll have to get a whole new bezel assembly, as the lens & rubberized screw-on bezel are a one-piece component.
The tailcap switch could be considered a "clicky", a type of switch that seems to be desireable by many flashlight users.
Although the action seems to be a bit on the light side (meaning it *could* go off in a bag or backpack), I find the action to be rather nice, and it can be turned on with a thumb or forefinger when the light is gripped in the fist with the business end closest to your pinkie.
As soon as I'm able, I'll throw the ProPoly in a sink or fishtank to determine water resistance, but I have no reason to believe it will leak at these depths.
Beam photograph from about 12".
Measured 87,000mcd on a Meterman LM631 light meter.
Spectrographic analysis of the LEDs in this flashlight.
USB2000 spectrometer graciously donated by P.L.
Unit was received in early April 2003, courtesy of William Z. at Texas Tactical, and is in the earliest stages of testing.
Very durable construction
Feels nice in the hand
Good brightness from a 7-banger
LEDs may be run a bit on the hot side - do not use lithiums in it
PRODUCT TYPE: Handheld LED flashlight
LAMP TYPE: White LEDs
No. OF LAMPS: 7
BEAM TYPE: Medium spot with soft fall-off to extinction
SWITCH TYPE: Pushbutton on/off at tail end
CASE MATERIAL: Plastic (possibly nylon)
BEZEL: Plastic; rubber covered Lexan
BATTERY: 4 AA cells
CURRENT CONSUMPTION: Unknown/unable to measure
WATER RESISTANT: Yes
SUBMERSIBLE: Yes, depth not yet known
ACCESSORIES: 4 Energizer AA cells
WARRANTY: Lifetime, excluding abuse & alteration
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